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DOI 10.1111/ele.13102
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Title (Primary) Spatial heterogeneity in species composition constrains plant community responses to herbivory and fertilisation
Author Hodapp, D.; Borer, E.T.; Harpole, W.S. ORCID logo ; Lind, E.M.; Seabloom, E.W.; Adler, P.B.; Alberti, J.; Arnillas, C.A.; Bakker, J.D.; Biederman, L.; Cadotte, M.; Cleland, E.E.; Collins, S.; Fay, P.A.; Firn, J.; Hagenah, N.; Hautier, Y.; Iribarne, O.; Knops, J.M.H.; McCulley, R.L.; MacDougall, A.; Moore, J.L.; Morgan, J.W.; Mortensen, B.; La Pierre, K.J.; Risch, A.C.; Schütz, M.; Peri, P.; Stevens, C.J.; Wright, J.; Hillebrand, H.
Source Titel Ecology Letters
Year 2018
Department iDiv; PHYDIV
Volume 21
Issue 9
Page From 1364
Page To 1371
Language englisch
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Keywords Beta diversity; diversity; fertilisation; grassland; nitrogen; Nutrient Network (NutNet); spatial heterogeneity; species composition; temporal turnover
Abstract Environmental change can result in substantial shifts in community composition. The associated immigration and extinction events are likely constrained by the spatial distribution of species. Still, studies on environmental change typically quantify biotic responses at single spatial (time series within a single plot) or temporal (spatial beta diversity at single time points) scales, ignoring their potential interdependence. Here, we use data from a global network of grassland experiments to determine how turnover responses to two major forms of environmental change – fertilisation and herbivore loss – are affected by species pool size and spatial compositional heterogeneity. Fertilisation led to higher rates of local extinction, whereas turnover in herbivore exclusion plots was driven by species replacement. Overall, sites with more spatially heterogeneous composition showed significantly higher rates of annual turnover, independent of species pool size and treatment. Taking into account spatial biodiversity aspects will therefore improve our understanding of consequences of global and anthropogenic change on community dynamics.
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Hodapp, D., Borer, E.T., Harpole, W.S., Lind, E.M., Seabloom, E.W., Adler, P.B., Alberti, J., Arnillas, C.A., Bakker, J.D., Biederman, L., Cadotte, M., Cleland, E.E., Collins, S., Fay, P.A., Firn, J., Hagenah, N., Hautier, Y., Iribarne, O., Knops, J.M.H., McCulley, R.L., MacDougall, A., Moore, J.L., Morgan, J.W., Mortensen, B., La Pierre, K.J., Risch, A.C., Schütz, M., Peri, P., Stevens, C.J., Wright, J., Hillebrand, H. (2018):
Spatial heterogeneity in species composition constrains plant community responses to herbivory and fertilisation
Ecol. Lett. 21 (9), 1364 - 1371 10.1111/ele.13102