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1. Early-season mass-flowering crop cover dilutes wild bee abundance and species richness in temperate regions : A quantitative synthesis

Author

Riggi, L.G.A., Raderschall, C.A., Fijen, T.P.M., Scheper, J., Smith, H.G., Kleijn, D., Holzschuh, A., Aguilera, G., Badenhausser, I., Bänsch, S., Beyer, N., Blitzer, E.J., Bommarco, R., Danforth, B., González-Varo, J.P., Grab, H., Le Provost, G., Poveda, K., Potts, S.G., Rundlöf, M., Steffan-Dewenter, I., Tscharntke, T., Vilà, M., Westphal, C., Berggren, Lundin, O., Riggi, L.G.A., Raderschall, C.A., Fijen, T.P.M., Scheper, J., Smith, H.G., Kleijn, D., Holzschuh, A., Aguilera, G., Badenhausser, I., Bänsch, S., Beyer, N., Blitzer, E.J., Bommarco, R., Danforth, B., González-Varo, J.P., Grab, H., Le Provost, G., Poveda, K., Potts, S.G., Rundlöf, M., Steffan-Dewenter, I., Tscharntke, T., Vilà, M., Westphal, C., Berggren, and Lundin, O.

Abstract

Pollinators benefit from increasing floral resources in agricultural landscapes, which could be an underexplored co-benefit of mass-flowering crop cultivation. However, the impacts of mass-flowering crops on pollinator communities are complex and appear to be context-dependent, mediated by factors such as crop flowering time and the availability of other flower resources in the landscape. A synthesis of research is needed to develop management recommendations for effective pollinator conservation in agroecosystems. By combining 22 datasets from 13 publications conducted in nine temperate countries (20 European, 2 North American), we investigated if mass-flowering crop flowering time (early or late season), bloom state (during or after crop flowering) and extent of non-crop habitat cover in the landscape moderated the effect of mass-flowering crop cover on wild pollinator abundance and species richness in mass-flowering crop and non-crop habitats. During bloom, wild bee abundance and richness are negatively related to mass-flowering crop cover. Dilution effects were predominant in crop habitats and early in the season, except for bumblebees, which declined with mass-flowering crop cover irrespective of habitat or season. Late in the season and in non-crop habitats, several of these negative relationships were either absent or reversed. Late-season mass-flowering crop cover is positively related to honeybee abundance in crop habitats and to other bee abundance in non-crop habitats. These results indicate that crop-adapted species, like honeybees, move to forage and concentrate on late-season mass-flowering crops at a time when flower availability in the landscape is limited, potentially alleviating competition for flower resources in non-crop habitats. We found no evidence of pollinators moving from mass-flowering crop to non-crop habitats after crop bloom. Synthesis and applications: Our results confirm that increasing early-season mass-flowering crop cover dilutes w

Published
2024

2. CropPol: A dynamic, open and global database on crop pollination

Author

Allen-Perkins, A, Magrach, A, Dainese, M, Garibaldi, LA, Kleijn, D, Rader, R, Reilly, JR, Winfree, R, Lundin, O, McGrady, CM, Brittain, C, Biddinger, DJ, Artz, DR, Elle, E, Hoffman, G, Ellis, JD, Daniels, J, Gibbs, J, Campbell, JW, Brokaw, J, Wilson, JK, Mason, K, Ward, KL, Gundersen, KB, Bobiwash, K, Gut, L, Rowe, LM, Boyle, NK, Williams, NM, Joshi, NK, Rothwell, N, Gillespie, RL, Isaacs, R, Fleischer, SJ, Peterson, SS, Rao, S, Pitts-Singer, TL, Fijen, T, Boreux, V, Rundlof, M, Viana, BF, Klein, A-M, Smith, HG, Bommarco, R, Carvalheiro, LG, Ricketts, TH, Ghazoul, J, Krishnan, S, Benjamin, FE, Loureiro, J, Castro, S, Raine, NE, de Groot, GA, Horgan, FG, Hipolito, J, Smagghe, G, Meeus, I, Eeraerts, M, Potts, SG, Kremen, C, Garcia, D, Minarro, M, Crowder, DW, Pisanty, G, Mandelik, Y, Vereecken, NJ, Leclercq, N, Weekers, T, Lindstrom, SAM, Stanley, DA, Zaragoza-Trello, C, Nicholson, CC, Scheper, J, Rad, C, Marks, EAN, Mota, L, Danforth, B, Park, M, Bezerra, ADM, Freitas, BM, Mallinger, RE, Oliveira da Silva, F, Willcox, B, Ramos, DL, da Silva e Silva, FD, Lazaro, A, Alomar, D, Gonzalez-Estevez, MA, Taki, H, Cariveau, DP, Garratt, MPD, Nabaes Jodar, DN, Stewart, RIA, Ariza, D, Pisman, M, Lichtenberg, EM, Schueepp, C, Herzog, F, Entling, MH, Dupont, YL, Michener, CD, Daily, GC, Ehrlich, PR, Burns, KLW, Vila, M, Robson, A, Howlett, B, Blechschmidt, L, Jauker, F, Schwarzbach, F, Nesper, M, Diekoetter, T, Wolters, V, Castro, H, Gaspar, H, Nault, BA, Badenhausser, I, Petersen, JD, Tscharntke, T, Bretagnolle, V, Willis Chan, DS, Chacoff, N, Andersson, GKS, Jha, S, Colville, JF, Veldtman, R, Coutinho, J, Bianchi, FJJA, Sutter, L, Albrecht, M, Jeanneret, P, Zou, Y, Averill, AL, Saez, A, Sciligo, AR, Vergara, CH, Bloom, EH, Oeller, E, Badano, EI, Loeb, GM, Grab, H, Ekroos, J, Gagic, V, Cunningham, SA, Astrom, J, Cavigliasso, P, Trillo, A, Classen, A, Mauchline, AL, Montero-Castano, A, Wilby, A, Woodcock, BA, Sidhu, CS, Steffan-Dewenter, I, Vogiatzakis, IN, Herrera, JM, Otieno, M, Gikungu, MW, Cusser, SJ, Nauss, T, Nilsson, L, Knapp, J, Ortega-Marcos, JJ, Gonzalez, JA, Osborne, JL, Blanche, R, Shaw, RF, Hevia, V, Stout, J, Arthur, AD, Blochtein, B, Szentgyorgyi, H, Li, J, Mayfield, MM, Woyciechowski, M, Nunes-Silva, P, Halinski de Oliveira, R, Henry, S, Simmons, BI, Dalsgaard, B, Hansen, K, Sritongchuay, T, O'Reilly, AD, Chamorro Garcia, FJ, Nates Parra, G, Magalhaes Pigozo, C, Bartomeus, I, Allen-Perkins, A, Magrach, A, Dainese, M, Garibaldi, LA, Kleijn, D, Rader, R, Reilly, JR, Winfree, R, Lundin, O, McGrady, CM, Brittain, C, Biddinger, DJ, Artz, DR, Elle, E, Hoffman, G, Ellis, JD, Daniels, J, Gibbs, J, Campbell, JW, Brokaw, J, Wilson, JK, Mason, K, Ward, KL, Gundersen, KB, Bobiwash, K, Gut, L, Rowe, LM, Boyle, NK, Williams, NM, Joshi, NK, Rothwell, N, Gillespie, RL, Isaacs, R, Fleischer, SJ, Peterson, SS, Rao, S, Pitts-Singer, TL, Fijen, T, Boreux, V, Rundlof, M, Viana, BF, Klein, A-M, Smith, HG, Bommarco, R, Carvalheiro, LG, Ricketts, TH, Ghazoul, J, Krishnan, S, Benjamin, FE, Loureiro, J, Castro, S, Raine, NE, de Groot, GA, Horgan, FG, Hipolito, J, Smagghe, G, Meeus, I, Eeraerts, M, Potts, SG, Kremen, C, Garcia, D, Minarro, M, Crowder, DW, Pisanty, G, Mandelik, Y, Vereecken, NJ, Leclercq, N, Weekers, T, Lindstrom, SAM, Stanley, DA, Zaragoza-Trello, C, Nicholson, CC, Scheper, J, Rad, C, Marks, EAN, Mota, L, Danforth, B, Park, M, Bezerra, ADM, Freitas, BM, Mallinger, RE, Oliveira da Silva, F, Willcox, B, Ramos, DL, da Silva e Silva, FD, Lazaro, A, Alomar, D, Gonzalez-Estevez, MA, Taki, H, Cariveau, DP, Garratt, MPD, Nabaes Jodar, DN, Stewart, RIA, Ariza, D, Pisman, M, Lichtenberg, EM, Schueepp, C, Herzog, F, Entling, MH, Dupont, YL, Michener, CD, Daily, GC, Ehrlich, PR, Burns, KLW, Vila, M, Robson, A, Howlett, B, Blechschmidt, L, Jauker, F, Schwarzbach, F, Nesper, M, Diekoetter, T, Wolters, V, Castro, H, Gaspar, H, Nault, BA, Badenhausser, I, Petersen, JD, Tscharntke, T, Bretagnolle, V, Willis Chan, DS, Chacoff, N, Andersson, GKS, Jha, S, Colville, JF, Veldtman, R, Coutinho, J, Bianchi, FJJA, Sutter, L, Albrecht, M, Jeanneret, P, Zou, Y, Averill, AL, Saez, A, Sciligo, AR, Vergara, CH, Bloom, EH, Oeller, E, Badano, EI, Loeb, GM, Grab, H, Ekroos, J, Gagic, V, Cunningham, SA, Astrom, J, Cavigliasso, P, Trillo, A, Classen, A, Mauchline, AL, Montero-Castano, A, Wilby, A, Woodcock, BA, Sidhu, CS, Steffan-Dewenter, I, Vogiatzakis, IN, Herrera, JM, Otieno, M, Gikungu, MW, Cusser, SJ, Nauss, T, Nilsson, L, Knapp, J, Ortega-Marcos, JJ, Gonzalez, JA, Osborne, JL, Blanche, R, Shaw, RF, Hevia, V, Stout, J, Arthur, AD, Blochtein, B, Szentgyorgyi, H, Li, J, Mayfield, MM, Woyciechowski, M, Nunes-Silva, P, Halinski de Oliveira, R, Henry, S, Simmons, BI, Dalsgaard, B, Hansen, K, Sritongchuay, T, O'Reilly, AD, Chamorro Garcia, FJ, Nates Parra, G, Magalhaes Pigozo, C, and Bartomeus, I

Abstract

Seventy five percent of the world's food crops benefit from insect pollination. Hence, there has been increased interest in how global change drivers impact this critical ecosystem service. Because standardized data on crop pollination are rarely available, we are limited in our capacity to understand the variation in pollination benefits to crop yield, as well as to anticipate changes in this service, develop predictions, and inform management actions. Here, we present CropPol, a dynamic, open, and global database on crop pollination. It contains measurements recorded from 202 crop studies, covering 3,394 field observations, 2,552 yield measurements (i.e., berry mass, number of fruits, and fruit density [kg/ha], among others), and 47,752 insect records from 48 commercial crops distributed around the globe. CropPol comprises 32 of the 87 leading global crops and commodities that are pollinator dependent. Malus domestica is the most represented crop (32 studies), followed by Brassica napus (22 studies), Vaccinium corymbosum (13 studies), and Citrullus lanatus (12 studies). The most abundant pollinator guilds recorded are honey bees (34.22% counts), bumblebees (19.19%), flies other than Syrphidae and Bombyliidae (13.18%), other wild bees (13.13%), beetles (10.97%), Syrphidae (4.87%), and Bombyliidae (0.05%). Locations comprise 34 countries distributed among Europe (76 studies), North America (60), Latin America and the Caribbean (29), Asia (20), Oceania (10), and Africa (7). Sampling spans three decades and is concentrated on 2001-2005 (21 studies), 2006-2010 (40), 2011-2015 (88), and 2016-2020 (50). This is the most comprehensive open global data set on measurements of crop flower visitors, crop pollinators and pollination to date, and we encourage researchers to add more datasets to this database in the future. This data set is released for non-commercial use only. Credits should be given to this paper (i.e., proper citation), and the products generated with this da

Published
2022

3. Configurational crop heterogeneity increases within-field plant diversity

Author

Alignier, A. (Audrey), Solé-Senan, X.O. (Xavier O.), Robleño, I. (Irene), Baraibar, B. (Bàrbara), Fahrig, L. (Lenore), Giralt, D. (David), Gross, N. (Nicolas), Martin, J.-L. (Jean-Louis), Recasens, J. (Jordi), Sirami, C. (Clélia), Siriwardena, G. (Gavin), Bosem Baillod, A. (Aliette), Bertrand, C. (Colette), Carrié, R. (Romain), Hass, A. (Annika), Henckel, L. (Laura), Miguet, P. (Paul), Badenhausser, I. (Isabelle), Baudry, J. (Jacques), Bota, G. (Gerard), Bretagnolle, V. (Vincent), Brotons, L. (Lluis), Burel, F. (Françoise), Calatayud, F. (François), Clough, Y. (Yann), Georges, R. (Romain), Gibon, A. (Annick), Girard, J. (Jude), Lindsay, K. (Kathryn), Minano, J. (Jesus), Mitchell, S. (Scott), Patry, N. (Nathalie), Poulin, B. (Brigitte), Tscharntke, T. (Teja), Vialatte, A. (Aude), Violle, C. (Cyrille), Yaverscovski, N. (Nicole), Batáry, P. (Péter), Alignier, A. (Audrey), Solé-Senan, X.O. (Xavier O.), Robleño, I. (Irene), Baraibar, B. (Bàrbara), Fahrig, L. (Lenore), Giralt, D. (David), Gross, N. (Nicolas), Martin, J.-L. (Jean-Louis), Recasens, J. (Jordi), Sirami, C. (Clélia), Siriwardena, G. (Gavin), Bosem Baillod, A. (Aliette), Bertrand, C. (Colette), Carrié, R. (Romain), Hass, A. (Annika), Henckel, L. (Laura), Miguet, P. (Paul), Badenhausser, I. (Isabelle), Baudry, J. (Jacques), Bota, G. (Gerard), Bretagnolle, V. (Vincent), Brotons, L. (Lluis), Burel, F. (Françoise), Calatayud, F. (François), Clough, Y. (Yann), Georges, R. (Romain), Gibon, A. (Annick), Girard, J. (Jude), Lindsay, K. (Kathryn), Minano, J. (Jesus), Mitchell, S. (Scott), Patry, N. (Nathalie), Poulin, B. (Brigitte), Tscharntke, T. (Teja), Vialatte, A. (Aude), Violle, C. (Cyrille), Yaverscovski, N. (Nicole), and Batáry, P. (Péter)

Abstract

Increasing landscape heterogeneity by restoring semi-natural elements to reverse farmland biodiversity declines is not always economically feasible or acceptable to farmers due to competition for land. We hypothesized that increasing the heterogeneity of the crop mosaic itself, hereafter referred to as crop heterogeneity, can have beneficial effects on within-field plant diversity. Using a unique multi-country dataset from a cross-continent collaborative project covering 1,451 agricultural fields within 432 landscapes in Europe and Canada, we assessed the relative effects of compositional and configurational crop heterogeneity on within-field plant diversity components. We also examined how these relationships were modulated by the position within the field. We found strong positive effects of configurational crop heterogeneity on within-field plant alpha and gamma diversity in field interiors. These effects were as high as the effect of semi-natural cover. In field borders, effects of crop heterogeneity were limited to alpha diversity. We suggest that a heterogeneous crop mosaic may overcome the high negative impact of management practices on plant diversity in field interiors, whereas in field borders, where plant diversity is already high, landscape effects are more limited. Synthesis and applications. Our study shows that increasing configurational crop heterogeneity is beneficial to within-field plant diversity. It opens up a new effective and complementary way to promote farmland biodiversity without taking land out of agricultural production. We therefore recommend adopting manipulation of crop heterogeneity as a specific, effective management option in future policy measures, perhaps adding to agri-environment schemes, to contribute to the conservation of farmland plant diversity.

Published
2020
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4. A global synthesis reveals biodiversity-mediated benefits for crop production

Author

Dainese, M., Martin, E. A., Aizen, Marcelo A., Albrecht, M., Bartomeus, I., Bommarco, R., Carvalheiro, L. G., Chaplin-Kramer, R., Gagic, V., Garibaldi, Lucas A., Ghazoul, J., Grab, H., Jonsson, M., Karp, D. S., Kennedy, Cristina M., Kleijn, D., Kremen, C., Landis, D. A., Letourneau, D. K., Marini, Lorenzo, Poveda, K., Rader, R., Smith, H. G., Tscharntke, T., Andersson, G. K. S., Badenhausser, I., Baensch, S., Bezerra, A. D. M., Bianchi, F. J. J. A., Boreux, V., Bretagnolle, V., Caballero-López, Berta, Cavigliasso, P., Cetkovic, Aleksandar, Chacoff, Natacha P., Classen, A., Cusser, S., Da Silva E Silva, F. D., Arjen De Groot, G., Dudenhöffer, J. H., Ekroos, J., Fijen, T., Franck, P., Freitas, B. M., Garratt, M. P. D., Gratton, C., Hipólito, J., Holzschuh, A., Hunt, L., Zaragoza-Trello, C., Dainese, M., Martin, E. A., Aizen, Marcelo A., Albrecht, M., Bartomeus, I., Bommarco, R., Carvalheiro, L. G., Chaplin-Kramer, R., Gagic, V., Garibaldi, Lucas A., Ghazoul, J., Grab, H., Jonsson, M., Karp, D. S., Kennedy, Cristina M., Kleijn, D., Kremen, C., Landis, D. A., Letourneau, D. K., Marini, Lorenzo, Poveda, K., Rader, R., Smith, H. G., Tscharntke, T., Andersson, G. K. S., Badenhausser, I., Baensch, S., Bezerra, A. D. M., Bianchi, F. J. J. A., Boreux, V., Bretagnolle, V., Caballero-López, Berta, Cavigliasso, P., Cetkovic, Aleksandar, Chacoff, Natacha P., Classen, A., Cusser, S., Da Silva E Silva, F. D., Arjen De Groot, G., Dudenhöffer, J. H., Ekroos, J., Fijen, T., Franck, P., Freitas, B. M., Garratt, M. P. D., Gratton, C., Hipólito, J., Holzschuh, A., Hunt, L., and Zaragoza-Trello, C.

Abstract

Human land use threatens global biodiversity and compromises multiple ecosystem functions critical to food production. Whether crop yield-related ecosystem services can be maintained by a few dominant species or rely on high richness remains unclear. Using a global database from 89 studies (with 1475 locations), we partition the relative importance of species richness, abundance, and dominance for pollination; biological pest control; and final yields in the context of ongoing land-use change. Pollinator and enemy richness directly supported ecosystem services in addition to and independent of abundance and dominance. Up to 50% of the negative effects of landscape simplification on ecosystem services was due to richness losses of service-providing organisms, with negative consequences for crop yields. Maintaining the biodiversity of ecosystem service providers is therefore vital to sustain the flow of key agroecosystem benefits to society.

Published
2019

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