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6. The recovery of European freshwater biodiversity has come to a halt

Author

Haase, Peter, Bowler, Diana E., Baker, Nathan J., Bonada, Núria, Domisch, Sami, Garcia Marquez, Jaime R., Heino, Jani, Hering, Daniel, Jähnig, Sonja C., Schmidt-Kloiber, Astrid, Stubbington, Rachel, Altermatt, Florian, Álvarez-Cabria, Mario, Amatulli, Giuseppe, Angeler, David G., Archambaud-Suard, Gaït, Jorrín, Iñaki Arrate, Aspin, Thomas, Azpiroz, Iker, Bañares, Iñaki, Ortiz, José Barquín, Bodin, Christian L., Bonacina, Luca, Bottarin, Roberta, Cañedo-Argüelles, Miguel, Csabai, Zoltán, Datry, Thibault, de Eyto, Elvira, Dohet, Alain, Dörflinger, Gerald, Drohan, Emma, Eikland, Knut A., England, Judy, Eriksen, Tor E., Evtimova, Vesela, Feio, Maria J., Ferréol, Martial, Floury, Mathieu, Forcellini, Maxence, Forio, Marie Anne Eurie, Fornaroli, Riccardo, Friberg, Nikolai, Fruget, Jean-François, Georgieva, Galia, Goethals, Peter, Graça, Manuel A. S., Graf, Wolfram, House, Andy, Huttunen, Kaisa-Leena, Jensen, Thomas C., Johnson, Richard K., Jones, J. Iwan, Kiesel, Jens, Kuglerová, Lenka, Larrañaga, Aitor, Leitner, Patrick, L’Hoste, Lionel, Lizée, Marie-Helène, Lorenz, Armin W., Maire, Anthony, Arnaiz, Jesús Alberto Manzanos, McKie, Brendan G., Millán, Andrés, Monteith, Don, Muotka, Timo, Murphy, John F., Ozolins, Davis, Paavola, Riku, Paril, Petr, Peñas, Francisco J., Pilotto, Francesca, Polášek, Marek, Rasmussen, Jes Jessen, Rubio, Manu, Sánchez-Fernández, David, Sandin, Leonard, Schäfer, Ralf B., Scotti, Alberto, Shen, Longzhu Q., Skuja, Agnija, Stoll, Stefan, Straka, Michal, Timm, Henn, Tyufekchieva, Violeta G., Tziortzis, Iakovos, Uzunov, Yordan, van der Lee, Gea H., Vannevel, Rudy, Varadinova, Emilia, Várbíró, Gábor, Velle, Gaute, Verdonschot, Piet F. M., Verdonschot, Ralf C. M., Vidinova, Yanka, Wiberg-Larsen, Peter, and Welti, Ellen A. R.

Published
2023
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16. A time-calibrated ‘Tree of Life’ of aquatic insects for knitting historical patterns of evolution and measuring extant phylogenetic biodiversity across the world

Author

García-Girón, Jorge, Múrria, Cesc, Arnedo, Miquel A., Bonada, Núria, Cañedo-Argüelles, Miguel, Derka, Tomáš, Fernández-Calero, Jose María, Li, Zhengfei, Tierno de Figueroa, José Manuel, Xie, Zhicai, Heino, Jani, García-Girón, Jorge, Múrria, Cesc, Arnedo, Miquel A., Bonada, Núria, Cañedo-Argüelles, Miguel, Derka, Tomáš, Fernández-Calero, Jose María, Li, Zhengfei, Tierno de Figueroa, José Manuel, Xie, Zhicai, and Heino, Jani

Abstract

The extent to which the sequence and timing of important events on Earth have influenced biological evolution through geological time is a matter of ongoing debate. In this context, the phylogenetic history of aquatic insects remains largely elusive, and our understanding of their chronology is fragmentary and incomplete at best. Here, after gathering a comprehensive data matrix of 3125 targeted rRNA and protein-coding gene sequences from nine independent gene portions, we built a well-supported time-calibrated phylogenetic tree comprising almost 1200 genera that represent a large proportion of extant families of dragonflies and damselflies (Odonata), mayflies (Ephemeroptera), stoneflies (Plecoptera), and caddisflies (Trichoptera). We reviewed the main evolutionary and historical scenarios for each aquatic insect lineage as revealed by our best-scoring molecular tree topology, major ancient radiations, calibrated divergence estimates, and important events in geological history related to the spatial arrangement of land masses, continental drift, and mass extinctions. Molecular dating using the birth-death model of speciation, with a lognormal-relaxed model of sequence evolution informed by transcriptomic constraints, suggested that (i) dragonflies and damselflies first radiated approximately 220 million years (Ma) ago and most extant lineages thrived independently after the Triassic–Jurassic (Tr–J) extinction event; (ii) mayflies underwent bursts of diversification during the Cretaceous; (iii) ancestral divergence separating the stonefly suborders Arctoperlaria and Antarctoperlaria was consistent with geographical isolation after vicariant fragmentation and tectonic splitting of the supercontinent Pangaea around 170 Ma ago; and (iv) the most recent common ancestors of caddisflies extended back to the time of Pangaea, supporting the earliest offshoot of the ‘retreat-making’ Annulipalpia and a sister relationship between the predatory free-living Rhyacophilidae and Hy

Published
2024

17. Multi-decadal improvements in the ecological quality of European rivers are not consistently reflected in biodiversity metrics

Author

0000-0003-0787-7342, 0000-0001-6944-3422, 0000-0002-4831-6958, 0000-0001-7948-106X, 0000-0003-1897-2636, 0000-0002-4695-5932, 0000-0002-2983-3335, 0000-0003-3864-7451, 0000-0003-1700-2574, 0000-0003-2281-2491, 0000-0003-2962-7387, 0000-0003-0209-4648, 0000-0003-2033-6399, 0000-0002-6358-8011, 0000-0003-0362-6802, 0000-0001-6740-3654, 0000-0002-4952-5807, 0000-0001-6675-4751, 0000-0001-6326-5653, 0000-0003-0488-1274, 0000-0002-6349-9561, 0000-0001-7979-6563, 0000-0003-0239-9468, 0000-0002-0185-9154, 0000-0002-3262-6396, 0009-0006-6199-9200, 0000-0002-4708-1413, 0000-0002-4714-0305, 0000-0002-7471-997X, 0000-0003-1848-3154, 0000-0002-5932-3125, 0000-0001-8839-5913, 0000-0002-5861-7551, 0000-0001-8475-5109, 0000-0002-9315-7773, 0000-0002-5603-271X, 0000-0002-0977-5975, 0000-0002-7385-8302, 0000-0002-9340-0438, Sinclair, James S., Welti, Ellen A. R., Altermatt, Florian, Álvarez-Cabria, Mario, Aroviita, Jukka, Baker, Nathan J., Barešová, Libuše, Barquín, José, Bonacina, Luca, Bonada, Núria, Cañedo-Argüelles, Miguel, Csabai, Zoltán, de Eyto, Elvira, Dohet, Alain, Dörflinger, Gerald, Eriksen, Tor E., Evtimova, Vesela, Feio, Maria J., Ferréol, Martial, Floury, Mathieu, Forio, Marie Anne Eurie, Fornaroli, Riccardo, Goethals, Peter L. M., Heino, Jani, Hering, Daniel, Huttunen, Kaisa-Leena, Jähnig, Sonja C., Johnson, Richard K., Kuglerová, Lenka, Kupilas, Benjamin, L'Hoste, Lionel, Larrañaga, Aitor, Leitner, Patrick, Lorenz, Armin W., McKie, Brendan G., Muotka, Timo, Osadčaja, Diana, Paavola, Riku, Palinauskas, Vaidas, Pařil, Petr, Pilotto, Francesca, Polášek, Marek, Rasmussen, Jes J., Schäfer, Ralf B., Schmidt-Kloiber, Astrid, Scotti, Alberto, Skuja, Agnija, Straka, Michal, Stubbington, Rachel, Timm, Henn, Tyufekchieva, Violeta, Tziortzis, Iakovos, Vannevel, Rudy, Várbíró, Gábor, Velle, Gaute, Verdonschot, Ralf C. M., Vray, Sarah, Haase, Peter, 0000-0003-0787-7342, 0000-0001-6944-3422, 0000-0002-4831-6958, 0000-0001-7948-106X, 0000-0003-1897-2636, 0000-0002-4695-5932, 0000-0002-2983-3335, 0000-0003-3864-7451, 0000-0003-1700-2574, 0000-0003-2281-2491, 0000-0003-2962-7387, 0000-0003-0209-4648, 0000-0003-2033-6399, 0000-0002-6358-8011, 0000-0003-0362-6802, 0000-0001-6740-3654, 0000-0002-4952-5807, 0000-0001-6675-4751, 0000-0001-6326-5653, 0000-0003-0488-1274, 0000-0002-6349-9561, 0000-0001-7979-6563, 0000-0003-0239-9468, 0000-0002-0185-9154, 0000-0002-3262-6396, 0009-0006-6199-9200, 0000-0002-4708-1413, 0000-0002-4714-0305, 0000-0002-7471-997X, 0000-0003-1848-3154, 0000-0002-5932-3125, 0000-0001-8839-5913, 0000-0002-5861-7551, 0000-0001-8475-5109, 0000-0002-9315-7773, 0000-0002-5603-271X, 0000-0002-0977-5975, 0000-0002-7385-8302, 0000-0002-9340-0438, Sinclair, James S., Welti, Ellen A. R., Altermatt, Florian, Álvarez-Cabria, Mario, Aroviita, Jukka, Baker, Nathan J., Barešová, Libuše, Barquín, José, Bonacina, Luca, Bonada, Núria, Cañedo-Argüelles, Miguel, Csabai, Zoltán, de Eyto, Elvira, Dohet, Alain, Dörflinger, Gerald, Eriksen, Tor E., Evtimova, Vesela, Feio, Maria J., Ferréol, Martial, Floury, Mathieu, Forio, Marie Anne Eurie, Fornaroli, Riccardo, Goethals, Peter L. M., Heino, Jani, Hering, Daniel, Huttunen, Kaisa-Leena, Jähnig, Sonja C., Johnson, Richard K., Kuglerová, Lenka, Kupilas, Benjamin, L'Hoste, Lionel, Larrañaga, Aitor, Leitner, Patrick, Lorenz, Armin W., McKie, Brendan G., Muotka, Timo, Osadčaja, Diana, Paavola, Riku, Palinauskas, Vaidas, Pařil, Petr, Pilotto, Francesca, Polášek, Marek, Rasmussen, Jes J., Schäfer, Ralf B., Schmidt-Kloiber, Astrid, Scotti, Alberto, Skuja, Agnija, Straka, Michal, Stubbington, Rachel, Timm, Henn, Tyufekchieva, Violeta, Tziortzis, Iakovos, Vannevel, Rudy, Várbíró, Gábor, Velle, Gaute, Verdonschot, Ralf C. M., Vray, Sarah, and Haase, Peter

Abstract

Humans impact terrestrial, marine and freshwater ecosystems, yet many broad-scale studies have found no systematic, negative biodiversity changes (for example, decreasing abundance or taxon richness). Here we show that mixed biodiversity responses may arise because community metrics show variable responses to anthropogenic impacts across broad spatial scales. We first quantified temporal trends in anthropogenic impacts for 1,365 riverine invertebrate communities from 23 European countries, based on similarity to least-impacted reference communities. Reference comparisons provide necessary, but often missing, baselines for evaluating whether communities are negatively impacted or have improved (less or more similar, respectively). We then determined whether changing impacts were consistently reflected in metrics of community abundance, taxon richness, evenness and composition. Invertebrate communities improved, that is, became more similar to reference conditions, from 1992 until the 2010s, after which improvements plateaued. Improvements were generally reflected by higher taxon richness, providing evidence that certain community metrics can broadly indicate anthropogenic impacts. However, richness responses were highly variable among sites, and we found no consistent responses in community abundance, evenness or composition. These findings suggest that, without sufficient data and careful metric selection, many common community metrics cannot reliably reflect anthropogenic impacts, helping explain the prevalence of mixed biodiversity trends.

Published
2024

18. The relationships between biotic uniqueness and abiotic uniqueness are context dependent across drainage basins worldwide

Author

Snåre, Henna, García-Girón, Jorge, Alahuhta, Janne, Bini, Luis Mauricio, Boda, Pál, Bonada, Núria, Brasil, Leandro S., Callisto, Marcos, Castro, Diego M.P., Chen, Kai, Csabai, Zoltán, Datry, Thibault, Domisch, Sami, García-Marquez, Jaime R., Floury, Mathieu, Friberg, Nikolai, Gill, Brian A., González-Trujillo, Juan David, Göthe, Emma, Haase, Peter, Hamada, Neusa, Hill, Matthew J., Hjort, Jan, Juen, Leandro, Jupke, Jonathan F., de Faria, Ana Paula Justino, Li, Zhengfei, Ligeiro, Raphael, Linares, Marden S., Luiza-Andrade, Ana, Macedo, Diego R., Mathers, Kate L., Mellado-Diaz, Andres, Milosevic, Djuradj, Moya, Nabor, Poff, N. Le Roy, Rolls, Robert J., Roque, Fabio O., Saito, Victor S., Sandin, Leonard, Schäfer, Ralf B., Scotti, Alberto, Siqueira, Tadeu, Martins, Renato Tavares, Valente-Neto, Francisco, Wang, Beixin, Wang, Jun, Xie, Zhicai, Heino, Jani, Snåre, Henna, García-Girón, Jorge, Alahuhta, Janne, Bini, Luis Mauricio, Boda, Pál, Bonada, Núria, Brasil, Leandro S., Callisto, Marcos, Castro, Diego M.P., Chen, Kai, Csabai, Zoltán, Datry, Thibault, Domisch, Sami, García-Marquez, Jaime R., Floury, Mathieu, Friberg, Nikolai, Gill, Brian A., González-Trujillo, Juan David, Göthe, Emma, Haase, Peter, Hamada, Neusa, Hill, Matthew J., Hjort, Jan, Juen, Leandro, Jupke, Jonathan F., de Faria, Ana Paula Justino, Li, Zhengfei, Ligeiro, Raphael, Linares, Marden S., Luiza-Andrade, Ana, Macedo, Diego R., Mathers, Kate L., Mellado-Diaz, Andres, Milosevic, Djuradj, Moya, Nabor, Poff, N. Le Roy, Rolls, Robert J., Roque, Fabio O., Saito, Victor S., Sandin, Leonard, Schäfer, Ralf B., Scotti, Alberto, Siqueira, Tadeu, Martins, Renato Tavares, Valente-Neto, Francisco, Wang, Beixin, Wang, Jun, Xie, Zhicai, and Heino, Jani

Abstract

Context Global change, including land-use change and habitat degradation, has led to a decline in biodiversity, more so in freshwater than in terrestrial ecosystems. However, the research on freshwaters lags behind terrestrial and marine studies, highlighting the need for innovative approaches to comprehend freshwater biodiversity. Objectives We investigated patterns in the relationships between biotic uniqueness and abiotic environmental uniqueness in drainage basins worldwide. Methods We compiled high-quality data on aquatic insects (mayflies, stoneflies, and caddisflies at genus-level) from 42 drainage basins spanning four continents. Within each basin we calculated biotic uniqueness (local contribution to beta diversity, LCBD) of aquatic insect assemblages, and four types of abiotic uniqueness (local contribution to environmental heterogeneity, LCEH), categorized into upstream land cover, chemical soil properties, stream site landscape position, and climate. A mixed-effects meta-regression was performed across basins to examine variations in the strength of the LCBD-LCEH relationship in terms of latitude, human footprint, and major continental regions (the Americas versus Eurasia). Results On average, relationships between LCBD and LCEH were weak. However, the strength and direction of the relationship varied among the drainage basins. Latitude, human footprint index, or continental location did not explain significant variation in the strength of the LCBD-LCEH relationship. Conclusions We detected strong context dependence in the LCBD-LCEH relationship across the drainage basins. Varying environmental conditions and gradient lengths across drainage basins, land-use change, historical contingencies, and stochastic factors may explain these findings. This context dependence underscores the need for basin-specific management practices to protect the biodiversity of riverine systems., Context: Global change, including land-use change and habitat degradation, has led to a decline in biodiversity, more so in freshwater than in terrestrial ecosystems. However, the research on freshwaters lags behind terrestrial and marine studies, highlighting the need for innovative approaches to comprehend freshwater biodiversity. Objectives: We investigated patterns in the relationships between biotic uniqueness and abiotic environmental uniqueness in drainage basins worldwide. Methods: We compiled high-quality data on aquatic insects (mayflies, stoneflies, and caddisflies at genus-level) from 42 drainage basins spanning four continents. Within each basin we calculated biotic uniqueness (local contribution to beta diversity, LCBD) of aquatic insect assemblages, and four types of abiotic uniqueness (local contribution to environmental heterogeneity, LCEH), categorized into upstream land cover, chemical soil properties, stream site landscape position, and climate. A mixed-effects meta-regression was performed across basins to examine variations in the strength of the LCBD-LCEH relationship in terms of latitude, human footprint, and major continental regions (the Americas versus Eurasia). Results: On average, relationships between LCBD and LCEH were weak. However, the strength and direction of the relationship varied among the drainage basins. Latitude, human footprint index, or continental location did not explain significant variation in the strength of the LCBD-LCEH relationship. Conclusions: We detected strong context dependence in the LCBD-LCEH relationship across the drainage basins. Varying environmental conditions and gradient lengths across drainage basins, land-use change, historical contingencies, and stochastic factors may explain these findings. This context dependence underscores the need for basin-specific management practices to protect the biodiversity of riverine systems.

Published
2024

34. DISPERSE, a trait database to assess the dispersal potential of European aquatic macroinvertebrates

Author

Sarremejane, Romain, Cid, Núria, Stubbington, Rachel, Datry, Thibault, Alp, Maria, Cañedo-Argüelles, Miguel, Cordero-Rivera, Adolfo, Csabai, Zoltán, Gutiérrez-Cánovas, Cayetano, Heino, Jani, Forcellini, Maxence, Millán, Andrés, Paillex, Amael, Pařil, Petr, Polášek, Marek, Tierno de Figueroa, José Manuel, Usseglio-Polatera, Philippe, Zamora-Muñoz, Carmen, and Bonada, Núria

Published
2020
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42. The global EPTO database:Worldwide occurrences of aquatic insects

Author

Grigoropoulou, Afroditi, Hamid, Suhaila Ab, Acosta, Raúl, Akindele, Emmanuel Olusegun, Al‐Shami, Salman A., Altermatt, Florian, Amatulli, Giuseppe, Angeler, David G., Arimoro, Francis O., Aroviita, Jukka, Astorga‐Roine, Anna, Bastos, Rafael Costa, Bonada, Núria, Boukas, Nikos, Brand, Cecilia, Bremerich, Vanessa, Bush, Alex, Cai, Qinghua, Callisto, Marcos, Chen, Kai, Cruz, Paulo Vilela, Dangles, Olivier, Death, Russell, Deng, Xiling, Domínguez, Eduardo, Dudgeon, David, Eriksen, Tor Erik, Faria, Ana Paula J., Feio, Maria João, Fernández‐Aláez, Camino, Floury, Mathieu, García‐Criado, Francisco, García‐Girón, Jorge, Graf, Wolfram, Grönroos, Mira, Haase, Peter, Hamada, Neusa, He, Fengzhi, Heino, Jani, Holzenthal, Ralph, Huttunen, Kaisa‐Leena, Jacobsen, Dean, Jähnig, Sonja C., Jetz, Walter, Johnson, Richard K., Juen, Leandro, Kalkman, Vincent, Kati, Vassiliki, Keke, Unique N., Koroiva, Ricardo, Kuemmerlen, Mathias, Langhans, Simone Daniela, Ligeiro, Raphael, Van Looy, Kris, Maasri, Alain, Marchant, Richard, Garcia Marquez, Jaime Ricardo, Martins, Renato T., Melo, Adriano S., Metzeling, Leon, Miserendino, Maria Laura, Moe, S. Jannicke, Molineri, Carlos, Muotka, Timo, Mustonen, Kaisa‐Riikka, Mykrä, Heikki, Cavalcante do Nascimento, Jeane Marcelle, Valente‐Neto, Francisco, Neu, Peter J., Nieto, Carolina, Pauls, Steffen U., Paulson, Dennis R., Rios‐Touma, Blanca, Rodrigues, Marciel Elio, de Oliveira Roque, Fabio, Salazar Salina, Juan Carlos, Schmera, Dénes, Schmidt‐Kloiber, Astrid, Shah, Deep Narayan, Simaika, John P., Siqueira, Tadeu, Tachamo‐Shah, Ram Devi, Theischinger, Günther, Thompson, Ross, Tonkin, Jonathan D., Torres‐Cambas, Yusdiel, Townsend, Colin, Turak, Eren, Twardochleb, Laura, Wang, Beixin, Yanygina, Liubov, Zamora‐Muñoz, Carmen, Domisch, Sami, Grigoropoulou, Afroditi, Hamid, Suhaila Ab, Acosta, Raúl, Akindele, Emmanuel Olusegun, Al‐Shami, Salman A., Altermatt, Florian, Amatulli, Giuseppe, Angeler, David G., Arimoro, Francis O., Aroviita, Jukka, Astorga‐Roine, Anna, Bastos, Rafael Costa, Bonada, Núria, Boukas, Nikos, Brand, Cecilia, Bremerich, Vanessa, Bush, Alex, Cai, Qinghua, Callisto, Marcos, Chen, Kai, Cruz, Paulo Vilela, Dangles, Olivier, Death, Russell, Deng, Xiling, Domínguez, Eduardo, Dudgeon, David, Eriksen, Tor Erik, Faria, Ana Paula J., Feio, Maria João, Fernández‐Aláez, Camino, Floury, Mathieu, García‐Criado, Francisco, García‐Girón, Jorge, Graf, Wolfram, Grönroos, Mira, Haase, Peter, Hamada, Neusa, He, Fengzhi, Heino, Jani, Holzenthal, Ralph, Huttunen, Kaisa‐Leena, Jacobsen, Dean, Jähnig, Sonja C., Jetz, Walter, Johnson, Richard K., Juen, Leandro, Kalkman, Vincent, Kati, Vassiliki, Keke, Unique N., Koroiva, Ricardo, Kuemmerlen, Mathias, Langhans, Simone Daniela, Ligeiro, Raphael, Van Looy, Kris, Maasri, Alain, Marchant, Richard, Garcia Marquez, Jaime Ricardo, Martins, Renato T., Melo, Adriano S., Metzeling, Leon, Miserendino, Maria Laura, Moe, S. Jannicke, Molineri, Carlos, Muotka, Timo, Mustonen, Kaisa‐Riikka, Mykrä, Heikki, Cavalcante do Nascimento, Jeane Marcelle, Valente‐Neto, Francisco, Neu, Peter J., Nieto, Carolina, Pauls, Steffen U., Paulson, Dennis R., Rios‐Touma, Blanca, Rodrigues, Marciel Elio, de Oliveira Roque, Fabio, Salazar Salina, Juan Carlos, Schmera, Dénes, Schmidt‐Kloiber, Astrid, Shah, Deep Narayan, Simaika, John P., Siqueira, Tadeu, Tachamo‐Shah, Ram Devi, Theischinger, Günther, Thompson, Ross, Tonkin, Jonathan D., Torres‐Cambas, Yusdiel, Townsend, Colin, Turak, Eren, Twardochleb, Laura, Wang, Beixin, Yanygina, Liubov, Zamora‐Muñoz, Carmen, and Domisch, Sami

Abstract

Motivation: Aquatic insects comprise 64% of freshwater animal diversity and are widely used as bioindicators to assess water quality impairment and freshwater ecosystem health, as well as to test ecological hypotheses. Despite their importance, a comprehensive, global database of aquatic insect occurrences for mapping freshwater biodiversity in macroecological studies and applied freshwater research is missing. We aim to fill this gap and present the Global EPTO Database, which includes worldwide geo‐referenced aquatic insect occurrence records for four major taxa groups: Ephemeroptera, Plecoptera, Trichoptera and Odonata (EPTO). Main type of variables contained: A total of 8,368,467 occurrence records globally, of which 8,319,689 (99%) are publicly available. The records are attributed to the corresponding drainage basin and sub‐catchment based on the Hydrography90m dataset and are accompanied by the elevation value, the freshwater ecoregion and the protection status of their location. Spatial location and grain: The database covers the global extent, with 86% of the observation records having coordinates with at least four decimal digits (11.1 m precision at the equator) in the World Geodetic System 1984 (WGS84) coordinate reference system. Time period and grain: Sampling years span from 1951 to 2021. Ninety‐nine percent of the records have information on the year of the observation, 95% on the year and month, while 94% have a complete date. In the case of seven sub‐datasets, exact dates can be retrieved upon communication with the data contributors. Major taxa and level of measurement: Ephemeroptera, Plecoptera, Trichoptera and Odonata, standardized at the genus taxonomic level. We provide species names for 7,727,980 (93%) records without further taxonomic verification. Software format: The entire tab‐separated value (.csv) database can be downloaded and visualized at https://glowabio.org/project/epto_database/. Fifty individual datasets are also available at htt

Published
2023

43. Boosting freshwater fish conservation with high-resolution distribution mapping across a large territory

Author

Universidad de Sevilla. Departamento de Biología Vegetal y Ecología, Strategic Priority Research Program of Chinese Academy of Sciences, Second Tibetan PlateauScientific Expedition Program, National Key Research and Devel-opment Program of China, National Natural Science Foundation of China, Tao, Juan, Ding, Chengzhi, Chen, Jinnan, Ding, Liuyong, Brosse, Sebastien, Heino, Jani, Hermoso López, Virgilio, Wu, Ruidong, He, Dekui, Universidad de Sevilla. Departamento de Biología Vegetal y Ecología, Strategic Priority Research Program of Chinese Academy of Sciences, Second Tibetan PlateauScientific Expedition Program, National Key Research and Devel-opment Program of China, National Natural Science Foundation of China, Tao, Juan, Ding, Chengzhi, Chen, Jinnan, Ding, Liuyong, Brosse, Sebastien, Heino, Jani, Hermoso López, Virgilio, Wu, Ruidong, and He, Dekui

Abstract

The lack of high-resolution distribution maps for freshwater species across large extents fundamentally challenges biodiversity conservation worldwide. We devised a simple framework to delineate the distributions of freshwater fishes in a high-resolution drainage map based on stacked species distribution models and expert information. We applied this framework to the entire Chinese freshwater fish fauna (>1600 species) to examine high-resolution biodiversity patterns and reveal potential conflicts between freshwater biodiversity and anthropogenic disturbances. The correlations between spatial patterns of biodiversity facets (species richness, endemicity, and phylogenetic diversity) were all significant (r = 0.43–0.98, p < 0.001). Areas with high values of different biodiversity facets overlapped with anthropogenic disturbances. Existing protected areas (PAs), covering 22% of China's territory, protected 25–29% of fish habitats, 16–23% of species, and 30–31% of priority conservation areas. Moreover, 6–21% of the species were completely unprotected. These results suggest the need for extending the network of PAs to ensure the conservation of China's freshwater fishes and the goods and services they provide. Specifically, middle to low reaches of large rivers and their associated lakes from northeast to southwest China hosted the most diverse species assemblages and thus should be the target of future expansions of the network of PAs. More generally, our framework, which can be used to draw high-resolution freshwater biodiversity maps combining species occurrence data and expert knowledge on species distribution, provides an efficient way to design PAs regardless of the ecosystem, taxonomic group, or region considered.

Published
2023

44. Compositional breakpoints of freshwater plant communities across continents

Author

García-Girón, Jorge, Heino, Jani, Baastrup-Spohr, Lars, Clayton, John, Winton, Mary de, Feldmann, Tõnu, Fernández-Aláez, Camino, Ecke, Frauke, Grillas, Patrick, Hoyer, Mark V., Kolada, Agnieszka, Kosten, Sarian, Lukács, Balázs A., Mjelde, Marit, Mormul, Roger P., Rhazi, Laila, Rhazi, Mouhssine, Sass, Laura, Xu, Jun, Alahuhta, Janne, García-Girón, Jorge, Heino, Jani, Baastrup-Spohr, Lars, Clayton, John, Winton, Mary de, Feldmann, Tõnu, Fernández-Aláez, Camino, Ecke, Frauke, Grillas, Patrick, Hoyer, Mark V., Kolada, Agnieszka, Kosten, Sarian, Lukács, Balázs A., Mjelde, Marit, Mormul, Roger P., Rhazi, Laila, Rhazi, Mouhssine, Sass, Laura, Xu, Jun, and Alahuhta, Janne

Abstract

Unravelling patterns and mechanisms of biogeographical transitions is crucial if we are to understand compositional gradients at large spatial extents, but no studies have thus far examined breakpoints in community composition of freshwater plants across continents. Using a dataset of almost 500 observations of lake plant community composition from six continents, we examined, for the first time, if such breakpoints in geographical space exist for freshwater plants and how well a suite of ecological factors (including climatic and local environmental variables) can explain transitions in community composition from the subtropics to the poles. Our combination of multivariate regression tree (MRT) analysis and k-means partitioning suggests that the most abrupt breakpoint exists between temperate to boreal regions on the one hand and freshwater plant communities harbouring mainly subtropical or Mediterranean assemblages on the other. The spatially structured variation in current climatic conditions is the most likely candidate for controlling these latitudinal patterns, although one cannot rule out joint effects of eco-evolutionary constraints in the harsher high-latitude environments and post-glacial migration lags after Pleistocene Ice Ages. Overall, our study supports the foundations of global regionalisation for freshwater plants and anticipates further biogeographical research on freshwater plant communities once datasets have been harmonised for conducting large-scale spatial analyses.

Published
2023

45. The global EPTO database: Worldwide occurrences of aquatic insects

Author

Grigoropoulou, Afroditi, Hamid, Suhaila Ab, Acosta, Raúl, Akindele, Emmanuel Olusegun, Al‐Shami, Salman A., Altermatt, Florian, Amatulli, Giuseppe, Angeler, David G., Arimoro, Francis O., Aroviita, Jukka, Astorga‐Roine, Anna, Bastos, Rafael Costa, Bonada, Núria, Boukas, Nikos, Brand, Cecilia, Bremerich, Vanessa, Bush, Alex, Cai, Qinghua, Callisto, Marcos, Chen, Kai, Cruz, Paulo Vilela, Dangles, Olivier, Death, Russell, Deng, Xiling, Domínguez, Eduardo, Dudgeon, David, Eriksen, Tor Erik, Faria, Ana Paula J., Feio, Maria João, Fernández‐Aláez, Camino, Floury, Mathieu, García‐Criado, Francisco, García‐Girón, Jorge, Graf, Wolfram, Grönroos, Mira, Haase, Peter, Hamada, Neusa, He, Fengzhi, Heino, Jani, Holzenthal, Ralph, Huttunen, Kaisa‐Leena, Jacobsen, Dean, Jähnig, Sonja C., Jetz, Walter, Johnson, Richard K., Juen, Leandro, Kalkman, Vincent, Kati, Vassiliki, Keke, Unique N., Koroiva, Ricardo, Kuemmerlen, Mathias, Langhans, Simone Daniela, Ligeiro, Raphael, Van Looy, Kris, Maasri, Alain, Marchant, Richard, Garcia Marquez, Jaime Ricardo, Martins, Renato T., Melo, Adriano S., Metzeling, Leon, Miserendino, Maria Laura, Moe, S. Jannicke, Molineri, Carlos, Muotka, Timo, Mustonen, Kaisa‐Riikka, Mykrä, Heikki, Cavalcante do Nascimento, Jeane Marcelle, Valente‐Neto, Francisco, Neu, Peter J., Nieto, Carolina, Pauls, Steffen U., Paulson, Dennis R., Rios‐Touma, Blanca, Rodrigues, Marciel Elio, de Oliveira Roque, Fabio, Salazar Salina, Juan Carlos, Schmera, Dénes, Schmidt‐Kloiber, Astrid, Shah, Deep Narayan, Simaika, John P., Siqueira, Tadeu, Tachamo‐Shah, Ram Devi, Theischinger, Günther, Thompson, Ross, Tonkin, Jonathan D., Torres‐Cambas, Yusdiel, Townsend, Colin, Turak, Eren, Twardochleb, Laura, Wang, Beixin, Yanygina, Liubov, Zamora‐Muñoz, Carmen, Domisch, Sami, Grigoropoulou, Afroditi, Hamid, Suhaila Ab, Acosta, Raúl, Akindele, Emmanuel Olusegun, Al‐Shami, Salman A., Altermatt, Florian, Amatulli, Giuseppe, Angeler, David G., Arimoro, Francis O., Aroviita, Jukka, Astorga‐Roine, Anna, Bastos, Rafael Costa, Bonada, Núria, Boukas, Nikos, Brand, Cecilia, Bremerich, Vanessa, Bush, Alex, Cai, Qinghua, Callisto, Marcos, Chen, Kai, Cruz, Paulo Vilela, Dangles, Olivier, Death, Russell, Deng, Xiling, Domínguez, Eduardo, Dudgeon, David, Eriksen, Tor Erik, Faria, Ana Paula J., Feio, Maria João, Fernández‐Aláez, Camino, Floury, Mathieu, García‐Criado, Francisco, García‐Girón, Jorge, Graf, Wolfram, Grönroos, Mira, Haase, Peter, Hamada, Neusa, He, Fengzhi, Heino, Jani, Holzenthal, Ralph, Huttunen, Kaisa‐Leena, Jacobsen, Dean, Jähnig, Sonja C., Jetz, Walter, Johnson, Richard K., Juen, Leandro, Kalkman, Vincent, Kati, Vassiliki, Keke, Unique N., Koroiva, Ricardo, Kuemmerlen, Mathias, Langhans, Simone Daniela, Ligeiro, Raphael, Van Looy, Kris, Maasri, Alain, Marchant, Richard, Garcia Marquez, Jaime Ricardo, Martins, Renato T., Melo, Adriano S., Metzeling, Leon, Miserendino, Maria Laura, Moe, S. Jannicke, Molineri, Carlos, Muotka, Timo, Mustonen, Kaisa‐Riikka, Mykrä, Heikki, Cavalcante do Nascimento, Jeane Marcelle, Valente‐Neto, Francisco, Neu, Peter J., Nieto, Carolina, Pauls, Steffen U., Paulson, Dennis R., Rios‐Touma, Blanca, Rodrigues, Marciel Elio, de Oliveira Roque, Fabio, Salazar Salina, Juan Carlos, Schmera, Dénes, Schmidt‐Kloiber, Astrid, Shah, Deep Narayan, Simaika, John P., Siqueira, Tadeu, Tachamo‐Shah, Ram Devi, Theischinger, Günther, Thompson, Ross, Tonkin, Jonathan D., Torres‐Cambas, Yusdiel, Townsend, Colin, Turak, Eren, Twardochleb, Laura, Wang, Beixin, Yanygina, Liubov, Zamora‐Muñoz, Carmen, and Domisch, Sami

Abstract

Motivation Aquatic insects comprise 64% of freshwater animal diversity and are widely used as bioindicators to assess water quality impairment and freshwater ecosystem health, as well as to test ecological hypotheses. Despite their importance, a comprehensive, global database of aquatic insect occurrences for mapping freshwater biodiversity in macroecological studies and applied freshwater research is missing. We aim to fill this gap and present the Global EPTO Database, which includes worldwide geo-referenced aquatic insect occurrence records for four major taxa groups: Ephemeroptera, Plecoptera, Trichoptera and Odonata (EPTO). Main type of variables contained A total of 8,368,467 occurrence records globally, of which 8,319,689 (99%) are publicly available. The records are attributed to the corresponding drainage basin and sub-catchment based on the Hydrography90m dataset and are accompanied by the elevation value, the freshwater ecoregion and the protection status of their location. Spatial location and grain The database covers the global extent, with 86% of the observation records having coordinates with at least four decimal digits (11.1 m precision at the equator) in the World Geodetic System 1984 (WGS84) coordinate reference system. Time period and grain Sampling years span from 1951 to 2021. Ninety-nine percent of the records have information on the year of the observation, 95% on the year and month, while 94% have a complete date. In the case of seven sub-datasets, exact dates can be retrieved upon communication with the data contributors. Major taxa and level of measurement Ephemeroptera, Plecoptera, Trichoptera and Odonata, standardized at the genus taxonomic level. We provide species names for 7,727,980 (93%) records without further taxonomic verification. Software format The entire tab-separated value (.csv) database can be downloaded and visualized at https://glowabio.org/project/epto_database/. Fifty individual datasets are also available at https://f, INCT ADAPTA II funded by CNPq, Amazonas State Research Foundation ‐ FAPEAM, ANID Programa Regional, BIODIVERSA/FAPEAM, Universal/CNPq, Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100002347, CAPES‐Coordination for the Improvement of Higher Education Personnel, FAPEAM‐Program POSGRAD, Fundação de Amparo à Pesquisa do Estado de Minas Gerais http://dx.doi.org/10.13039/501100004901, INPA/ MCTI http://dx.doi.org/10.13039/501100003545, Leibniz Competition, Leibniz‐Gemeinschaft, National Council of Development for Scientific and Technological Development ‐ CNPq, Instituto Nacional de Pesquisas da Amazônia, unidade de pesquisa Ministério da Ciência, Tecnologia e Inovações (INPA/MCTI) http://dx.doi.org/10.13039/501100007188, Programa Peixe Vivo of the Companhia Energética de Minas Gerais, Rutherford Discovery Fellowship administered by the Royal Society Te Apārangi, Tertiary Education Commission http://dx.doi.org/10.13039/100007879, São Paulo Research Foundation (FAPESP) http://dx.doi.org/10.13039/501100001807, Foundation for Science and Technology http://dx.doi.org/10.13039/501100001871, Associate Laboratory ARNET, Principal Investigator CEEC, Peer Reviewed

Published
2023

46. The recovery of European freshwater biodiversity has come to a halt

Author

0000-0002-9340-0438, 0000-0002-7775-1668, 0000-0001-7948-106X, 0000-0002-8127-9335, 0000-0003-1235-6613, 0000-0002-6349-9561, 0000-0001-8839-5913, 0000-0002-4831-6958, 0000-0003-2709-5030, 0000-0003-2197-7470, 0000-0003-1897-2636, 0000-0002-4695-5932, 0000-0002-6352-3699, 0000-0003-3864-7451, 0000-0003-1700-2574, 0000-0003-2281-2491, 0000-0003-2962-7387, 0000-0003-0209-4648, 0000-0002-3391-3100, 0000-0001-5037-7509, 0000-0001-5247-4812, 0000-0003-2033-6399, 0000-0002-6358-8011, 0000-0003-0362-6802, 0000-0001-6740-3654, 0000-0002-4952-5807, 0000-0003-4921-2189, 0000-0001-6326-5653, 0000-0003-3367-3802, 0000-0002-6470-8919, 0000-0003-0488-1274, 0000-0003-2777-2759, 0000-0002-7238-2509, 0000-0002-4371-6434, 0000-0003-0239-9468, 0000-0002-3262-6396, 0000-0003-0920-773X, 0000-0003-3219-1772, 0000-0003-2102-7686, 0000-0003-3752-2040, 0000-0002-4708-1413, 0000-0002-7471-997X, 0000-0003-1848-3154, 0000-0003-3213-7135, 0000-0002-5932-3125, 0000-0001-5225-9557, 0000-0003-1766-0761, 0000-0003-3510-1701, 0000-0002-3656-417X, 0000-0001-9324-0430, 0000-0002-9315-7773, 0000-0002-8731-682X, 0000-0002-2382-9191, 0000-0001-5907-3472, 0000-0002-5603-271X, 0000-0002-4126-7452, 0000-0002-0977-5975, 0000-0002-6438-2349, 0000-0001-6944-3422, Haase, Peter, Bowler, Diana E., Baker, Nathan J., Bonada, Núria, Domisch, Sami, Garcia Marquez, Jaime R., Heino, Jani, Hering, Daniel, Jähnig, Sonja C., Schmidt-Kloiber, Astrid, Stubbington, Rachel, Altermatt, Florian, Álvarez-Cabria, Mario, Amatulli, Giuseppe, Angeler, David G., Archambaud-Suard, Gaït, Jorrín, Iñaki Arrate, Aspin, Thomas, Azpiroz, Iker, Bañares, Iñaki, Ortiz, José Barquín, Bodin, Christian L., Bonacina, Luca, Bottarin, Roberta, Cañedo-Argüelles, Miguel, Csabai, Zoltán, Datry, Thibault, de Eyto, Elvira, Dohet, Alain, Dörflinger, Gerald, Drohan, Emma, Eikland, Knut A., England, Judy, Eriksen, Tor E., Evtimova, Vesela, Feio, Maria J., Ferréol, Martial, Floury, Mathieu, Forcellini, Maxence, Forio, Marie Anne Eurie, Fornaroli, Riccardo, Friberg, Nikolai, Fruget, Jean-François, Georgieva, Galia, Goethals, Peter, Graça, Manuel A. S., Graf, Wolfram, House, Andy, Huttunen, Kaisa-Leena, Jensen, Thomas C., Johnson, Richard K, Jones, J Iwan, Kiesel, Jens, Kuglerová, Lenka, Larrañaga, Aitor, Leitner, Patrick, L'Hoste, Lionel, Lizée, Marie-Helène, Lorenz, Armin W., Maire, Anthony, Arnaiz, Jesús Alberto Manzanos, McKie, Brendan G., Millán, Andrés, Monteith, Don, Muotka, Timo, Murphy, John F., Ozolins, Davis, Paavola, Riku, Paril, Petr, Peñas, Francisco J., Pilotto, Francesca, Polášek, Marek, Rasmussen, Jes Jessen, Rubio, Manu, Sánchez-Fernández, David, Sandin, Leonard, Schäfer, Ralf B., Scotti, Alberto, Shen, Longzhu Q., Skuja, Agnija, Stoll, Stefan, Straka, Michal, Timm, Henn, Tyufekchieva, Violeta G., Tziortzis, Iakovos, Uzunov, Yordan, van der Lee, Gea H., Vannevel, Rudy, Varadinova, Emilia, Várbíró, Gábor, Velle, Gaute, Verdonschot, Piet F. M., Verdonschot, Ralf C. M., Vidinova, Yanka, Wiberg-Larsen, Peter, Welti, Ellen A. R., 0000-0002-9340-0438, 0000-0002-7775-1668, 0000-0001-7948-106X, 0000-0002-8127-9335, 0000-0003-1235-6613, 0000-0002-6349-9561, 0000-0001-8839-5913, 0000-0002-4831-6958, 0000-0003-2709-5030, 0000-0003-2197-7470, 0000-0003-1897-2636, 0000-0002-4695-5932, 0000-0002-6352-3699, 0000-0003-3864-7451, 0000-0003-1700-2574, 0000-0003-2281-2491, 0000-0003-2962-7387, 0000-0003-0209-4648, 0000-0002-3391-3100, 0000-0001-5037-7509, 0000-0001-5247-4812, 0000-0003-2033-6399, 0000-0002-6358-8011, 0000-0003-0362-6802, 0000-0001-6740-3654, 0000-0002-4952-5807, 0000-0003-4921-2189, 0000-0001-6326-5653, 0000-0003-3367-3802, 0000-0002-6470-8919, 0000-0003-0488-1274, 0000-0003-2777-2759, 0000-0002-7238-2509, 0000-0002-4371-6434, 0000-0003-0239-9468, 0000-0002-3262-6396, 0000-0003-0920-773X, 0000-0003-3219-1772, 0000-0003-2102-7686, 0000-0003-3752-2040, 0000-0002-4708-1413, 0000-0002-7471-997X, 0000-0003-1848-3154, 0000-0003-3213-7135, 0000-0002-5932-3125, 0000-0001-5225-9557, 0000-0003-1766-0761, 0000-0003-3510-1701, 0000-0002-3656-417X, 0000-0001-9324-0430, 0000-0002-9315-7773, 0000-0002-8731-682X, 0000-0002-2382-9191, 0000-0001-5907-3472, 0000-0002-5603-271X, 0000-0002-4126-7452, 0000-0002-0977-5975, 0000-0002-6438-2349, 0000-0001-6944-3422, Haase, Peter, Bowler, Diana E., Baker, Nathan J., Bonada, Núria, Domisch, Sami, Garcia Marquez, Jaime R., Heino, Jani, Hering, Daniel, Jähnig, Sonja C., Schmidt-Kloiber, Astrid, Stubbington, Rachel, Altermatt, Florian, Álvarez-Cabria, Mario, Amatulli, Giuseppe, Angeler, David G., Archambaud-Suard, Gaït, Jorrín, Iñaki Arrate, Aspin, Thomas, Azpiroz, Iker, Bañares, Iñaki, Ortiz, José Barquín, Bodin, Christian L., Bonacina, Luca, Bottarin, Roberta, Cañedo-Argüelles, Miguel, Csabai, Zoltán, Datry, Thibault, de Eyto, Elvira, Dohet, Alain, Dörflinger, Gerald, Drohan, Emma, Eikland, Knut A., England, Judy, Eriksen, Tor E., Evtimova, Vesela, Feio, Maria J., Ferréol, Martial, Floury, Mathieu, Forcellini, Maxence, Forio, Marie Anne Eurie, Fornaroli, Riccardo, Friberg, Nikolai, Fruget, Jean-François, Georgieva, Galia, Goethals, Peter, Graça, Manuel A. S., Graf, Wolfram, House, Andy, Huttunen, Kaisa-Leena, Jensen, Thomas C., Johnson, Richard K, Jones, J Iwan, Kiesel, Jens, Kuglerová, Lenka, Larrañaga, Aitor, Leitner, Patrick, L'Hoste, Lionel, Lizée, Marie-Helène, Lorenz, Armin W., Maire, Anthony, Arnaiz, Jesús Alberto Manzanos, McKie, Brendan G., Millán, Andrés, Monteith, Don, Muotka, Timo, Murphy, John F., Ozolins, Davis, Paavola, Riku, Paril, Petr, Peñas, Francisco J., Pilotto, Francesca, Polášek, Marek, Rasmussen, Jes Jessen, Rubio, Manu, Sánchez-Fernández, David, Sandin, Leonard, Schäfer, Ralf B., Scotti, Alberto, Shen, Longzhu Q., Skuja, Agnija, Stoll, Stefan, Straka, Michal, Timm, Henn, Tyufekchieva, Violeta G., Tziortzis, Iakovos, Uzunov, Yordan, van der Lee, Gea H., Vannevel, Rudy, Varadinova, Emilia, Várbíró, Gábor, Velle, Gaute, Verdonschot, Piet F. M., Verdonschot, Ralf C. M., Vidinova, Yanka, Wiberg-Larsen, Peter, and Welti, Ellen A. R.

Abstract

Owing to a long history of anthropogenic pressures, freshwater ecosystems are among the most vulnerable to biodiversity loss1. Mitigation measures, including wastewater treatment and hydromorphological restoration, have aimed to improve environmental quality and foster the recovery of freshwater biodiversity2. Here, using 1,816 time series of freshwater invertebrate communities collected across 22 European countries between 1968 and 2020, we quantified temporal trends in taxonomic and functional diversity and their responses to environmental pressures and gradients. We observed overall increases in taxon richness (0.73% per year), functional richness (2.4% per year) and abundance (1.17% per year). However, these increases primarily occurred before the 2010s, and have since plateaued. Freshwater communities downstream of dams, urban areas and cropland were less likely to experience recovery. Communities at sites with faster rates of warming had fewer gains in taxon richness, functional richness and abundance. Although biodiversity gains in the 1990s and 2000s probably reflect the effectiveness of water-quality improvements and restoration projects, the decelerating trajectory in the 2010s suggests that the current measures offer diminishing returns. Given new and persistent pressures on freshwater ecosystems, including emerging pollutants, climate change and the spread of invasive species, we call for additional mitigation to revive the recovery of freshwater biodiversity.

Published
2023

47. The recovery of European freshwater biodiversity has come to a halt

Author

Haase, Peter; https://orcid.org/0000-0002-9340-0438, Bowler, Diana E; https://orcid.org/0000-0002-7775-1668, Baker, Nathan J; https://orcid.org/0000-0001-7948-106X, Bonada, Núria, Domisch, Sami; https://orcid.org/0000-0002-8127-9335, Garcia Marquez, Jaime R, Heino, Jani; https://orcid.org/0000-0003-1235-6613, Hering, Daniel, Jähnig, Sonja C; https://orcid.org/0000-0002-6349-9561, Schmidt-Kloiber, Astrid; https://orcid.org/0000-0001-8839-5913, Stubbington, Rachel, Altermatt, Florian; https://orcid.org/0000-0002-4831-6958, Álvarez-Cabria, Mario; https://orcid.org/0000-0003-2709-5030, Amatulli, Giuseppe, Angeler, David G; https://orcid.org/0000-0003-2197-7470, Archambaud-Suard, Gaït, Jorrín, Iñaki Arrate, Aspin, Thomas, Azpiroz, Iker, Bañares, Iñaki, Ortiz, José Barquín; https://orcid.org/0000-0003-1897-2636, Bodin, Christian L, Bonacina, Luca; https://orcid.org/0000-0002-4695-5932, Bottarin, Roberta; https://orcid.org/0000-0002-6352-3699, Cañedo-Argüelles, Miguel; https://orcid.org/0000-0003-3864-7451, Csabai, Zoltán; https://orcid.org/0000-0003-1700-2574, Datry, Thibault, de Eyto, Elvira; https://orcid.org/0000-0003-2281-2491, Dohet, Alain; https://orcid.org/0000-0003-2962-7387, Dörflinger, Gerald; https://orcid.org/0000-0003-0209-4648, et al, Haase, Peter; https://orcid.org/0000-0002-9340-0438, Bowler, Diana E; https://orcid.org/0000-0002-7775-1668, Baker, Nathan J; https://orcid.org/0000-0001-7948-106X, Bonada, Núria, Domisch, Sami; https://orcid.org/0000-0002-8127-9335, Garcia Marquez, Jaime R, Heino, Jani; https://orcid.org/0000-0003-1235-6613, Hering, Daniel, Jähnig, Sonja C; https://orcid.org/0000-0002-6349-9561, Schmidt-Kloiber, Astrid; https://orcid.org/0000-0001-8839-5913, Stubbington, Rachel, Altermatt, Florian; https://orcid.org/0000-0002-4831-6958, Álvarez-Cabria, Mario; https://orcid.org/0000-0003-2709-5030, Amatulli, Giuseppe, Angeler, David G; https://orcid.org/0000-0003-2197-7470, Archambaud-Suard, Gaït, Jorrín, Iñaki Arrate, Aspin, Thomas, Azpiroz, Iker, Bañares, Iñaki, Ortiz, José Barquín; https://orcid.org/0000-0003-1897-2636, Bodin, Christian L, Bonacina, Luca; https://orcid.org/0000-0002-4695-5932, Bottarin, Roberta; https://orcid.org/0000-0002-6352-3699, Cañedo-Argüelles, Miguel; https://orcid.org/0000-0003-3864-7451, Csabai, Zoltán; https://orcid.org/0000-0003-1700-2574, Datry, Thibault, de Eyto, Elvira; https://orcid.org/0000-0003-2281-2491, Dohet, Alain; https://orcid.org/0000-0003-2962-7387, Dörflinger, Gerald; https://orcid.org/0000-0003-0209-4648, and et al

Abstract

Owing to a long history of anthropogenic pressures, freshwater ecosystems are among the most vulnerable to biodiversity loss$^{1}$. Mitigation measures, including wastewater treatment and hydromorphological restoration, have aimed to improve environmental quality and foster the recovery of freshwater biodiversity$^{2}$. Here, using 1,816 time series of freshwater invertebrate communities collected across 22 European countries between 1968 and 2020, we quantified temporal trends in taxonomic and functional diversity and their responses to environmental pressures and gradients. We observed overall increases in taxon richness (0.73% per year), functional richness (2.4% per year) and abundance (1.17% per year). However, these increases primarily occurred before the 2010s, and have since plateaued. Freshwater communities downstream of dams, urban areas and cropland were less likely to experience recovery. Communities at sites with faster rates of warming had fewer gains in taxon richness, functional richness and abundance. Although biodiversity gains in the 1990s and 2000s probably reflect the effectiveness of water-quality improvements and restoration projects, the decelerating trajectory in the 2010s suggests that the current measures offer diminishing returns. Given new and persistent pressures on freshwater ecosystems, including emerging pollutants, climate change and the spread of invasive species, we call for additional mitigation to revive the recovery of freshwater biodiversity.

Published
2023

50. Compositional breakpoints of freshwater plant communities across continents

Author

García-Girón, Jorge, primary, Heino, Jani, additional, Baastrup-Spohr, Lars, additional, Clayton, John, additional, de Winton, Mary, additional, Feldmann, Tõnu, additional, Fernández-Aláez, Camino, additional, Ecke, Frauke, additional, Grillas, Patrick, additional, Hoyer, Mark V., additional, Kolada, Agnieszka, additional, Kosten, Sarian, additional, Lukács, Balázs A., additional, Mjelde, Marit, additional, Mormul, Roger P., additional, Rhazi, Laila, additional, Rhazi, Mouhssine, additional, Sass, Laura, additional, Xu, Jun, additional, and Alahuhta, Janne, additional

Published
2023
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