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Plant species origin predicts dominance and response to nutrient enrichment and herbivores in global grasslands

  • Eric W. Seabloom*
  • , Elizabeth T. Borer
  • , Yvonne M. Buckley
  • , Elsa E. Cleland
  • , Kendi F. Davies
  • , Jennifer Firn
  • , W. Stanley Harpole
  • , Yann Hautier
  • , Eric M. Lind
  • , Andrew S. Macdougall
  • , John L. Orrock
  • , Suzanne M. Prober
  • , Peter B. Adler
  • , T. Michael Anderson
  • , Jonathan D. Bakker
  • , Lori A. Biederman
  • , Dana M. Blumenthal
  • , Cynthia S. Brown
  • , Lars A. Brudvig
  • , Marc Cadotte
  • Chengjin Chu, Kathryn L. Cottingham, Michael J. Crawley, Ellen I. Damschen, Carla M. Dantonio, Nicole M. Decrappeo, Guozhen Du, Philip A. Fay, Paul Frater, Daniel S. Gruner, Nicole Hagenah, Andy Hector, Helmut Hillebrand, Kirsten S. Hofmockel, Hope C. Humphries, Virginia L. Jin, Adam Kay, Kevin P. Kirkman, Julia A. Klein, Johannes M.H. Knops, Kimberly J. La Pierre, Laura Ladwig, John G. Lambrinos, Qi Li, Wei Li, Robin Marushia, Rebecca L. Mcculley, Brett A. Melbourne, Charles E. Mitchell, Joslin L. Moore, John Morgan, Brent Mortensen, Lydia R. O'halloran, David A. Pyke, Anita C. Risch, Mahesh Sankaran, Martin Schuetz, Anna Simonsen, Melinda D. Smith, Carly J. Stevens, Lauren Sullivan, Elizabeth Wolkovich, Peter D. Wragg, Justin Wright, Louie Yang
*Corresponding author for this work
  • University of Minnesota Twin Cities
  • University of Queensland
  • Trinity College Dublin
  • University of California at San Diego
  • University of Colorado Boulder
  • Queensland University of Technology
  • Helmholtz Centre for Environmental Research
  • German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig
  • Martin Luther University Halle-Wittenberg
  • Utrecht University
  • University of Guelph
  • University of Wisconsin-Madison
  • CSIRO
  • Utah State University
  • Wake Forest University
  • University of Washington
  • Iowa State University
  • United States Department of Agriculture
  • Colorado State University
  • Michigan State University
  • University of Toronto
  • Lanzhou University
  • Dartmouth College
  • Imperial College London
  • University of California at Santa Barbara
  • United States Geological Survey
  • University of Maryland, College Park
  • University of KwaZulu-Natal
  • Yale University
  • University of Oxford
  • University of Oldenburg
  • University of St. Thomas, Minnesota
  • University of Nebraska-Lincoln
  • University of California at Berkeley
  • University of New Mexico
  • Oregon State University
  • CAS - Northwest Institute of Plateau Biology
  • Southwest Forestry University
  • University of Kentucky
  • La Trobe University
  • University of North Carolina at Chapel Hill
  • University of Melbourne
  • Monash University
  • Swiss Federal Institute for Forest, Snow and Landscape Research
  • Tata Institute of Fundamental Research
  • Lancaster University
  • University of British Columbia
  • Duke University
  • University of California at Davis

Research output: Contribution to journalArticlepeer-review

171 Citations (Scopus)

Abstract

Exotic species dominate many communities; however the functional significance of species biogeographic origin remains highly contentious. This debate is fuelled in part by the lack of globally replicated, systematic data assessing the relationship between species provenance, function and response to perturbations. We examined the abundance of native and exotic plant species at 64 grasslands in 13 countries, and at a subset of the sites we experimentally tested native and exotic species responses to two fundamental drivers of invasion, mineral nutrient supplies and vertebrate herbivory. Exotic species are six times more likely to dominate communities than native species. Furthermore, while experimental nutrient addition increases the cover and richness of exotic species, nutrients decrease native diversity and cover. Native and exotic species also differ in their response to vertebrate consumer exclusion. These results suggest that species origin has functional significance, and that eutrophication will lead to increased exotic dominance in grasslands.

Original languageEnglish
Article number7710
JournalNature Communications
Volume6
DOIs
Publication statusPublished - 15 Jul 2015
Externally publishedYes

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