Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?

Autores
Seabloom, Eric W.; Borer, Elizabeth T.; Buckley, Yvonne; Cleland, Elsa E.; Kendi, Davies; Firn, Jennifer; Hartpole, Stanley W.; Hautier, Yann; Lind, Eric; MacDougall, Andrew; Orrock, John L.; Prober, Suzanne M.; Adler, Peter; Alberti, Juan; Anderson, T. Michael; Bakker, Jonathan D.; Biederman, Lori A.; Blumenthal, Dana; Browns, Cynthia S.; Brudvig, Lars A.; Caldeira, Maria; Chu, Chengjin; Crawley, Michel; Daleo, Pedro; Damschen, Ellen I.; D'antonio, Carla; Decrappeo, Nicole; Dickman, Chris; Du, Guozhen; Fay, Philip; Frater, Paul; Gruner, Daniel S.; Hagenah, Nicole; Hector, Andrew; Helm, Avellina; Hillebrand, Helmut; Hofmockel, Kirsten; Humphries, Hope; Iribarne, Oscar Osvaldo; Jin, Virginia L.; Kay, Adam; Kirkman, Kevin; Klein, Julia; Knops, Johannes M. H.; La Pierre, Kimberly; Ladwig, Laura M.; Lambrinos, John G.; Leakey, Andrew; Li, Qi; Li, Wei; McCulley, Rebecca; Melbourne, Brett; Mitchell, Charles; Moore, Joslin; Morgan, John; Mortensen, Brent; O'Halloran, Lydia; Pärtel, Meelis; Pascual, Jesus Maria; Pyke, David A.; Risch, Anita; Salguero Goméz, Roberto; Sankaran, Mahesh; Schuetz, Martin; Simonsen, Anna; Smith, Melinda; Stevens, Carly; Sullivan, Lauren; Wardle, Glenda M.; Wolkovich, Elizabeth M.; Wragg, Peter D.; Wright, Justin; Yang, Louie
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Invasions have increased the size of regional species pools, but are typically assumed to reduce native diversity. Invasions have increased the size of regional species pools, but are typically assumed to reduce native diversity. However, global-scale tests of this assumption have been elusive because of the focus on exotic species richness, rather than relative abundance. This is problematic because low invader richness can indicate invasion resistance by the native community or, alternatively, dominance by a single exotic species. Here, we used a globally replicated study to quantify relationships between exotic richness and abundance in grass-dominated ecosystems in 13 countries on six continents, ranging from salt marshes to alpine tundra. We tested effects of human land use, native community diversity, herbivore pressure, and nutrient limitation on exotic plant dominance. Despite its widespread use, exotic richness was a poor proxy for exotic dominance at low exotic richness, because sites that contained few exotic species ranged from relatively pristine (low exotic richness and cover) to almost completely exotic-dominated ones (low exotic richness but high exotic cover). Both exotic cover and richness were predicted by native plant diversity (native grass richness) and land use (distance to cultivation). Although climate was important for predicting both exotic cover and richness, climatic factors predicting cover (precipitation variability) differed from those predicting richness (maximum temperature and mean temperature in the wettest quarter). Herbivory and nutrient limitation did not predict exotic richness or cover. Exotic dominance was greatest in areas with low native grass richness at the site- or regional-scale. Although this could reflect native grass displacement, a lack of biotic resistance is a more likely explanation, given that grasses comprise the most aggressive invaders. These findings underscore the need to move beyond richness as a surrogate for the extent of invasion, because this metric confounds monodominance with invasion resistance. Monitoring species' relative abundance will more rapidly advance our understanding of invasions.
Fil: Seabloom, Eric W.. University of Minnesota; Estados Unidos
Fil: Borer, Elizabeth T.. University of Minnesota; Estados Unidos
Fil: Buckley, Yvonne. The University Of Queensland; Australia
Fil: Cleland, Elsa E.. University of California, San Diego; Estados Unidos
Fil: Kendi, Davies. State University of Colorado Boulder; Estados Unidos
Fil: Firn, Jennifer. Queensland University of Technology. Brisbane; Australia
Fil: Hartpole, Stanley W.. Iowa State University; Estados Unidos
Fil: Hautier, Yann. University of Zurich; Suiza
Fil: Lind, Eric. Universidad de Minnesota; Estados Unidos
Fil: MacDougall, Andrew. University of Guelph; Canadá
Fil: Orrock, John L.. University of Wisconsin; Estados Unidos
Fil: Prober, Suzanne M.. CSIRO Ecosystem Sciences; Australia
Fil: Adler, Peter. Utah State University; Estados Unidos
Fil: Alberti, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Anderson, T. Michael. Wake Forest University; Estados Unidos
Fil: Bakker, Jonathan D.. University of Washington; Estados Unidos
Fil: Biederman, Lori A.. Iowa State University; Estados Unidos
Fil: Blumenthal, Dana. Rangeland Resources Research Unit; Estados Unidos
Fil: Browns, Cynthia S.. State University of Colorado - Fort Collins; Estados Unidos
Fil: Brudvig, Lars A.. Michigan State University; Estados Unidos
Fil: Caldeira, Maria. Technical University of Lisbon; Portugal
Fil: Chu, Chengjin. Lanzhou University; China
Fil: Crawley, Michel. Imperial College London; Reino Unido
Fil: Daleo, Pedro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Damschen, Ellen I.. University of Wisconsin; Estados Unidos
Fil: D'antonio, Carla. University of California; Estados Unidos
Fil: Decrappeo, Nicole. Geological Survey Forest and Rangeland Ecosystem Science Center; Estados Unidos
Fil: Dickman, Chris. University of Sydney; Australia
Fil: Du, Guozhen. Lanzhou University; China
Fil: Fay, Philip. Grassland Soil and Water Research Lab; Estados Unidos
Fil: Frater, Paul. Iowa State University; Estados Unidos
Fil: Gruner, Daniel S.. University of Queensland; Australia
Fil: Hagenah, Nicole. University of KwaZulu-Natal; Sudáfrica
Fil: Hector, Andrew. University of Zurich; Suiza
Fil: Helm, Avellina. University Of Tartu.; Estonia
Fil: Hillebrand, Helmut. Carl-von-Ossietzky University; Alemania
Fil: Hofmockel, Kirsten. Iowa State University; Estados Unidos
Fil: Humphries, Hope. State University of Colorado - Fort Collins; Estados Unidos
Fil: Iribarne, Oscar Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Jin, Virginia L.. Agroecosystem Management Research Unit; Estados Unidos
Fil: Kay, Adam. University of St. Thomas; Estados Unidos
Fil: Kirkman, Kevin. University of KwaZulu-Natal; Estonia
Fil: Klein, Julia. State University of Colorado - Fort Collins; Estados Unidos
Fil: Knops, Johannes M. H.. University Of Nebraska; Estados Unidos
Fil: La Pierre, Kimberly. Yale University; Estados Unidos
Fil: Ladwig, Laura M.. University Of New Mexico; Estados Unidos
Fil: Lambrinos, John G.. Oregon State University; Estados Unidos
Fil: Leakey, Andrew. University of Illinois at Urbana-Champaign; Estados Unidos
Fil: Li, Qi. Northwest Institute of Plateau Biology, Chinese Academy of Sciences; China
Fil: Li, Wei. Southwest Forestry University; China
Fil: McCulley, Rebecca. University Of Kentucky; Estados Unidos
Fil: Melbourne, Brett. State University of Colorado Boulder; Estados Unidos
Fil: Mitchell, Charles. University of North Carolina; Estados Unidos
Fil: Moore, Joslin. Australian Research Centre for Urban Ecology; Australia
Fil: Morgan, John. La Trobe University; Australia
Fil: Mortensen, Brent. Iowa State University; Estados Unidos
Fil: O'Halloran, Lydia. Oregon State University; Estados Unidos
Fil: Pärtel, Meelis. University Of Tartu.; Estonia
Fil: Pascual, Jesus Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Pyke, David A.. University of California; Estados Unidos
Fil: Risch, Anita. Swiss Federal Institute For Forest, Snow And Landscape Research; Suiza
Fil: Salguero Goméz, Roberto. The University Of Queensland; Australia
Fil: Sankaran, Mahesh. National Centre for Biological Sciences; India
Fil: Schuetz, Martin. Swiss Federal Institute For Forest, Snow And Landscape Research; Suiza
Fil: Simonsen, Anna. University of Toronto; Canadá
Fil: Smith, Melinda. State University of Colorado - Fort Collins; Estados Unidos
Fil: Stevens, Carly. Lancaster Environment Center; Canadá
Fil: Sullivan, Lauren. Iowa State University; Estados Unidos
Fil: Wardle, Glenda M.. University of Sydney; Australia
Fil: Wolkovich, Elizabeth M.. University of British Columbia; Canadá
Fil: Wragg, Peter D.. The University Of Queensland; Australia
Fil: Wright, Justin. University of Duke; Estados Unidos
Fil: Yang, Louie. University of California; Estados Unidos
Materia
Invasion
Grasslands
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/29305

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oai_identifier_str oai:ri.conicet.gov.ar:11336/29305
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?Seabloom, Eric W.Borer, Elizabeth T.Buckley, YvonneCleland, Elsa E.Kendi, DaviesFirn, JenniferHartpole, Stanley W.Hautier, YannLind, EricMacDougall, AndrewOrrock, John L.Prober, Suzanne M.Adler, PeterAlberti, JuanAnderson, T. MichaelBakker, Jonathan D.Biederman, Lori A.Blumenthal, DanaBrowns, Cynthia S.Brudvig, Lars A.Caldeira, MariaChu, ChengjinCrawley, MichelDaleo, PedroDamschen, Ellen I.D'antonio, CarlaDecrappeo, NicoleDickman, ChrisDu, GuozhenFay, PhilipFrater, PaulGruner, Daniel S.Hagenah, NicoleHector, AndrewHelm, AvellinaHillebrand, HelmutHofmockel, KirstenHumphries, HopeIribarne, Oscar OsvaldoJin, Virginia L.Kay, AdamKirkman, KevinKlein, JuliaKnops, Johannes M. H.La Pierre, KimberlyLadwig, Laura M.Lambrinos, John G.Leakey, AndrewLi, QiLi, WeiMcCulley, RebeccaMelbourne, BrettMitchell, CharlesMoore, JoslinMorgan, JohnMortensen, BrentO'Halloran, LydiaPärtel, MeelisPascual, Jesus MariaPyke, David A.Risch, AnitaSalguero Goméz, RobertoSankaran, MaheshSchuetz, MartinSimonsen, AnnaSmith, MelindaStevens, CarlySullivan, LaurenWardle, Glenda M.Wolkovich, Elizabeth M.Wragg, Peter D.Wright, JustinYang, LouieInvasionGrasslandshttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Invasions have increased the size of regional species pools, but are typically assumed to reduce native diversity. Invasions have increased the size of regional species pools, but are typically assumed to reduce native diversity. However, global-scale tests of this assumption have been elusive because of the focus on exotic species richness, rather than relative abundance. This is problematic because low invader richness can indicate invasion resistance by the native community or, alternatively, dominance by a single exotic species. Here, we used a globally replicated study to quantify relationships between exotic richness and abundance in grass-dominated ecosystems in 13 countries on six continents, ranging from salt marshes to alpine tundra. We tested effects of human land use, native community diversity, herbivore pressure, and nutrient limitation on exotic plant dominance. Despite its widespread use, exotic richness was a poor proxy for exotic dominance at low exotic richness, because sites that contained few exotic species ranged from relatively pristine (low exotic richness and cover) to almost completely exotic-dominated ones (low exotic richness but high exotic cover). Both exotic cover and richness were predicted by native plant diversity (native grass richness) and land use (distance to cultivation). Although climate was important for predicting both exotic cover and richness, climatic factors predicting cover (precipitation variability) differed from those predicting richness (maximum temperature and mean temperature in the wettest quarter). Herbivory and nutrient limitation did not predict exotic richness or cover. Exotic dominance was greatest in areas with low native grass richness at the site- or regional-scale. Although this could reflect native grass displacement, a lack of biotic resistance is a more likely explanation, given that grasses comprise the most aggressive invaders. These findings underscore the need to move beyond richness as a surrogate for the extent of invasion, because this metric confounds monodominance with invasion resistance. Monitoring species' relative abundance will more rapidly advance our understanding of invasions.Fil: Seabloom, Eric W.. University of Minnesota; Estados UnidosFil: Borer, Elizabeth T.. University of Minnesota; Estados UnidosFil: Buckley, Yvonne. The University Of Queensland; AustraliaFil: Cleland, Elsa E.. University of California, San Diego; Estados UnidosFil: Kendi, Davies. State University of Colorado Boulder; Estados UnidosFil: Firn, Jennifer. Queensland University of Technology. Brisbane; AustraliaFil: Hartpole, Stanley W.. Iowa State University; Estados UnidosFil: Hautier, Yann. University of Zurich; SuizaFil: Lind, Eric. Universidad de Minnesota; Estados UnidosFil: MacDougall, Andrew. University of Guelph; CanadáFil: Orrock, John L.. University of Wisconsin; Estados UnidosFil: Prober, Suzanne M.. CSIRO Ecosystem Sciences; AustraliaFil: Adler, Peter. Utah State University; Estados UnidosFil: Alberti, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; ArgentinaFil: Anderson, T. Michael. Wake Forest University; Estados UnidosFil: Bakker, Jonathan D.. University of Washington; Estados UnidosFil: Biederman, Lori A.. Iowa State University; Estados UnidosFil: Blumenthal, Dana. Rangeland Resources Research Unit; Estados UnidosFil: Browns, Cynthia S.. State University of Colorado - Fort Collins; Estados UnidosFil: Brudvig, Lars A.. Michigan State University; Estados UnidosFil: Caldeira, Maria. Technical University of Lisbon; PortugalFil: Chu, Chengjin. Lanzhou University; ChinaFil: Crawley, Michel. Imperial College London; Reino UnidoFil: Daleo, Pedro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; ArgentinaFil: Damschen, Ellen I.. University of Wisconsin; Estados UnidosFil: D'antonio, Carla. University of California; Estados UnidosFil: Decrappeo, Nicole. Geological Survey Forest and Rangeland Ecosystem Science Center; Estados UnidosFil: Dickman, Chris. University of Sydney; AustraliaFil: Du, Guozhen. Lanzhou University; ChinaFil: Fay, Philip. Grassland Soil and Water Research Lab; Estados UnidosFil: Frater, Paul. Iowa State University; Estados UnidosFil: Gruner, Daniel S.. University of Queensland; AustraliaFil: Hagenah, Nicole. University of KwaZulu-Natal; SudáfricaFil: Hector, Andrew. University of Zurich; SuizaFil: Helm, Avellina. University Of Tartu.; EstoniaFil: Hillebrand, Helmut. Carl-von-Ossietzky University; AlemaniaFil: Hofmockel, Kirsten. Iowa State University; Estados UnidosFil: Humphries, Hope. State University of Colorado - Fort Collins; Estados UnidosFil: Iribarne, Oscar Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; ArgentinaFil: Jin, Virginia L.. Agroecosystem Management Research Unit; Estados UnidosFil: Kay, Adam. University of St. Thomas; Estados UnidosFil: Kirkman, Kevin. University of KwaZulu-Natal; EstoniaFil: Klein, Julia. State University of Colorado - Fort Collins; Estados UnidosFil: Knops, Johannes M. H.. University Of Nebraska; Estados UnidosFil: La Pierre, Kimberly. Yale University; Estados UnidosFil: Ladwig, Laura M.. University Of New Mexico; Estados UnidosFil: Lambrinos, John G.. Oregon State University; Estados UnidosFil: Leakey, Andrew. University of Illinois at Urbana-Champaign; Estados UnidosFil: Li, Qi. Northwest Institute of Plateau Biology, Chinese Academy of Sciences; ChinaFil: Li, Wei. Southwest Forestry University; ChinaFil: McCulley, Rebecca. University Of Kentucky; Estados UnidosFil: Melbourne, Brett. State University of Colorado Boulder; Estados UnidosFil: Mitchell, Charles. University of North Carolina; Estados UnidosFil: Moore, Joslin. Australian Research Centre for Urban Ecology; AustraliaFil: Morgan, John. La Trobe University; AustraliaFil: Mortensen, Brent. Iowa State University; Estados UnidosFil: O'Halloran, Lydia. Oregon State University; Estados UnidosFil: Pärtel, Meelis. University Of Tartu.; EstoniaFil: Pascual, Jesus Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; ArgentinaFil: Pyke, David A.. University of California; Estados UnidosFil: Risch, Anita. Swiss Federal Institute For Forest, Snow And Landscape Research; SuizaFil: Salguero Goméz, Roberto. The University Of Queensland; AustraliaFil: Sankaran, Mahesh. National Centre for Biological Sciences; IndiaFil: Schuetz, Martin. Swiss Federal Institute For Forest, Snow And Landscape Research; SuizaFil: Simonsen, Anna. University of Toronto; CanadáFil: Smith, Melinda. State University of Colorado - Fort Collins; Estados UnidosFil: Stevens, Carly. Lancaster Environment Center; CanadáFil: Sullivan, Lauren. Iowa State University; Estados UnidosFil: Wardle, Glenda M.. University of Sydney; AustraliaFil: Wolkovich, Elizabeth M.. University of British Columbia; CanadáFil: Wragg, Peter D.. The University Of Queensland; AustraliaFil: Wright, Justin. University of Duke; Estados UnidosFil: Yang, Louie. University of California; Estados UnidosWiley2013-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/29305Seabloom, Eric W.; Borer, Elizabeth T.; Buckley, Yvonne; Cleland, Elsa E.; Kendi, Davies; et al.; Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?; Wiley; Global Change Biology; 19; 12; 8-2013; 3677-36871354-1013CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1111/gcb.12370info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/gcb.12370/abstractinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:10:55Zoai:ri.conicet.gov.ar:11336/29305instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:10:56.252CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?
title Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?
spellingShingle Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?
Seabloom, Eric W.
Invasion
Grasslands
title_short Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?
title_full Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?
title_fullStr Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?
title_full_unstemmed Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?
title_sort Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?
dc.creator.none.fl_str_mv Seabloom, Eric W.
Borer, Elizabeth T.
Buckley, Yvonne
Cleland, Elsa E.
Kendi, Davies
Firn, Jennifer
Hartpole, Stanley W.
Hautier, Yann
Lind, Eric
MacDougall, Andrew
Orrock, John L.
Prober, Suzanne M.
Adler, Peter
Alberti, Juan
Anderson, T. Michael
Bakker, Jonathan D.
Biederman, Lori A.
Blumenthal, Dana
Browns, Cynthia S.
Brudvig, Lars A.
Caldeira, Maria
Chu, Chengjin
Crawley, Michel
Daleo, Pedro
Damschen, Ellen I.
D'antonio, Carla
Decrappeo, Nicole
Dickman, Chris
Du, Guozhen
Fay, Philip
Frater, Paul
Gruner, Daniel S.
Hagenah, Nicole
Hector, Andrew
Helm, Avellina
Hillebrand, Helmut
Hofmockel, Kirsten
Humphries, Hope
Iribarne, Oscar Osvaldo
Jin, Virginia L.
Kay, Adam
Kirkman, Kevin
Klein, Julia
Knops, Johannes M. H.
La Pierre, Kimberly
Ladwig, Laura M.
Lambrinos, John G.
Leakey, Andrew
Li, Qi
Li, Wei
McCulley, Rebecca
Melbourne, Brett
Mitchell, Charles
Moore, Joslin
Morgan, John
Mortensen, Brent
O'Halloran, Lydia
Pärtel, Meelis
Pascual, Jesus Maria
Pyke, David A.
Risch, Anita
Salguero Goméz, Roberto
Sankaran, Mahesh
Schuetz, Martin
Simonsen, Anna
Smith, Melinda
Stevens, Carly
Sullivan, Lauren
Wardle, Glenda M.
Wolkovich, Elizabeth M.
Wragg, Peter D.
Wright, Justin
Yang, Louie
author Seabloom, Eric W.
author_facet Seabloom, Eric W.
Borer, Elizabeth T.
Buckley, Yvonne
Cleland, Elsa E.
Kendi, Davies
Firn, Jennifer
Hartpole, Stanley W.
Hautier, Yann
Lind, Eric
MacDougall, Andrew
Orrock, John L.
Prober, Suzanne M.
Adler, Peter
Alberti, Juan
Anderson, T. Michael
Bakker, Jonathan D.
Biederman, Lori A.
Blumenthal, Dana
Browns, Cynthia S.
Brudvig, Lars A.
Caldeira, Maria
Chu, Chengjin
Crawley, Michel
Daleo, Pedro
Damschen, Ellen I.
D'antonio, Carla
Decrappeo, Nicole
Dickman, Chris
Du, Guozhen
Fay, Philip
Frater, Paul
Gruner, Daniel S.
Hagenah, Nicole
Hector, Andrew
Helm, Avellina
Hillebrand, Helmut
Hofmockel, Kirsten
Humphries, Hope
Iribarne, Oscar Osvaldo
Jin, Virginia L.
Kay, Adam
Kirkman, Kevin
Klein, Julia
Knops, Johannes M. H.
La Pierre, Kimberly
Ladwig, Laura M.
Lambrinos, John G.
Leakey, Andrew
Li, Qi
Li, Wei
McCulley, Rebecca
Melbourne, Brett
Mitchell, Charles
Moore, Joslin
Morgan, John
Mortensen, Brent
O'Halloran, Lydia
Pärtel, Meelis
Pascual, Jesus Maria
Pyke, David A.
Risch, Anita
Salguero Goméz, Roberto
Sankaran, Mahesh
Schuetz, Martin
Simonsen, Anna
Smith, Melinda
Stevens, Carly
Sullivan, Lauren
Wardle, Glenda M.
Wolkovich, Elizabeth M.
Wragg, Peter D.
Wright, Justin
Yang, Louie
author_role author
author2 Borer, Elizabeth T.
Buckley, Yvonne
Cleland, Elsa E.
Kendi, Davies
Firn, Jennifer
Hartpole, Stanley W.
Hautier, Yann
Lind, Eric
MacDougall, Andrew
Orrock, John L.
Prober, Suzanne M.
Adler, Peter
Alberti, Juan
Anderson, T. Michael
Bakker, Jonathan D.
Biederman, Lori A.
Blumenthal, Dana
Browns, Cynthia S.
Brudvig, Lars A.
Caldeira, Maria
Chu, Chengjin
Crawley, Michel
Daleo, Pedro
Damschen, Ellen I.
D'antonio, Carla
Decrappeo, Nicole
Dickman, Chris
Du, Guozhen
Fay, Philip
Frater, Paul
Gruner, Daniel S.
Hagenah, Nicole
Hector, Andrew
Helm, Avellina
Hillebrand, Helmut
Hofmockel, Kirsten
Humphries, Hope
Iribarne, Oscar Osvaldo
Jin, Virginia L.
Kay, Adam
Kirkman, Kevin
Klein, Julia
Knops, Johannes M. H.
La Pierre, Kimberly
Ladwig, Laura M.
Lambrinos, John G.
Leakey, Andrew
Li, Qi
Li, Wei
McCulley, Rebecca
Melbourne, Brett
Mitchell, Charles
Moore, Joslin
Morgan, John
Mortensen, Brent
O'Halloran, Lydia
Pärtel, Meelis
Pascual, Jesus Maria
Pyke, David A.
Risch, Anita
Salguero Goméz, Roberto
Sankaran, Mahesh
Schuetz, Martin
Simonsen, Anna
Smith, Melinda
Stevens, Carly
Sullivan, Lauren
Wardle, Glenda M.
Wolkovich, Elizabeth M.
Wragg, Peter D.
Wright, Justin
Yang, Louie
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
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author
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dc.subject.none.fl_str_mv Invasion
Grasslands
topic Invasion
Grasslands
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Invasions have increased the size of regional species pools, but are typically assumed to reduce native diversity. Invasions have increased the size of regional species pools, but are typically assumed to reduce native diversity. However, global-scale tests of this assumption have been elusive because of the focus on exotic species richness, rather than relative abundance. This is problematic because low invader richness can indicate invasion resistance by the native community or, alternatively, dominance by a single exotic species. Here, we used a globally replicated study to quantify relationships between exotic richness and abundance in grass-dominated ecosystems in 13 countries on six continents, ranging from salt marshes to alpine tundra. We tested effects of human land use, native community diversity, herbivore pressure, and nutrient limitation on exotic plant dominance. Despite its widespread use, exotic richness was a poor proxy for exotic dominance at low exotic richness, because sites that contained few exotic species ranged from relatively pristine (low exotic richness and cover) to almost completely exotic-dominated ones (low exotic richness but high exotic cover). Both exotic cover and richness were predicted by native plant diversity (native grass richness) and land use (distance to cultivation). Although climate was important for predicting both exotic cover and richness, climatic factors predicting cover (precipitation variability) differed from those predicting richness (maximum temperature and mean temperature in the wettest quarter). Herbivory and nutrient limitation did not predict exotic richness or cover. Exotic dominance was greatest in areas with low native grass richness at the site- or regional-scale. Although this could reflect native grass displacement, a lack of biotic resistance is a more likely explanation, given that grasses comprise the most aggressive invaders. These findings underscore the need to move beyond richness as a surrogate for the extent of invasion, because this metric confounds monodominance with invasion resistance. Monitoring species' relative abundance will more rapidly advance our understanding of invasions.
Fil: Seabloom, Eric W.. University of Minnesota; Estados Unidos
Fil: Borer, Elizabeth T.. University of Minnesota; Estados Unidos
Fil: Buckley, Yvonne. The University Of Queensland; Australia
Fil: Cleland, Elsa E.. University of California, San Diego; Estados Unidos
Fil: Kendi, Davies. State University of Colorado Boulder; Estados Unidos
Fil: Firn, Jennifer. Queensland University of Technology. Brisbane; Australia
Fil: Hartpole, Stanley W.. Iowa State University; Estados Unidos
Fil: Hautier, Yann. University of Zurich; Suiza
Fil: Lind, Eric. Universidad de Minnesota; Estados Unidos
Fil: MacDougall, Andrew. University of Guelph; Canadá
Fil: Orrock, John L.. University of Wisconsin; Estados Unidos
Fil: Prober, Suzanne M.. CSIRO Ecosystem Sciences; Australia
Fil: Adler, Peter. Utah State University; Estados Unidos
Fil: Alberti, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Anderson, T. Michael. Wake Forest University; Estados Unidos
Fil: Bakker, Jonathan D.. University of Washington; Estados Unidos
Fil: Biederman, Lori A.. Iowa State University; Estados Unidos
Fil: Blumenthal, Dana. Rangeland Resources Research Unit; Estados Unidos
Fil: Browns, Cynthia S.. State University of Colorado - Fort Collins; Estados Unidos
Fil: Brudvig, Lars A.. Michigan State University; Estados Unidos
Fil: Caldeira, Maria. Technical University of Lisbon; Portugal
Fil: Chu, Chengjin. Lanzhou University; China
Fil: Crawley, Michel. Imperial College London; Reino Unido
Fil: Daleo, Pedro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Damschen, Ellen I.. University of Wisconsin; Estados Unidos
Fil: D'antonio, Carla. University of California; Estados Unidos
Fil: Decrappeo, Nicole. Geological Survey Forest and Rangeland Ecosystem Science Center; Estados Unidos
Fil: Dickman, Chris. University of Sydney; Australia
Fil: Du, Guozhen. Lanzhou University; China
Fil: Fay, Philip. Grassland Soil and Water Research Lab; Estados Unidos
Fil: Frater, Paul. Iowa State University; Estados Unidos
Fil: Gruner, Daniel S.. University of Queensland; Australia
Fil: Hagenah, Nicole. University of KwaZulu-Natal; Sudáfrica
Fil: Hector, Andrew. University of Zurich; Suiza
Fil: Helm, Avellina. University Of Tartu.; Estonia
Fil: Hillebrand, Helmut. Carl-von-Ossietzky University; Alemania
Fil: Hofmockel, Kirsten. Iowa State University; Estados Unidos
Fil: Humphries, Hope. State University of Colorado - Fort Collins; Estados Unidos
Fil: Iribarne, Oscar Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Jin, Virginia L.. Agroecosystem Management Research Unit; Estados Unidos
Fil: Kay, Adam. University of St. Thomas; Estados Unidos
Fil: Kirkman, Kevin. University of KwaZulu-Natal; Estonia
Fil: Klein, Julia. State University of Colorado - Fort Collins; Estados Unidos
Fil: Knops, Johannes M. H.. University Of Nebraska; Estados Unidos
Fil: La Pierre, Kimberly. Yale University; Estados Unidos
Fil: Ladwig, Laura M.. University Of New Mexico; Estados Unidos
Fil: Lambrinos, John G.. Oregon State University; Estados Unidos
Fil: Leakey, Andrew. University of Illinois at Urbana-Champaign; Estados Unidos
Fil: Li, Qi. Northwest Institute of Plateau Biology, Chinese Academy of Sciences; China
Fil: Li, Wei. Southwest Forestry University; China
Fil: McCulley, Rebecca. University Of Kentucky; Estados Unidos
Fil: Melbourne, Brett. State University of Colorado Boulder; Estados Unidos
Fil: Mitchell, Charles. University of North Carolina; Estados Unidos
Fil: Moore, Joslin. Australian Research Centre for Urban Ecology; Australia
Fil: Morgan, John. La Trobe University; Australia
Fil: Mortensen, Brent. Iowa State University; Estados Unidos
Fil: O'Halloran, Lydia. Oregon State University; Estados Unidos
Fil: Pärtel, Meelis. University Of Tartu.; Estonia
Fil: Pascual, Jesus Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Pyke, David A.. University of California; Estados Unidos
Fil: Risch, Anita. Swiss Federal Institute For Forest, Snow And Landscape Research; Suiza
Fil: Salguero Goméz, Roberto. The University Of Queensland; Australia
Fil: Sankaran, Mahesh. National Centre for Biological Sciences; India
Fil: Schuetz, Martin. Swiss Federal Institute For Forest, Snow And Landscape Research; Suiza
Fil: Simonsen, Anna. University of Toronto; Canadá
Fil: Smith, Melinda. State University of Colorado - Fort Collins; Estados Unidos
Fil: Stevens, Carly. Lancaster Environment Center; Canadá
Fil: Sullivan, Lauren. Iowa State University; Estados Unidos
Fil: Wardle, Glenda M.. University of Sydney; Australia
Fil: Wolkovich, Elizabeth M.. University of British Columbia; Canadá
Fil: Wragg, Peter D.. The University Of Queensland; Australia
Fil: Wright, Justin. University of Duke; Estados Unidos
Fil: Yang, Louie. University of California; Estados Unidos
description Invasions have increased the size of regional species pools, but are typically assumed to reduce native diversity. Invasions have increased the size of regional species pools, but are typically assumed to reduce native diversity. However, global-scale tests of this assumption have been elusive because of the focus on exotic species richness, rather than relative abundance. This is problematic because low invader richness can indicate invasion resistance by the native community or, alternatively, dominance by a single exotic species. Here, we used a globally replicated study to quantify relationships between exotic richness and abundance in grass-dominated ecosystems in 13 countries on six continents, ranging from salt marshes to alpine tundra. We tested effects of human land use, native community diversity, herbivore pressure, and nutrient limitation on exotic plant dominance. Despite its widespread use, exotic richness was a poor proxy for exotic dominance at low exotic richness, because sites that contained few exotic species ranged from relatively pristine (low exotic richness and cover) to almost completely exotic-dominated ones (low exotic richness but high exotic cover). Both exotic cover and richness were predicted by native plant diversity (native grass richness) and land use (distance to cultivation). Although climate was important for predicting both exotic cover and richness, climatic factors predicting cover (precipitation variability) differed from those predicting richness (maximum temperature and mean temperature in the wettest quarter). Herbivory and nutrient limitation did not predict exotic richness or cover. Exotic dominance was greatest in areas with low native grass richness at the site- or regional-scale. Although this could reflect native grass displacement, a lack of biotic resistance is a more likely explanation, given that grasses comprise the most aggressive invaders. These findings underscore the need to move beyond richness as a surrogate for the extent of invasion, because this metric confounds monodominance with invasion resistance. Monitoring species' relative abundance will more rapidly advance our understanding of invasions.
publishDate 2013
dc.date.none.fl_str_mv 2013-08
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/29305
Seabloom, Eric W.; Borer, Elizabeth T.; Buckley, Yvonne; Cleland, Elsa E.; Kendi, Davies; et al.; Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?; Wiley; Global Change Biology; 19; 12; 8-2013; 3677-3687
1354-1013
CONICET Digital
CONICET
url http://hdl.handle.net/11336/29305
identifier_str_mv Seabloom, Eric W.; Borer, Elizabeth T.; Buckley, Yvonne; Cleland, Elsa E.; Kendi, Davies; et al.; Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?; Wiley; Global Change Biology; 19; 12; 8-2013; 3677-3687
1354-1013
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1111/gcb.12370
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/gcb.12370/abstract
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley
publisher.none.fl_str_mv Wiley
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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