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DOI 10.1111/ele.13838
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Title (Primary) Species loss due to nutrient addition increases with spatial scale in global grasslands
Author Seabloom, E.W.; Batzer, E.; Chase, J.M.; Harpole, W.S. ORCID logo ; Adler, P.B.; Bagchi, S.; Bakker, J.D.; Barrio, I.C.; Biederman, L.; Boughton, E.H.; Bugalho, M.N.; Caldeira, M.C.; Catford, J.A.; Daleo, P.; Eisenhauer, N.; Eskelinen, A.; Haider, S.; Hallett, L.M.; Jónsdóttir, I.S.; Kimmel, K.; Kuhlman, M.; MacDougall, A.; Molina, C.D.; Moore, J.L.; Morgan, J.W.; Muthukrishnan, R.; Ohlert, T.; Risch, A.C.; Roscher, C.; Schütz, M.; Sonnier, G.; Tognetti, P.M.; Virtanen, R.; Wilfahrt, P.A.; Borer, E.T.
Source Titel Ecology Letters
Year 2021
Department iDiv; PHYDIV
Volume 24
Issue 10
Page From 2100
Page To 2112
Language englisch
Topic T5 Future Landscapes
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Keywords biodiversity; community ecology; grasslands; herbivores; nutrients
Abstract The effects of altered nutrient supplies and herbivore density on species diversity vary with spatial scale, because coexistence mechanisms are scale dependent. This scale dependence may alter the shape of the species–area relationship (SAR), which can be described by changes in species richness (S) as a power function of the sample area (A): S = cAz, where c and z are constants. We analysed the effects of experimental manipulations of nutrient supply and herbivore density on species richness across a range of scales (0.01–75 m2) at 30 grasslands in 10 countries. We found that nutrient addition reduced the number of species that could co-occur locally, indicated by the SAR intercepts (log c), but did not affect the SAR slopes (z). As a result, proportional species loss due to nutrient enrichment was largely unchanged across sampling scales, whereas total species loss increased over threefold across our range of sampling scales.
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Seabloom, E.W., Batzer, E., Chase, J.M., Harpole, W.S., Adler, P.B., Bagchi, S., Bakker, J.D., Barrio, I.C., Biederman, L., Boughton, E.H., Bugalho, M.N., Caldeira, M.C., Catford, J.A., Daleo, P., Eisenhauer, N., Eskelinen, A., Haider, S., Hallett, L.M., Jónsdóttir, I.S., Kimmel, K., Kuhlman, M., MacDougall, A., Molina, C.D., Moore, J.L., Morgan, J.W., Muthukrishnan, R., Ohlert, T., Risch, A.C., Roscher, C., Schütz, M., Sonnier, G., Tognetti, P.M., Virtanen, R., Wilfahrt, P.A., Borer, E.T. (2021):
Species loss due to nutrient addition increases with spatial scale in global grasslands
Ecol. Lett. 24 (10), 2100 - 2112 10.1111/ele.13838