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55. Contributors

Author

Arim, Matías, primary, Belgrano, Andrea, additional, Berazategui, Mauro, additional, Berg, Sofia, additional, Bista, Iliana, additional, Borthagaray, Ana Inés, additional, Brey, Thomas, additional, Claudet, Joachim, additional, Creer, Simon, additional, Dell, Anthony I., additional, Demars, Benoit O.L., additional, Eklöf, Anna, additional, Falciani, Francesco, additional, Fisher, Jonathan A.D., additional, Fowler, Charles W., additional, Frank, Kenneth T., additional, Fryxell, David C., additional, Gray, Clare, additional, Jacob, Ute, additional, Jonsson, Tomas, additional, Leenhardt, Pierre, additional, Low, Natalie, additional, Messinger, Susanna M., additional, Micheli, Fiorenza, additional, Mintenbeck, Katja, additional, Möllmann, Christian, additional, Monteith, Don T., additional, Mora, Camilo, additional, Morissette, Lyne, additional, Palkovacs, Eric P., additional, Pascal, Nicolas, additional, Pawar, Samraat, additional, Perkins, Daniel M., additional, Petchey, Owen, additional, Pinelli, Verónica, additional, Post, David M., additional, Raffaelli, David, additional, Rau, Andrea, additional, Rodríguez-Tricot, Lucía, additional, Savage, Van M., additional, Sun, Xiaoliang, additional, Turley, Nash E., additional, Vasseur, David A., additional, and Woodward, Guy, additional

Published
2015
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56. Animal legacies lost and found in river ecosystems

Author

Frauendorf, Therese C, primary, Subalusky, Amanda L, additional, Dutton, Christopher L, additional, Hamilton, Stephen K, additional, Masese, Frank O, additional, Rosi, Emma J, additional, Singer, Gabriel A, additional, and Post, David M, additional

Published
2021
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62. Nutrient loading by anadromous alewife (Alosa pseudoharengus): contemporary patterns and predictions for restoration efforts

Author

West, Derek C., Walters, Annika W., Gephard, Stephen, and Post, David M.

Subjects
Lakes -- Environmental aspects -- Health aspects -- Methods, Coastal zone management -- Methods -- Health aspects -- Environmental aspects
Abstract

Anadromous alewives (Alosa pseudoharengus) have the potential to alter the nutrient budgets of coastal lakes as they migrate into freshwater as adults and to sea as juveniles. Alewife runs are generally a source of nutrients to the freshwater lakes in which they spawn, but juveniles may export more nutrients than adults import in newly restored populations. A healthy run of alewives in Connecticut imports substantial quantities of phosphorus; mortality of alewives contributes 0.68 g [P*fish.sup.-1], while surviving fish add 0.18 g P, 67% of which is excretion. Currently, alewives contribute 23% of the annual phosphorus load to Bride Lake, but this input was much greater historically, with larger runs of bigger fish contributing 2.5 times more phosphorus in the 1960s. A mesocosm experiment in a nearby lake showed that juvenile alewife growth is strongly density dependent, but early survival may be too low for juvenile outmigration to balance adult inputs. In eutrophic systems where nutrients are a concern, managers can limit nutrient loading by capping adult returns at a level where juvenile populations would not be suppressed. Resume: Les gaspareaux (Alosa pseudoharengus) anadromes peuvent potentiellement modifier les bilans de nutriments des lacs cotiers pendant leurs migrations adultes vers les eaux douces et leurs migrations juveniles vers la mer. Les montaisons de gaspareaux sont generalement des sources de nutriments pour les lacs d'eau douce dans lesquels ils fraient, mais, dans les populations nouvellement retablies, les jeunes peuvent exporter plus de nutriments que les adultes n'en importent. Une montaison saine au Connecticut importe des quantites importantes de phosphore; la mortalite des gaspareaux fournit 0,68 g [P*poisson.sup.-1], alors que les poissons survivants apportent 0,18 g P, dont 67% est de l'excretion. Actuellement, les gaspareaux fournissent 23% de la charge annuelle de phosphore du lac Bride, mais cet apport etait beaucoup plus eleve dans le passe lorsque, durant les annees 1960, des montaisons plus importantes de poissons plus grands fournissaient 2,5 fois plus de phosphore. Une experience en mesocosme dans un lac adjacent montre que la croissance des gaspareaux est fortement reliee a la densite, mais que la survie au debut du cycle est peut-etre trop faible pour que l'emigration des jeunes contrebalance les apports des adultes. Dans les systemes eutrophes dans lesquels les gestionnaires se preoccupent des nutriments, ceux-ci peuvent controler la charge de nutriments en limitant les retours d'adultes au niveau necessaire pour que les populations de jeunes ne soient pas reduites. [Traduit par la Redaction], Introduction In coastal watersheds across New England, diadromous fish are regaining access to inland waters from which they have been barred for a century or more. The removal of dams [...]

Published
2010
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63. Anadromous alewives (Alosa pseudoharengus) contribute marine-derived nutrients to coastal stream food webs

Author

Walters, Annika W., Barnes, Rebecca T., and Post, David M.

Subjects
Anadromous fishes -- Nutritional aspects, Water chemistry -- Research, Earth sciences
Abstract

Diadromous fish are an important link between marine and freshwater food webs. Pacific salmon (Oncorhynchus spp.) strongly impact nutrient dynamics in inland waters and anadromous alewife (Aloca pseudoharengus) may play a similar ecological role along the Atlantic coast. The annual spawning migration of anadromous alewife contributes, on average, 1050 g of nitrogen and 120 g of phosphorus to Bride Brook, Connecticut, USA, through excretion and mortality each year. Natural abundance stable isotope analyses indicate that this influx of marine-derived nitrogen is rapidly incorporated into the stream food web. An enriched S15N signal, indicative of a marine origin, is present at all stream trophic levels with the greatest level of enrichment coincident with the timing of the anadromous alewife spawning migration. There was no significant effect of this nutrient influx on water chemistry, leaf decomposition, or periphyton accrual. Dam removal and fish ladder construction will allow anadromous alewife to regain access to historical freshwater spawning habitats, potentially impacting food web dynamics and nutrient cycling in coastal freshwater systems. Les poisons diadromes Etablissent un lien important entre les rEseaux alimentaires marins et ceux d'eau douce. Les saumons du Pacifique (Oncorhynchus spp.) affectent fortement la dynamique des nutriments dans les eaux intErieures et les gaspareaux anadromes (Alosa pseudoharengus) peuvent jouer un role Ecologique similaire le long de la cote de 1'Atlantique. La migration annuelle de fraie des gaspareaux anadromes contribue, en moyenne chaque annEe, 1050 g d'azote et 120 g de phosphore par excrEtion et par mortality a Bride Brook, Connecticut, E.-U. Des analyses de f abundance naturelle des isotopes stables indiquent que cet apport d'azote d'origine marine est rapidement incorporE dans le rEseau alimentaire du tours d'eau. Un signal enrichi de S15N, qui dEnote forigine marine, se retrouve a tous les niveaux trophiques du tours d'eau et les degrEs maximaux d'enrichissement coincident avec le moment de la migration de fraie des gaspareaux anadromes. Il n'y a aucun effet signifcanf de cet apport de nutriments cur la chimie de 1'eau, ni la dEcomposition des feuilles, ni 1'accumulation de pEriphyton. Le retrait des barrages et la construction d'Echelles a poisons permettront aux gaspareaux de retrouver f accEs a leurs habitats de fraie en eau douce du passE, ce qui aura potentiellement un impact cur la dynamique des rEseaux alimentaires et le recyclage des nutriments dans les EcosystEmes cotiers d'eau douce. [Traduit par la Redaction], Introduction Biota can play a central role in regulating the flux of energy and nutrients across ecosystem boundaries (Vanni 2002). One noteworthy example is Pacific salmon (Oncorhynchus spp.) that transport [...]

Published
2009

64. The impact of double-crested cormorant (Phalacrocorax auritus) predation on anadromous alewife (Alosa pseudoharengus) in south-central Connecticut, USA

Author

Dalton, Christopher M., Ellis, David, and Post, David M.

Subjects
Cormorants -- Environmental aspects, Predation (Biology) -- Environmental aspects, Earth sciences
Abstract

The decline of anadromous alewife (Alosa pseudoharengus) threatens an important recreational and commercial fishery. While the cause of this decline is uncertain, predators could be trapping alewives at low abundance by preying on them during spawning migrations. Here we investigate the impact of predation by double-crested cormorants (Phalacrocorax auritus) on spawning adult alewives in south-central Connecticut, USA. We use a bioenergetic model together with estimates of cormorant diets and cormorant and alewife population sizes to estimate the consumption of alewives by cormorants both in Bride Lake, Connecticut, and regionally. We find that cormorants are important predators of spawning adult alewives at Bride Lake but do not have a notable impact on alewife mortality or population size. We also find that cormorants have little effect on alewife populations across south-central Connecticut because few alewives are consumed away from Bride Lake. We conclude that cormorants are important predators for anadromous alewives, but do not pose an immediate threat to the recovery of regional alewife stocks. Le declin de gaspareau anadrome (Alosa pseudoharengus) menace une importante peche sportive et commerciale. Bien que la cause du declin soit incertaine, les predateurs pourraient s'emparer des gaspareaux dans les conditions de basse densite en les capturant durant leur migration de fraie. Nous examinons ici la predation par les cormorans a aigrettes (Phalacrocorax auritus) sur les gaspareaux adultes en fraie dans le centre-sud du Connecticut, E.-U. Un modele bioenergetique combine a des estimations du regime alimentaire des cormorans et des densites des populations de cormorans et de gaspareaux nous a servi a estimer la consommation de gaspareaux par les cormorans a la fois dans le lac Bride, Connecticut, et dans la region avoisinante. Les cormorans sont d'importants predateurs de gaspareaux adultes pendant la fraie au lac Bride, mais ils n'ont que peu d'effet marque sur la mortalite ou la taille de la population de gaspareaux. Les cormorans ont aussi peu d'effet sur les populations de gaspareaux dans tout le centre-sud du Connecticut, parce que peu de gaspareaux y sont consommes sauf au lac Bride. En conclusion, les cormorans sont d'importants predateurs des gaspareaux anadromes, mais ils ne representent pas une menace immediate pour la recuperation des stocks regionaux de gaspareaux. [Traduit par la Redaction], Introduction Anadromous alewife (Alosa pseudoharengus) are of notable ecological, economic, and historical importance in eastern North America. They impact freshwater ecosystems by importing marine-derived nutrients (Durbin et al. 1979; Garman [...]

Published
2009

66. Electronic supplementary material from Hippopotamus are distinct from domestic livestock in their resource subsidies to and effects on aquatic ecosystems

Author

Masese, Frank O., Kiplagat, Mary J., González-Quijano, Clara Romero, Subalusky, Amanda L., Dutton, Christopher L., Post, David M., and Singer, Gabriel A.

Abstract

Experimental mesocosms and design; Modeling metabolism; Sigmoid model for GPP and ER; Statistical analysis of weekly measures of Ecosystem Metabolism; Modeling DOM composition

Published
2020
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67. Can stable isotope ratios provide for community-wide measures of the trophic structure?

Author

Layman, Craig A., Arrington, D. Albrey, Montana, Carmen G., and Post, David M.

Subjects
Biological diversity -- Research, Food chains (Ecology) -- Research, Predation (Biology) -- Research, Trophic levels -- Analysis, Biological sciences, Environmental issues
Abstract

Stable isotope ratios (typically of carbon and nitrogen) provide one representation of an organism's trophic niche and are widely used to examine aspects of food web structure. Yet stable isotopes have not been applied to quantitatively characterize community-wide aspects of trophic structure (i.e., at the level of an entire food web). We propose quantitative metrics that can be used to this end, drawing on similar approaches from ecomorphology research. For example, the convex hull area occupied by species in [[delta].sup.13]C-[[delta].sup.15]N niche space is a representation of the total extent of trophic diversity within a food web, whereas mean nearest neighbor distance among all species pairs is a measure of species packing within trophic niche space. To facilitate discussion of opportunities and limitations of the metrics, we provide empirical and conceptual examples drawn from Bahamian tidal creek food webs. These examples illustrate how this methodology can be used to quantify trophic diversity and trophic redundancy in food webs, as well as to link individual species to characteristics of the food web in which they are embedded. Building from extensive applications of stable isotope ratios by ecologists, the community-wide metrics may provide a new perspective on food web structure, function, and dynamics. Key words: biodiversity; diet; ecomorphology; food webs; functional groups; niche; predator-prey imeractions; trophic guild; trophic redundancy.

Published
2007

70. Evolutionary Consequences of Dams and Other Barriers for Riverine Fishes.

Author

Zarri, Liam J, Palkovacs, Eric P, Post, David M, Therkildsen, Nina O, and Flecker, Alexander S

Subjects
DAM retirement, DAMS, FISHWAYS, DAM failures, FRESHWATER fishes, LIFE history theory, BODY size
Abstract

Dams and other anthropogenic barriers have caused global ecological and hydrological upheaval in the blink of the geological eye. In the present article, we synthesize 307 studies in a systematic review of contemporary evolution following reduced connectivity and habitat alteration on freshwater fishes. Genetic diversity loss was more commonly observed for small populations impounded in small habitat patches for many generations behind low-passability barriers. Studies show that impoundments can cause rapid adaptive evolution in migration timing, behavior, life history, temperature tolerance, and morphology, as well as reduce phenotypic variance, which can alter adaptive potential and ecological roles. Fish passage structures can restore migratory populations but also create artificial selection pressures on body size and migration. The accelerating pace of dam removals and the paucity of data for fishes other than salmonids, other vertebrates, invertebrates, and tropical and southern hemisphere organisms highlights the urgent need for more studies on the rapid evolutionary effects of dams. [ABSTRACT FROM AUTHOR]

Published
2022
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72. NEOTROPICAL ALIEN MAMMALS: a data set of occurrence and abundance of alien mammals in the Neotropics

Author

Rosa, Clarissa Alves da, primary, Ribeiro, Bruno R., additional, Bejarano, Vanesa, additional, Puertas, Fernando Henrique, additional, Bocchiglieri, Adriana, additional, Barbosa, Adriana Loeser dos Santos, additional, Chiarello, Adriano Garcia, additional, Paglia, Adriano Pereira, additional, Pereira, Adriele Aparecida, additional, Moreira, Adryelle Francisca de Souza, additional, Souza, Agnis Cristiane de, additional, Pellegrin, Aiesca, additional, Gatica, Ailin, additional, Medeiro, Akyllan Zoppi, additional, Pereira, Alan Deivid, additional, Braz, Alan Gerhardt, additional, Yanosky, Alberto, additional, Valenzuela, Alejandro Eduardo Jorge, additional, Bertassoni, Alessandra, additional, Prado, Alessandra dos Santos Venturini do, additional, Nava, Alessandra Ferreira Dales, additional, Rocha, Alessandro, additional, Bovo, Alex Augusto Abreu, additional, Bager, Alex, additional, Cravino, Alexandra, additional, Pires, Alexandra dos Santos, additional, Martensen, Alexandre Camargo, additional, Filippini, Alexandre, additional, Percequillo, Alexandre Reis, additional, Vogliotti, Alexandre, additional, Antunes, Alexsander Zamorano, additional, Leite de Oliveira, Aline Cristina, additional, da Silva de Oliveira, Allan Jefferson, additional, Devlin, Allison, additional, de Paula, Almir, additional, Ferreira, Aluane Silva, additional, García‐Olaechea, Alvaro, additional, Subalusky, Amanda, additional, Sánchez, Amadeo, additional, de Aquino, Ana Carla Medeiros Morato, additional, Srbek‐Araujo, Ana Carolina, additional, Paldês Gonçales, Amane, additional, Araújo, Ana Caroline L., additional, Gozzi, Ana Cecilia, additional, Ochoa, Ana Cecilia, additional, Mendes de Oliveira, Ana Cristina, additional, Lacerda, Ana Cristyna Reis, additional, Francisco, Ana Karina, additional, Paschoal, Ana Maria de Oliveira, additional, Gomes, Ana Paula Nascimento, additional, Potrich, Ana Paula, additional, Olímpio, Ana Priscila Medeiros, additional, Rojas, Ana, additional, Meiga, Ana Yoko Ykeuti, additional, Jácomo, Anah Tereza de Almeida, additional, Calaça, Analice Maria, additional, Feijó, Anderson, additional, Pagoto, Anderson, additional, Borja Miranda, André, additional, Chein Alonso, André, additional, Barreto‐Lima, André Felipe, additional, Lanna, Andre, additional, Luza, André Luís, additional, Camilo, André Restel, additional, Tavares, André, additional, Nunes, André Valle, additional, Kindel, Andreas, additional, de Miguel, Andrés, additional, Gatti, Andressa, additional, Nobre, Andrezza Bellotto, additional, Campêlo, Anielise da Conceição, additional, Albuquerque, Anna Carolina Figueiredo de, additional, de la Torre, Antonio, additional, Mangione, Antonio, additional, Mendes Pontes, Antonio Rossano, additional, Fernandes, Arthur Soares, additional, Felicio, Artur Luiz de Almeida, additional, Ferreguetti, Atilla Colombo, additional, Marcili, Arlei, additional, Piratelli, Augusto João, additional, Nascimento, Ariel Guilherme Santos do, additional, Banhos dos Santos, Áureo, additional, Rosa, Beatris Felipe, additional, Cezila, Beatriz Azevedo, additional, de Thoisy, Benoit, additional, Ingberman, Bianca, additional, Köhler, Bianca, additional, Morais, Bianca Cruz, additional, Gómez‐Valencia, Bibiana, additional, Bertagni de Camargo, Bruna, additional, Bezerra, Bruna M., additional, Tamasauskas, Bruna, additional, Parahyba Campos, Bruno A. T., additional, Kubiak, Bruno Busnello, additional, Saranholi, Bruno Henrique, additional, Nakagawa, Bruno K., additional, Leles, Bruno Pereira, additional, Lim, Burton K., additional, Pereira Mendes, Calebe, additional, Islas, Camila Alvez, additional, Aoki, Camila, additional, Cantagallo Devids, Camila, additional, Figueiredo, Camila, additional, Abreu, Camila Matias Goes de, additional, Silva Oliveira, Camila Raquel, additional, Cassano, Camila Righetto, additional, Lugarini, Camile, additional, Caputo, Carin, additional, Gestich, Carla Cristina, additional, Tedesco, Carla Denise, additional, Vera y Conde, Carla Fabiane de, additional, Hegel, Carla Grasiele Zanin, additional, Kasper, Carlos Benhur, additional, De Angelo, Carlos, additional, Grelle, Carlos E. V., additional, Fragoso, Carlos Eduardo, additional, Esbérard, Carlos Eduardo Lustosa, additional, Rocha, Carlos Frederico Duarte, additional, Verona, Carlos Eduardo, additional, Salvador, Carlos Henrique, additional, Vieira, Carlos Leonardo, additional, Abrahão, Carlos Roberto, additional, Brocardo, Carlos Rodrigo, additional, Fieker, Carolline Zatta, additional, Braga, Caryne, additional, Sánchez Lalinde, Catalina, additional, Bueno, Cecília, additional, Ikuta, Cássia Yumi, additional, Luna, Cecília Licarião Barreto, additional, Cestari, Cesar, additional, Del Vechio Koike, Christine, additional, Knogge, Christoph, additional, Anderson, Christopher Brian, additional, Hurtado, Cindy M., additional, Ferreira Antunes de Oliveira, Cintia, additional, Tellaeche, Cintia, additional, Cesário, Clarice Silva, additional, Costa, Claudia Guimarães, additional, Kanda, Claudia Zukeran, additional, Costa, Sebastián Andrés, additional, Seixas, Cristiana Simão, additional, Trinca, Cristiano Trapé, additional, López‐Fuerte, Cristina F., additional, da Cunha, Cristina Jaques, additional, Doutel Ribas, Cynthia, additional, Santos, Cyntia Cavalcante, additional, Buscariol, Daiane, additional, Carreira, Daiane, additional, Nascimento, Daiane Chaves do, additional, Carvalho, Danianderson Rodrigues, additional, Ferraz, Daniel da Silva, additional, Galiano, Daniel, additional, Homem, Daniel Henrique, additional, Jesús‐Espinosa, Daniel, additional, Bôlla, Daniela A. S., additional, Moreno, Daniele Janina, additional, Moreira, Danielle de Oliveira, additional, Ramos, Danielle Leal, additional, de Amorim, Danilo Angelucci, additional, Barros‐Battesti, Darci Moraes, additional, Lopez, David Echeverri, additional, Tavares, Davi Castro, additional, Post, David M., additional, Couto, Dayvid Rodrigues, additional, Patrocínio, Dennis Nogarolli, additional, Carvalho, Diana Letícia Kruger Pacheco, additional, Silva, Diego Afonso, additional, Córdoba, Diego, additional, Queirolo, Diego, additional, Varela, Diego, additional, de Oliveira, Dilmar Alberto Goncalves, additional, Casanova, Diogo Cavenague, additional, Dias, Douglas de Matos, additional, Machado da Silva, Douglas, additional, Barbier, Eder, additional, Rivadeneira, Edgar Federico, additional, Alexandrino, Eduardo, additional, Carrano, Eduardo, additional, Santos, Eduardo Marques, additional, Venticinque, Eduardo Martins, additional, Hernández‐Pérez, Edwin, additional, Casazza, Egberto da Fonseca, additional, Anderson, Elizabeth P., additional, Fraga, Elmary da Costa, additional, de Lima, Elson Fernandes, additional, D'Bastiani, Elvira, additional, Vieira, Emerson Monteiro, additional, Guijosa‐Guadarrama, Emiliano, additional, González, Enrique M., additional, Maggiorini, Erica Vanessa, additional, Aguiar, Erick Francisco Silva de, additional, Martínez‐Nambo, Erik Daniel, additional, Castro, Érika Paula, additional, de la Peña‐Cuéllar, Erika, additional, Pedó, Ezequiel, additional, Melo, Fabiana Cristina S. Alves de, additional, Rocha, Fabiana Lopes, additional, Fonseca, Fabiana Luques, additional, Girardi, Fabiane, additional, Melo, Fabiano Rodrigues de, additional, Roque, Fábio de Oliveira, additional, Keesen Ferreira, Fabíola, additional, Peters, Felipe Bortolotto, additional, Moreli Fantacini, Felipe, additional, Pedrosa, Felipe, additional, Pessoa da Silva, Felipe, additional, Vélez‐García, Felipe, additional, Abra, Fernanda D., additional, de Azevedo, Fernanda Cavalcanti, additional, Guedes da Silva, Fernanda, additional, Neri, Fernanda Maria, additional, Teixeira, Fernanda Zimmermann, additional, Fernandez, Fernando Antonio dos Santos, additional, Carvalho, Fernando, additional, Passos, Fernandode Camargo, additional, Jacinavicius, Fernando de Castro, additional, Ferreira, Fernando, additional, Pinho, Fernando Ferreira de, additional, Gonçalves, Fernando, additional, Ibanez Martins, Fernando, additional, Lima, Fernando, additional, Contreras‐Moreno, Fernando M., additional, Ribeiro, Fernando Silvério, additional, Tortato, Fernando, additional, Patel, Filipe M., additional, Caruso, Flavia, additional, Tirelli, Flávia Pereira, additional, Rodrigues, Flávio Henrique Guimarães, additional, Ubaid, Flávio Kulaif, additional, Palmeira, Francesca Belem Lopes, additional, Grotta Neto, Francisco, additional, Gabriel, Francisco Homem, additional, de Souza, Franco Leandro, additional, Costa, Francys E. da Veiga da, additional, de Aguiar, Gabriel Lima, additional, Lemos, Frederico Gemesio, additional, Magezi, Gabriel S., additional, Panigai, Gabriel Ferreira Vianna Di, additional, Hofmann, Gabriel Selbach, additional, Heliodoro, Gabriela, additional, Rosa Graviola, Gabriela, additional, Beca, Gabrielle, additional, Andrade, Gabrielle Ribeiro de, additional, Jiménez Romero, Germán, additional, Duarte, Gabriela Teixeira, additional, Melo, Geruza Leal, additional, Dierings, Geverson Luiz, additional, Sabino‐Santos, Gilberto, additional, de Oliveira, Geovana Linhares, additional, Santana, Gindomar Gomes, additional, Ciocheti, Giordano, additional, Zanirato, Gisele Lamberti, additional, Alves, Giselle Bastos, additional, Batista, Graziele Oliveira, additional, Behling, Greici Maia, additional, Ferreira, Guilherme Braga, additional, da Rocha, Guilherme Casoni, additional, Lessa, Gisele, additional, Mourão, Guilherme, additional, Maras, Gustavo A., additional, Toledo, Gustavo Alves da Costa, additional, Gonsioroski, Gustavo, additional, Canale, Gustavo R., additional, Schuchmann, Karl‐Ludwig, additional, Sebastião, Harley, additional, Alves do Prado, Helena, additional, Bergallo, Helena de Godoy, additional, Secco, Helio Kinast Cruz, additional, Roig, Henrique Llacer, additional, Rajão, Henrique, additional, Carlos, Henrique Santiago Alberto, additional, Duarte, Herbert de Oliveira B., additional, Ermenegildo, Hiago, additional, Pena, Hilda Fátima de Jesus, additional, Entringer Júnior, Hilton, additional, Paulino Neto, Hipólito Ferreira, additional, Lemos, Hudson de Macedo, additional, del Castillo, Hugo, additional, Fernandes‐Ferreira, Hugo, additional, Coitiño Banquero, Hugo Ignacio, additional, Roesler, Ignacio, additional, Ribeiro, Igor Kintopp, additional, Coelho, Igor Pfeifer, additional, Lima, Ingrid M. S., additional, Bechara, Isabel Muniz, additional, Lermen, Isabel Salgueiro, additional, Mella Méndez, Isac, additional, Schuck, Gabriela, additional, Esperandio, Isadora Beraldi, additional, Silva, Ita de Oliveria, additional, Mourthe, Italo, additional, Oliveira, Igor, additional, Bernardi, Itiberê Piaia, additional, Miller, Jacqueline R., additional, Marinho‐Filho, Jader, additional, Zocche, Jairo José, additional, Russell, James Charles, additional, Seibert, Jardel Brandão, additional, Hinojosa, Javier, additional, Vitule, Jean R. S., additional, Thompson, Jeffrey J., additional, Silva, Jean Carlos Ramos, additional, Gouvea, Jéssica Abonízio, additional, Santos, Jean Pierre, additional, Falcão, Jéssica Caroline de Faria, additional, Castro‐Prieto, Jessica, additional, Ferreira, Jéssica Paloma, additional, Pincheira‐Ulbrich, Jimmy, additional, Nodari, Joana Zorzal, additional, Zecchini Gebin, João Carlos, additional, Giovanelli, João Gabriel Ribeiro, additional, Miranda, João M. D., additional, Souza‐Alves, João Pedro, additional, Marins, João Rafael Gomes de Almeida, additional, Costa, Jociel Ferreira, additional, Sponchiado, Jonas, additional, de Souza, Jonathas Linds, additional, Gallo, Jorge Alberto, additional, Cherem, Jorge José, additional, Cordeiro, José Luís Passos, additional, Duarte, José Maurício Barbanti, additional, Dantas, José Oliveira, additional, de Matos, José Roberto, additional, Pires, José Salatiel Rodrigues, additional, Martínez Lanfranco, Juan Andrés, additional, de la Cruz Godoy, Juan Camilo, additional, Rudolf, Juan Carlos, additional, Parrish, Juan Felipe Reátiga, additional, Tellarini, Juan Francisco, additional, Peña‐Mondragón, Juan L., additional, Arrabal, Juan Pablo, additional, Reppucci, Juan, additional, Ruiz‐Esparza, Juan, additional, Beduschi, Julia, additional, Oshima, Júlia Emi de Faria, additional, Ribeiro, Juliana Fernandes, additional, Almeida Rocha, Juliana Monteiro de, additional, Ferreira Neto, José Soares, additional, Silveira dos Santos, Juliana, additional, Pereira‐Ribeiro, Juliane, additional, Zanoni, Juliani Bruna, additional, Bogoni, Juliano André, additional, Ferreira, Juliana Rodrigues, additional, Bicca‐Marques, Júlio César, additional, Chacón Pacheco, Julio Javier, additional, Scarascia, Pietro de Oliveira, additional, Guidoni‐Martins, Karlo Gregório, additional, Burs, Kathrin, additional, Ferraz, Katia Maria Paschoaletto Micchi de, additional, Pisciotta, Kátia Regina, additional, Silva, Katyucha Von Kossel de Andrade, additional, Juarez, Keila MacFadem, additional, de la Cruz‐Félix, Keynes, additional, de Morais, Kimberly Danielle Rodrigues, additional, Candelária, Lana Pavão, additional, Fornitano, Larissa, additional, Bailey, Larissa Lynn, additional, Gonçalves, Larissa Oliveira, additional, Fasola, Laura, additional, Nova León, Laura Johanna, additional, de Andrade, Layla Reis, additional, Marques, Leandro de Oliveira, additional, Macedo, Leandro, additional, Moreira, Leandro Santana, additional, Silveira, Leandro, additional, Oliveira, Leonardo de Carvalho, additional, da Silva, Leonardo Henrique, additional, Jerusalinsky, Leandro, additional, La Serra, Leonardo, additional, Marques Costa, Leonardo, additional, Sartorello, Leonardo Rodrigues, additional, Munhoes, Leticia Prado, additional, Oliveira‐Silva, Liany Regina B., additional, de Pina, Ligia Ferracine, additional, Bonjorne, Lilian, additional, Rampim, Lilian Elaine, additional, Sales, Lilian P., additional, Gonçalves da Silva, Lucas, additional, Quintilham, Lucas Lacerda Toth, additional, Perillo, Lucas Neves, additional, Rodríguez‐Planes, Lucía Inés, additional, Martín, Lucía, additional, Araújo, Luciana Souza, additional, Tiepolo, Liliani Marilia, additional, Zago Silva, Luciana, additional, García Loaiza, Lina Marcela, additional, Querido, Luciano Carramaschi de Alagão, additional, da Silva, Luciano Ferreira, additional, La Sala, Luciano Francisco, additional, Bopp, Luciano Tessare, additional, Hufnagel, Ludmila, additional, Oliveira, Luiz Flamarion Barbosa de, additional, Oliveira‐Santos, Luiz Gustavo Rodrigues, additional, Lyra, Luiz Henrique, additional, Guimarães, Luiza Neves, additional, Jimenez Segura, Luz Fernanda, additional, de Sousa, Luziene Conceição, additional, Möcklinghoff, Lydia, additional, Guichón, M. Laura, additional, de la Maza, Javier, additional, Barrios‐Garcia, M. Noelia, additional, Talamoni, Sônia A., additional, Severo, Magnus Machado, additional, Martins, Maísa Ziviani Alves, additional, Oliveira, Marcela Alvares, additional, Figuerêdo Duarte Moraes, Marcela, additional, Lima, Marcela Guimarães Moreira, additional, Soares Pinheiro, Marcell, additional, Pônzio, Marcella do Carmo, additional, Guerreiro, Marcello, additional, Cervini, Marcelo, additional, da Silva, Marcelo, additional, Oliveira, Marcelo Juliano Rabelo, additional, Magioli, Marcelo, additional, Passamani, Marcelo, additional, Silva de Almeida, Marcelo, additional, Amaku, Marcos, additional, Leite de Oliveira, Márcio, additional, Tortato, Marcos Adriano, additional, Melo, Marcos Antônio, additional, Coutinho, Marcos E., additional, Dantas Santos, Marcos Pérsio, additional, Vieira, Marcus V., additional, Andrade, Maria Augusta, additional, Barros, Maria Claudene, additional, Rosario, Maria Cristina Ferreira do, additional, Domit, Maria Dolores Alves dos Santos, additional, Fernandes, Maria Emília de Avelar, additional, Iezzi, María Eugenia, additional, do Nascimento, Maria Histele Sousa, additional, Andrade‐Núñez, María José, additional, Lorini, Maria Lucia, additional, Morini, Maria Santina de Castro, additional, Nagy‐Reis, Mariana B., additional, Landis, Mariana Bueno, additional, Vale, Mariana Moncassim, additional, Xavier, Mariana Sampaio, additional, Kaizer, Mariane C., additional, Baptiste, Maria Piedad, additional, Bergel, Mariano Maudet, additional, Borgnia, Mariela, additional, Barros, Marília A. S., additional, Lima da Silva, Marina, additional, Favarini, Marina Ochoa, additional, Sales Munerato, Marina, additional, Zaluar, Marina Trancoso, additional, Winter, Marina, additional, Xavier da Silva, Marina, additional, Zanin, Marina, additional, Marques, Marinêz Isaac, additional, Haberfeld, Mario Burke, additional, Di Bitetti, Mario S., additional, Galliez, Maron, additional, Alvarez, Martin R., additional, Malerba, Martina, additional, Rivero, Marina, additional, Melo Dias, Mateus, additional, de Oliveira, Mateus Yan, additional, dos Reis, Matheus Gonçalves, additional, Corrêa, Matheus Rocha Jorge, additional, Graipel, Maurício Eduardo, additional, Godoi, Mauricio N., additional, Núñez‐Regueiro, Maurício M., additional, Moura, Mauricio Osvaldo, additional, Orsi, Mário Luís, additional, Galvão da Silva, Marco Aurélio, additional, Sanvicente Lopez, Mauro, additional, Benedetti, Maximiliano Augusto, additional, Beltrão, Mayara Guimarães, additional, Camino, Micaela, additional, Faria, Michel Barros, additional, Miretzki, Michel, additional, Luiz, Micheli Ribeiro, additional, Perine, Michell, additional, Monteiro, Miguel Coutinho Moretta, additional, Alves‐Eigenheer, Milene, additional, Perilli, Miriam Lucia Lages, additional, da Silva, Mônica Andrade, additional, Marini, Miguel Ângelo, additional, Silva Pereira, Monicque, additional, de Freitas Junior, Mozart Caetano, additional, Cossa, Natalia, additional, Denkiewicz, Natalia Mariana, additional, Tôrres, Natália Mundim, additional, Olifiers, Natalie, additional, de Albuquerque, Natasha Moraes, additional, Canassa, Nathália Fernandes, additional, Detogne, Nathália, additional, Gurgel Filho, Newton, additional, Seoane, Nicolás Fernando, additional, da Rosa Oliveira, Nicole, additional, Megale, Nicoli, additional, Pasqualotto, Nielson, additional, Cáceres, Nilton Carlos, additional, Peroni, Nivaldo, additional, Zanella, Noeli, additional, Pays, Olivier, additional, Arimoro, Omolabake Alhambra Silva, additional, Acevedo‐Charry, Orlando, additional, de Almeida Curi, Nelson Henrique, additional, Pinha, Patricia Ribeiro Salgado, additional, Perovic, Pablo, additional, Gonçalves, Pablo Rodrigues, additional, Santos, Paloma Marques, additional, Brennand, Pamella Gusmão de Goés, additional, Kerches Rogeri, Patrícia, additional, Rosas Ribeiro, Patrícia, additional, da Rocha, Patrício Adriano, additional, de Lázari, Patrick Ricardo, additional, Pedreira, Paula Anabel, additional, Pinheiro, Paula Fabiana, additional, Lira, Paula Koeler, additional, Ferreira, Paula Modenesi, additional, Martin, Paula Sanches, additional, Antas, Paulo de Tarso Zuquim, additional, Marinho, Paulo Henrique, additional, Ruffino, Paulo Henrique Peira, additional, Camargo, Paulo Henrique S. A., additional, Landgref Filho, Paulo, additional, Mangini, Paulo Rogério, additional, Farias, Patrick, additional, Cordeiro‐Estrela, Pedro, additional, de Faria Peres, Pedro Henrique, additional, Galetti, Pedro Manoel, additional, Ramírez‐Bautista, Pedro, additional, Maués, Paula Cristina Rodrigues de Almeida, additional, Renaud, Pierre‐Cyril, additional, Sartorello, Ricardo, additional, Barros, Pollyanna Alves de, additional, Lombardi, Pryscilla Moura, additional, Bessa, Rafael, additional, Arroyo‐Gerala, Paulina, additional, de Souza, Rafael Cerqueira Castro, additional, Zenni, Rafael D., additional, Flores Peredo, Rafael, additional, Hoogesteijn, Rafael, additional, Loyola, Rafael, additional, Alves, Rafael Souza Cruz, additional, Rodarte, Raisa Reis de Paula, additional, Silva, Ramon Lima, additional, de Oliveira, Ramonna, additional, Beltrão‐Mendes, Raone, additional, Alencar, Raony de Macêdo, additional, da Silva, Raquel Costa, additional, Pedroso, Rayssa, additional, Sampaio, Rebeca Ferreira, additional, Ribeiro, Renan Lieto Alves, additional, Pardini, Renata, additional, Twardowsky Ramalho Bonikowski, Renata, additional, Pagotto, Renata Valls, additional, Dias, Ricardo Augusto, additional, Bassini‐Silva, Ricardo, additional, Corassa Arrais, Ricardo, additional, Sampaio, Ricardo, additional, de Cassia Bianchi, Rita, additional, Paolino, Roberta Montanheiro, additional, Fusco‐Costa, Roberto, additional, Trovati, Roberto Guilherme, additional, Espíndola Hack, Robson Odeli, additional, Mauro, Rodiney de Arruda, additional, Nobre, Rodrigo de Almeida, additional, Gessulli, Rodrigo Delmonte, additional, León Pérez, Rodrigo, additional, Massara, Rodrigo Lima, additional, Fróes da Silva, Rodrigo Medina, additional, de Paula, Rogério Cunha, additional, da Cunha, Rogério Grassetto Teixeira, additional, Costa, Rômulo Theodoro, additional, Marques, Rosane Vera, additional, Morato, Ronaldo Gonçalves, additional, Bovendorp, Ricardo S., additional, Dornas, Rubem Augusto da Paixão, additional, Andrade, Rubia Santana, additional, Siciliano, Salvatore, additional, Guaragni, Samara Arsego, additional, Rolim, Samir Gonçalves, additional, Astete, Samuel, additional, Cavalcanti, Sandra, additional, Hartz, Sandra Maria, additional, Carvalho, Santiago, additional, Cortez, Sara, additional, Silvestre de Sousa, Saulo Meneses, additional, Ballari, Sebastián A., additional, Ramos Lima, Saulo, additional, Cirignoli, Sebastián, additional, García‐R, Sebastian, additional, Bazilio, Sérgio, additional, Solari Torres, Sergio, additional, Back Franco, Silvana, additional, Martins, Simone Rebouças, additional, de Bustos, Soledad, additional, Age, Stefani Gabrieli, additional, Ferrari, Stephen Francis, additional, Francisco, Talitha Mayumi, additional, Micheletti, Tatiane, additional, Godim, Tayanna Medonça da Silva, additional, Luiz, Thais Guimaraes, additional, Ochotorena de Freitas, Thales Renato, additional, Rodrigues, Thiago Ferreira, additional, Piovezan, Ubiratan, additional, Barcos, Umberto Cotrim, additional, Onofrio, Valeria Castilho, additional, Martin‐Albarracin, Valeria L., additional, Towns, Valeria, additional, Araújo, Valquíria Cabral, additional, Kanaan, Vanessa, additional, Daga, Vanessa Salete, additional, Boere, Vanner, additional, de Araujo, Verônica Parente Gomes, additional, Benitez, Verónica Victoria, additional, Leandro‐Silva, Victor, additional, Geraldi, Vilma Clarice, additional, Alberici, Vinicius, additional, Bastazini, Vinícius Augusto Galvão, additional, Gasparotto, Vinícius Peron de Oliveira, additional, Orsini, Vinícius Santana, additional, da Silva, Virgínia Santiago, additional, Rojas Bonzi, Viviana, additional, Pereira, Vinicius José Alves, additional, Layme, Viviane Maria Guedes, additional, Duarte da Silva, Victor Hugo, additional, Tomas, Walfrido Moraes, additional, Moreira, Thamy De Almeida, additional, Martins, Waldney Pereira, additional, de Moraes Pires, Walna Micaelle, additional, Hannibal, Wellington, additional, Dáttilo, Wesley, additional, Mottin, Viviane, additional, Endo, Whaldener, additional, Bercê, William, additional, Carvalho, William Douglas, additional, Magnusson, William, additional, Akkawi, Paula, additional, Di Blanco, Yamil, additional, Amaral, Paulo Roberto, additional, Ramos, Yan Gabriel Celli, additional, Rodríguez‐Calderón, Yenifer G., additional, Mendes, Yuri Raia, additional, Ribeiro, Yuri Geraldo Gomes, additional, Campos, Zilca, additional, Galetti, Mauro, additional, and Ribeiro, Milton Cezar, additional

Published
2020
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77. Chlorophyll variability, nutrient input, and grazing: evidence from whole-lake experiments

Author

Carpenter, Stephen R., Kitchell, James F., Cottingham, Kathryn L., Schindler, Daniel E., Christensen, David L., Post, David M., and Voichick, Nicholas

Subjects
Grazing -- Research, Lake ecology -- Research, Chlorophyll -- Research, Biological sciences, Environmental issues, Research
Abstract

A Planktivore Lake with small herbivorous zooplankton and a Piscivore Lake with large grazers were monitored for 2 yr and then enriched for 2 yr with inorganic phosphorus and nitrogen. An unenriched lake with an undisturbed fish community served as a reference ecosystem. Added nutrients increased biomass of both phytoplankton and zooplankton. In the Planktivore Lake, phytoplankton were stimulated more than zooplankton. This situation was reversed in the Piscivore Lake. Time series models predicting chlorophyll from P input rate and crustacean length fit well for total chlorophyll and the edible fraction (35 [µmeter]). A 1-mm change in mean crustacean length had about the same effect on chlorophyll as a decrease in P input rate of 1 mg[center dot][m.sup.-3][center dot][d.sup.-1]. There was no evidence of interaction between grazer and P input effects. Although effects of grazers and P input are equal and additive, the range of mean crustacean lengths among lakes is ≅1 mm, while the range of P input rates is substantially >1 mg[center dot][m.sup.-3][center dot][d.sup.-1]. Therefore, the potential for increasing eutrophication by P input exceeds the potential for controlling eutrophication by food web manipulation. Nevertheless, biomanipulation can reduce chlorophyll concentration at P input rates of 1.5 mg[center dot][m.sup.-3][center dot][d.sup.-1] or more; these rates characterize a large fraction of the world's stratified lakes. Key words: Bayesian analysis; biomanipulation; cascading trophic interactions; chlorophyll; ecosystem; grazing; lake; phosphorus; time series analysis., INTRODUCTION Ecologists have adopted both deterministic and stochastic views of trophic cascades. Most analyses have emphasized deterministic, reciprocal responses of alternating trophic levels (e.g., increased predation decreases herbivory and leads [...]

Published
1996

81. Potential ecological and socio-economic effects of a novel megaherbivore introduction: the hippopotamus in Colombia

Author

Subalusky, Amanda L., primary, Anderson, Elizabeth P., additional, Jiménez, Germán, additional, Post, David M., additional, Lopez, David Echeverri, additional, García-R., Sebastián, additional, Nova León, Laura J., additional, Reátiga Parrish, Juan F., additional, Rojas, Ana, additional, Solari, Sergio, additional, and Jiménez-Segura, Luz F., additional

Published
2019
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84. Hippos ( Hippopotamus amphibius ): The animal silicon pump

Author

Schoelynck, Jonas, primary, Subalusky, Amanda L., additional, Struyf, Eric, additional, Dutton, Christopher L., additional, Unzué-Belmonte, Dácil, additional, Van de Vijver, Bart, additional, Post, David M., additional, Rosi, Emma J., additional, Meire, Patrick, additional, and Frings, Patrick, additional

Published
2019
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87. Incidence and phenotypic variation in alewife alter the ontogenetic trajectory of young-of-the-year largemouth bass

Author

Boel, Mikkel, Brodersen, Jakob, Koed, Anders, Baktoft, Henrik, Post, David M., Boel, Mikkel, Brodersen, Jakob, Koed, Anders, Baktoft, Henrik, and Post, David M.

Abstract

There is increasing evidence that phenotypic variation can strongly impact community structure and ecosystem functions. Alewife Alosa pseudoharengus is a planktivorous fish species that strongly impact lake ecosystems. It has previously been demonstrated that phenotypic variation related to differences in life history among landlocked and anadromous alewife populations alters the strength of interactions with other species, potentially modifying its role in the community. The migration between freshwater and marine ecosystems by anadromous alewife creates seasonal differences in alewife densities, which causes lake zooplankton communities to alternate between large‐body size and higher densities in the spring, and small‐body size and low densities in the summer and fall. In lakes with resident (landlocked) alewife, predation from alewife modifies the zooplankton community to having low zooplankton densities and mainly small‐bodied zooplankton year‐round. The strong effects of phenotypic variation in alewife on zooplankton may be important for coexisting species that rely on zooplankton as a resource. Here we use estimates of growth, and direct diet and stable isotope analyses to ask if the presence‐ and phenotypic variation of alewife alters the ontogenetic trajectory of young‐of‐the‐year (YOY) largemouth bass Micropterus salmoides, which depend on zooplankton in the early life stages. We found that both the presence‐ and phenotypic variation of alewife affects growth, trophic position, and diet of largemouth bass. YOY largemouth bass from lakes without alewife grew faster, switched to piscivory earlier, and reached higher trophic positions than in alewife lakes. In lakes with landlocked alewife largemouth bass grew slower and obtained a lower trophic position than those in lakes with anadromous alewife. These divergences can be explained by the strong effects of alewife on zooplankton community structure. Our results demonstrate how the strong effects of phenotypic

Published
2018

88. Potential ecological and socio-economic effects of a novel megaherbivore introduction: the hippopotamus in Colombia.

Author

Subalusky, Amanda L., Anderson, Elizabeth P., Jiménez, Germán, Post, David M., Lopez, David Echeverri, García-R., Sebastián, Nova León, Laura J., Reátiga Parrish, Juan F., Rojas, Ana, Solari, Sergio, and Jiménez-Segura, Luz F.

Subjects
HIPPOPOTAMUS, INTRODUCED species, ENDANGERED species, WATERSHEDS, WILDLIFE reintroduction, LITERATURE reviews, AQUATIC biodiversity
Abstract

Introduced species can have strong ecological, social and economic effects on their non-native environment. Introductions of megafaunal species are rare and may contribute to rewilding efforts, but they may also have pronounced socio-ecological effects because of their scale of influence. A recent introduction of the hippopotamus Hippopotamus amphibius into Colombia is a novel introduction of a megaherbivore onto a new continent, and raises questions about the future dynamics of the socio-ecological system into which it has been introduced. Here we synthesize current knowledge about the Colombian hippopotamus population, review the literature on the species to predict potential ecological and socio-economic effects of this introduction, and make recommendations for future study. Hippopotamuses can have high population growth rates (7–11%) and, on the current trajectory, we predict there could be 400–800 individuals in Colombia by 2050. The hippopotamus is an ecosystem engineer that can have profound effects on terrestrial and aquatic environments and could therefore affect the native biodiversity of the Magdalena River basin. Hippopotamuses are also aggressive and may pose a threat to the many inhabitants of the region who rely upon the Magdalena River for their livelihoods, although the species could provide economic benefits through tourism. Further research is needed to quantify the current and future size and distribution of this hippopotamus population and to predict the likely ecological, social and economic effects. This knowledge must be balanced with consideration of social and cultural concerns to develop appropriate management strategies for this novel introduction. [ABSTRACT FROM AUTHOR]

Published
2021
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89. Ecology under lake ice

Author

Hampton, Stephanie E., Galloway, Aaron W. E., Powers, Stephen M., Ozersky, Ted, Woo, Kara H., Batt, Ryan D., Labou, Stephanie G., O'Reilly, Catherine M., Sharma, Sapna, Lottig, Noah R., Stanley, Emily H., North, Rebecca L., Stockwell, Jason D., Adrian, Rita, Weyhenmeyer, Gesa A., Arvola, Lauri, Baulch, Helen M., Bertani, Isabella, Bowman, Larry L., Jr., Carey, Cayelan C., Catalan, Jordi, Colom-Montero, William, Domine, Leah M., Felip, Marisol, Granados, Ignacio, Gries, Corinna, Grossart, Hans-Peter, Haberman, Juta, Haldna, Marina, Hayden, Brian, Higgins, Scott N., Jolley, Jeff C., Kahilainen, Kimmo K., Kaup, Enn, Kehoe, Michael J., MacIntyre, Sally, Mackay, Anson W., Mariash, Heather L., Mckay, Robert M., Nixdorf, Brigitte, Noges, Peeter, Noges, Tiina, Palmer, Michelle, Pierson, Don C., Post, David M., Pruett, Matthew J., Rautio, Milla, Read, Jordan S., Roberts, Sarah L., Ruecker, Jacqueline, Sadro, Steven, Silow, Eugene A., Smith, Derek E., Sterner, Robert W., Swann, George E. A., Timofeyev, Maxim A., Toro, Manuel, Twiss, Michael R., Vogt, Richard J., Watson, Susan B., Whiteford, Erika J., Xenopoulos, Marguerite A., Coastal dynamics, Fluvial systems and Global change, Palaeo-ecologie, Biological Sciences, Lammi Biological Station, Environmental Sciences, Coastal dynamics, Fluvial systems and Global change, and Palaeo-ecologie

Subjects
0106 biological sciences, 010504 meteorology & atmospheric sciences, data synthesis, Limnology, AULACOSEIRA-BAICALENSIS, Aquatic ecosystem, 01 natural sciences, Zooplankton, Phytoplankton, Temperate climate, Ecosystem, Ice Cover, freshwater, lake, Ecology, Evolution, Behavior and Systematics, 0105 earth and related environmental sciences, Abiotic component, Ekologi, long-term, CLIMATE-CHANGE, SEASONAL SUCCESSION, Ecology, 010604 marine biology & hydrobiology, limnology, plankton, NORTH-ATLANTIC OSCILLATION, UNDER-ICE, Plankton, seasonal, Snow, WINTER LIMNOLOGY, PLANKTON SUCCESSION, Lakes, 13. Climate action, FRESH-WATER LAKES, COVERED LAKES, 1181 Ecology, evolutionary biology, Environmental science, Seasons, long‐term, time series, 500 Naturwissenschaften und Mathematik::570 Biowissenschaften, Biologie::577 Ökologie, COMMUNITY STRUCTURE, winter ecology
Abstract

Winter conditions are rapidly changing in temperate ecosystems, particularly for those that experience periods of snow and ice cover. Relatively little is known of winter ecology in these systems, due to a historical research focus on summer 'growing seasons'. We executed the first global quantitative synthesis on under-ice lake ecology, including 36 abiotic and biotic variables from 42 research groups and 101 lakes, examining seasonal differences and connections as well as how seasonal differences vary with geophysical factors. Plankton were more abundant under ice than expected; mean winter values were 43.2% of summer values for chlorophyll a, 15.8% of summer phytoplankton biovolume and 25.3% of summer zooplankton density. Dissolved nitrogen concentrations were typically higher during winter, and these differences were exaggerated in smaller lakes. Lake size also influenced winter-summer patterns for dissolved organic carbon (DOC), with higher winter DOC in smaller lakes. At coarse levels of taxonomic aggregation, phytoplankton and zooplankton community composition showed few systematic differences between seasons, although literature suggests that seasonal differences are frequently lake-specific, species-specific, or occur at the level of functional group. Within the subset of lakes that had longer time series, winter influenced the subsequent summer for some nutrient variables and zooplankton biomass. National Science Foundation (NSF DEB) [1431428, 1136637]; Washington State University; Russian Science Foundation [14-14-00400]; Ministry of education and science of Russia Gos-Zasanie project [1354-2014/51]; Natural Environment Research Council [NE/J00829X/1, 1230750, NE/G019622/1, NE/J010227/1] Funding was provided by the National Science Foundation (NSF DEB #1431428; NSF DEB #1136637) and Washington State University. M. Timofeyev and E. Silow were partially supported by Russian Science Foundation project No 14-14-00400 and Ministry of education and science of Russia Gos-Zasanie project No 1354-2014/51. We are grateful to Marianne Moore, Deniz Ozkundakci, Chris Polashenski and Paula Kankaala for discussions that greatly improved this work. We also gratefully acknowledge the following individuals for contributing to this project: John Anderson, Jill Baron, Rick Bourbonniere, Sandra Brovold, Lluis Camarero, Sudeep Chandra, Jim Cotner, Laura Forsstom, Guillaume Grosbois, Chris Harrod, Klaus D. Joehnk, T.Y. Kim, Daniel Langenhaun, Reet Laugaste, Suzanne McGowan, Virginia Panizzo, Giampaolo Rossetti, R.E.H. Smith, Sarah Spaulding, Helen Tammert, Steve Thackeray, Kyle Zimmer, Priit Zingel and two anonymous reviewers. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the US Government.

Published
2017

90. Restoration‐mediated secondary contact leads to introgression of alewife ecotypes separated by a colonial‐era dam.

Author

Reid, Kerry, Carlos Garza, John, Gephard, Steven R., Caccone, Adalgisa, Post, David M., and Palkovacs, Eric P.

Subjects
LAKE restoration, EFFECT of dams on fishes, ANADROMOUS fishes, GENETIC markers, WILDLIFE reintroduction, COMPETITION (Biology)
Abstract

Secondary contact may have important implications for ecological and evolutionary processes; however, few studies have tracked the outcomes of secondary contact from its onset in natural ecosystems. We evaluated an anadromous alewife (Alosa pseudoharengus) reintroduction project in Rogers Lake (Connecticut, USA), which contains a landlocked alewife population that was isolated as a result of colonial‐era damming. After access to the ocean was restored, adult anadromous alewife were stocked into the lake. We assessed anadromous juvenile production, the magnitude and direction of introgression, and the potential for competition between ecotypes. We obtained fin clips from all adult alewife stocked into the lake during the restoration and a sample of juveniles produced in the lake two years after the stocking began. We assessed the ancestry of juveniles using categorical assignment and pedigree reconstruction with newly developed microhaplotype genetic markers. Anadromous alewives successfully spawned in the lake and hybridized with the landlocked population. Parentage assignments revealed that male and female anadromous fish contributed equally to juvenile F1 hybrids. The presence of landlocked backcrosses shows that some hybrids were produced within the first two years of secondary contact, matured in the lake, and reproduced. Therefore, introgression appears directional, from anadromous into landlocked, in the lake environment. Differences in estimated abundance of juveniles of different ecotypes in different habitats were also detected, which may reduce competition between ecotypes as the restoration continues. Our results illustrate the utility of restoration projects to study the outcomes of secondary contact in real ecosystems. [ABSTRACT FROM AUTHOR]

Published
2020
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97. Biological control of eutrophication in lakes

Author

Carpenter, Stephen R., Christensen, David L., Cole, Jonathan J., Cottingham, Kathryn L., He, Xi, Hodgson, James R., Kitchell, James F., Pace, Michael L., Post, David M., Schindler, Daniel E., Voichick, Nicholas, and Knight, Susan E.

Subjects
Eutrophication -- Research, Lakes -- Environmental aspects, Environmental issues, Science and technology
Abstract

The effect of grazing on lake eutrophication under conditions of increased planktonic algae growth is investigated by adding nutrients to two lakes with different food webs and measuring the resulting chlorophyll and blue-green algae biomass. The results showed that the lake with zooplanktovorous fish accumulated algal biomass. The lake with piscivorous fish accumulated less algal biomass. This indicates that grazing can control total algal biomass although it may not suppress nuisance algae.

Published
1995

98. LAGOS-NE : A multi-scaled geospatial and temporal database of lake ecological context and water quality for thousands of U.S. lakes

Author

Soranno, Patricia A., Bacon, Linda C., Beauchene, Michael, Bednar, Karen E., Bissell, Edward G., Boudreau, Claire K., Boyer, Marvin G., Bremigan, Mary T., Carpenter, Stephen R., Carr, Jamie W., Cheruvelil, Kendra S., Christel, Samuel T., Claucherty, Matt, Collins, Sarah M., Conroy, Joseph D., Downing, John A., Dukett, Jed, Fergus, C. Emi, Filstrup, Christopher T., Funk, Clara, Gonzalez, Maria J., Green, Linda T., Gries, Corinna, Halfman, John D., Hamilton, Stephen K., Hanson, Paul C., Henry, Emily N., Herron, Elizabeth M., Hockings, Celeste, Jackson, James R., Jacobson-Hedin, Kari, Janus, Lorraine L., Jones, William W., Jones, John R., Keson, Caroline M., King, Katelyn B.S., Kishbaugh, Scott A., Lapierre, Jean-Francois, Lathrop, Barbara, Latimore, Jo A., Lee, Yuehlin, Lottig, Noah R., Lynch, Jason A., Matthews, Leslie J., McDowell, William H., Moore, Karen E.B., Neff, Brian P., Nelson, Sarah J., Oliver, Samantha K., Pace, Michael L., Pierson, Donald, Poisson, Autumn C., Pollard, Amina I., Post, David M., Reyes, Paul O., Rosenberry, Donald O., Roy, Karen M., Rudstam, Lars G., Sarnelle, Orlando, Schuldt, Nancy J., Scott, Caren E., Skaff, Nicholas K., Smith, Nicole J., Spinelli, Nick R., Stachelek, Joseph J., Stanley, Emily H., Stoddard, John L., Stopyak, Scott B., Stow, Craig A., Tallant, Jason M., Tan, Pang-Ning, Thorpe, Anthony P., Vanni, Michael J., Wagner, Tyler, Watkins, Gretchen, Weathers, Kathleen C., Webster, Katherine E., White, Jeffrey D., Wilmes, Marcy K., Yuan, Shuai, Soranno, Patricia A., Bacon, Linda C., Beauchene, Michael, Bednar, Karen E., Bissell, Edward G., Boudreau, Claire K., Boyer, Marvin G., Bremigan, Mary T., Carpenter, Stephen R., Carr, Jamie W., Cheruvelil, Kendra S., Christel, Samuel T., Claucherty, Matt, Collins, Sarah M., Conroy, Joseph D., Downing, John A., Dukett, Jed, Fergus, C. Emi, Filstrup, Christopher T., Funk, Clara, Gonzalez, Maria J., Green, Linda T., Gries, Corinna, Halfman, John D., Hamilton, Stephen K., Hanson, Paul C., Henry, Emily N., Herron, Elizabeth M., Hockings, Celeste, Jackson, James R., Jacobson-Hedin, Kari, Janus, Lorraine L., Jones, William W., Jones, John R., Keson, Caroline M., King, Katelyn B.S., Kishbaugh, Scott A., Lapierre, Jean-Francois, Lathrop, Barbara, Latimore, Jo A., Lee, Yuehlin, Lottig, Noah R., Lynch, Jason A., Matthews, Leslie J., McDowell, William H., Moore, Karen E.B., Neff, Brian P., Nelson, Sarah J., Oliver, Samantha K., Pace, Michael L., Pierson, Donald, Poisson, Autumn C., Pollard, Amina I., Post, David M., Reyes, Paul O., Rosenberry, Donald O., Roy, Karen M., Rudstam, Lars G., Sarnelle, Orlando, Schuldt, Nancy J., Scott, Caren E., Skaff, Nicholas K., Smith, Nicole J., Spinelli, Nick R., Stachelek, Joseph J., Stanley, Emily H., Stoddard, John L., Stopyak, Scott B., Stow, Craig A., Tallant, Jason M., Tan, Pang-Ning, Thorpe, Anthony P., Vanni, Michael J., Wagner, Tyler, Watkins, Gretchen, Weathers, Kathleen C., Webster, Katherine E., White, Jeffrey D., Wilmes, Marcy K., and Yuan, Shuai

Abstract

Understanding the factors that affect water quality and the ecological services provided by freshwater ecosystems is an urgent global environmental issue. Predicting how water quality will respond to global changes not only requires water quality data, but also information about the ecological context of individual water bodies across broad spatial extents. Because lake water quality is usually sampled in limited geographic regions, often for limited time periods, assessing the environmental controls of water quality requires compilation of many data sets across broad regions and across time into an integrated database. LAGOS-NE accomplishes this goal for lakes in the northeastern-most 17 US states. LAGOS-NE contains data for 51101 lakes and reservoirs larger than 4 ha in 17 lake-rich US states. The database includes 3 datamodules for: lake location and physical characteristics for all lakes; ecological context (i.e., the land use, geologic, climatic, and hydrologic setting of lakes) for all lakes; and in situmeasurements of lake water quality for a subset of the lakes fromthe past 3 decades for approximately 2600–12 000 lakes depending on the variable. The database contains approximately 150000 measures of total phosphorus, 200 000 measures of chlorophyll, and 900 000 measures of Secchi depth. The water quality data were compiled from87 lake water quality data sets fromfederal, state, tribal, and non-profit agencies, university researchers, and citizen scientists. This database is one of the largest andmost comprehensive databases of its type because it includes both in situmeasurements and ecological context data. Because ecological context can be used to study a variety of other questions about lakes, streams, and wetlands, this database can also be used as the foundation for other studies of freshwaters at broad spatial and ecological scales

Published
2017
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99. Ecology under lake ice

Author

Coastal dynamics, Fluvial systems and Global change, Palaeo-ecologie, Hampton, Stephanie E., Galloway, Aaron W. E., Powers, Stephen M., Ozersky, Ted, Woo, Kara H., Batt, Ryan D., Labou, Stephanie G., O'Reilly, Catherine M., Sharma, Sapna, Lottig, Noah R., Stanley, Emily H., North, Rebecca L., Stockwell, Jason D., Adrian, Rita, Weyhenmeyer, Gesa A., Arvola, Lauri, Baulch, Helen M., Bertani, Isabella, Bowman, Larry L., Jr., Carey, Cayelan C., Catalan, Jordi, Colom-Montero, William, Domine, Leah M., Felip, Marisol, Granados, Ignacio, Gries, Corinna, Grossart, Hans-Peter, Haberman, Juta, Haldna, Marina, Hayden, Brian, Higgins, Scott N., Jolley, Jeff C., Kahilainen, Kimmo K., Kaup, Enn, Kehoe, Michael J., MacIntyre, Sally, Mackay, Anson W., Mariash, Heather L., Mckay, Robert M., Nixdorf, Brigitte, Noges, Peeter, Noges, Tiina, Palmer, Michelle, Pierson, Don C., Post, David M., Pruett, Matthew J., Rautio, Milla, Read, Jordan S., Roberts, Sarah L., Ruecker, Jacqueline, Sadro, Steven, Silow, Eugene A., Smith, Derek E., Sterner, Robert W., Swann, George E. A., Timofeyev, Maxim A., Toro, Manuel, Twiss, Michael R., Vogt, Richard J., Watson, Susan B., Whiteford, Erika J., Xenopoulos, Marguerite A., Coastal dynamics, Fluvial systems and Global change, Palaeo-ecologie, Hampton, Stephanie E., Galloway, Aaron W. E., Powers, Stephen M., Ozersky, Ted, Woo, Kara H., Batt, Ryan D., Labou, Stephanie G., O'Reilly, Catherine M., Sharma, Sapna, Lottig, Noah R., Stanley, Emily H., North, Rebecca L., Stockwell, Jason D., Adrian, Rita, Weyhenmeyer, Gesa A., Arvola, Lauri, Baulch, Helen M., Bertani, Isabella, Bowman, Larry L., Jr., Carey, Cayelan C., Catalan, Jordi, Colom-Montero, William, Domine, Leah M., Felip, Marisol, Granados, Ignacio, Gries, Corinna, Grossart, Hans-Peter, Haberman, Juta, Haldna, Marina, Hayden, Brian, Higgins, Scott N., Jolley, Jeff C., Kahilainen, Kimmo K., Kaup, Enn, Kehoe, Michael J., MacIntyre, Sally, Mackay, Anson W., Mariash, Heather L., Mckay, Robert M., Nixdorf, Brigitte, Noges, Peeter, Noges, Tiina, Palmer, Michelle, Pierson, Don C., Post, David M., Pruett, Matthew J., Rautio, Milla, Read, Jordan S., Roberts, Sarah L., Ruecker, Jacqueline, Sadro, Steven, Silow, Eugene A., Smith, Derek E., Sterner, Robert W., Swann, George E. A., Timofeyev, Maxim A., Toro, Manuel, Twiss, Michael R., Vogt, Richard J., Watson, Susan B., Whiteford, Erika J., and Xenopoulos, Marguerite A.

Published
2017

100. Ecology under lake ice

Author

Biological Sciences, Hampton, Stephanie E., Galloway, Aaron W. E., Powers, Stephen M., Ozersky, Ted, Woo, Kara H., Batt, Ryan D., Labou, Stephanie G., O'Reilly, Catherine M., Sharma, Sapna, Lottig, Noah R., Stanley, Emily H., North, Rebecca L., Stockwell, Jason D., Adrian, Rita, Weyhenmeyer, Gesa A., Arvola, Lauri, Baulch, Helen M., Bertani, Isabella, Bowman, Larry L., Jr., Carey, Cayelan C., Catalan, Jordi, Colom-Montero, William, Domine, Leah M., Felip, Marisol, Granados, Ignacio, Gries, Corinna, Grossart, Hans-Peter, Haberman, Juta, Haldna, Marina, Hayden, Brian, Higgins, Scott N., Jolley, Jeff C., Kahilainen, Kimmo K., Kaup, Enn, Kehoe, Michael J., MacIntyre, Sally, Mackay, Anson W., Mariash, Heather L., McKay, Robert M., Nixdorf, Brigitte, Noges, Peeter, Noges, Tiina, Palmer, Michelle, Pierson, Don C., Post, David M., Pruett, Matthew J., Rautio, Milla, Read, Jordan S., Roberts, Sarah L., Ruecker, Jacqueline, Sadro, Steven, Silow, Eugene A., Smith, Derek E., Sterner, Robert W., Swann, George E. A., Timofeyev, Maxim A., Toro, Manuel, Twiss, Michael R., Vogt, Richard J., Watson, Susan B., Whiteford, Erika J., Xenopoulos, Marguerite A., Biological Sciences, Hampton, Stephanie E., Galloway, Aaron W. E., Powers, Stephen M., Ozersky, Ted, Woo, Kara H., Batt, Ryan D., Labou, Stephanie G., O'Reilly, Catherine M., Sharma, Sapna, Lottig, Noah R., Stanley, Emily H., North, Rebecca L., Stockwell, Jason D., Adrian, Rita, Weyhenmeyer, Gesa A., Arvola, Lauri, Baulch, Helen M., Bertani, Isabella, Bowman, Larry L., Jr., Carey, Cayelan C., Catalan, Jordi, Colom-Montero, William, Domine, Leah M., Felip, Marisol, Granados, Ignacio, Gries, Corinna, Grossart, Hans-Peter, Haberman, Juta, Haldna, Marina, Hayden, Brian, Higgins, Scott N., Jolley, Jeff C., Kahilainen, Kimmo K., Kaup, Enn, Kehoe, Michael J., MacIntyre, Sally, Mackay, Anson W., Mariash, Heather L., McKay, Robert M., Nixdorf, Brigitte, Noges, Peeter, Noges, Tiina, Palmer, Michelle, Pierson, Don C., Post, David M., Pruett, Matthew J., Rautio, Milla, Read, Jordan S., Roberts, Sarah L., Ruecker, Jacqueline, Sadro, Steven, Silow, Eugene A., Smith, Derek E., Sterner, Robert W., Swann, George E. A., Timofeyev, Maxim A., Toro, Manuel, Twiss, Michael R., Vogt, Richard J., Watson, Susan B., Whiteford, Erika J., and Xenopoulos, Marguerite A.

Abstract

Winter conditions are rapidly changing in temperate ecosystems, particularly for those that experience periods of snow and ice cover. Relatively little is known of winter ecology in these systems, due to a historical research focus on summer 'growing seasons'. We executed the first global quantitative synthesis on under-ice lake ecology, including 36 abiotic and biotic variables from 42 research groups and 101 lakes, examining seasonal differences and connections as well as how seasonal differences vary with geophysical factors. Plankton were more abundant under ice than expected; mean winter values were 43.2% of summer values for chlorophyll a, 15.8% of summer phytoplankton biovolume and 25.3% of summer zooplankton density. Dissolved nitrogen concentrations were typically higher during winter, and these differences were exaggerated in smaller lakes. Lake size also influenced winter-summer patterns for dissolved organic carbon (DOC), with higher winter DOC in smaller lakes. At coarse levels of taxonomic aggregation, phytoplankton and zooplankton community composition showed few systematic differences between seasons, although literature suggests that seasonal differences are frequently lake-specific, species-specific, or occur at the level of functional group. Within the subset of lakes that had longer time series, winter influenced the subsequent summer for some nutrient variables and zooplankton biomass.

Published
2017

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