Species loss due to nutrient addition increases with spatial scale in global grasslands

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

Authors

  • Eric W. Seabloom
  • Evan Batzer
  • Jonathan M. Chase
  • W. Stanley Harpole
  • Peter B. Adler
  • Sumanta Bagchi
  • Jonathan D. Bakker
  • Isabel C. Barrio
  • Lori Biederman
  • Elizabeth H. Boughton
  • Miguel N. Bugalho
  • Maria C. Caldeira
  • Jane A. Catford
  • Pedro Daleo
  • Nico Eisenhauer
  • Anu Eskelinen
  • Lauren M. Hallett
  • Ingibjörg Svala Jónsdóttir
  • Kaitlin Kimmel
  • Marirose Kuhlman
  • Andrew MacDougall
  • Cecilia D. Molina
  • Joslin L. Moore
  • John W. Morgan
  • Ranjan Muthukrishnan
  • Timothy Ohlert
  • Anita C. Risch
  • Christiane Roscher
  • Martin Schütz
  • Grégory Sonnier
  • Pedro M. Tognetti
  • Risto Virtanen
  • Peter A. Wilfahrt
  • Elizabeth T. Borer
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 un-changed across sampling scales, whereas total species loss increased over threefold across our range of sampling scales.
OriginalspracheEnglisch
ZeitschriftEcology Letters
Jahrgang24
Ausgabenummer10
Seiten (von - bis)2100-2112
Anzahl der Seiten13
ISSN1461-023X
DOIs
PublikationsstatusErschienen - 01.10.2021
Extern publiziertJa

Bibliographische Notiz

Publisher Copyright:
© 2021 John Wiley & Sons Ltd.

    Fachgebiete

  • Biologie - biodiversity, community ecology, grasslands, herbivores, nutrients

DOI

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