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dc.contributor.author
Hierro, Jose Luis
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dc.contributor.author
Lortie, Christopher J.
dc.contributor.author
Villarreal, Diego
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dc.contributor.author
Estanga Mollica, María E.
dc.contributor.author
Callaway, Ragan M.
dc.date.available
2019-08-14T14:50:19Z
dc.date.issued
2011-10
dc.identifier.citation
Hierro, Jose Luis; Lortie, Christopher J.; Villarreal, Diego; Estanga Mollica, María E.; Callaway, Ragan M.; Resistance to Centaurea solstitialis invasion from annual and perennial grasses in California and Argentina; Springer; Biological Invasions; 13; 10; 10-2011; 2249-2259
dc.identifier.issn
1387-3547
dc.identifier.uri
http://hdl.handle.net/11336/81596
dc.description.abstract
A common explanation for Centaurea solstitialis invasion in California is that it occupies an "empty niche" created by the replacement of native perennial grasses by exotic annual grasses and concomitant increases in soil water availability. This hypothesis, however, cannot explain C. solstitialis invasion into perennial-dominated grasslands of central Argentina. We assessed invasibility of annual versus perennial grass communities in these regions through parallel field experiments where we created grass plots and, after one year of establishment, measured effects on water and light, and added C. solstitialis seeds in two successive trials. Additionally, we removed vegetation around naturally occurring C. solstitialis in both regions, and examined the performance of Californian and Argentinean C. solstitialis individuals when growing under common conditions simulating climate in California and Argentina. In California, both grass types offered high resistance to C. solstitialis invasion, water was generally greater under perennials than annuals, and light was similarly low beneath both types. In Argentina, invasibility was generally greater in annual than perennial plots, water was similar between groups, and light was much greater beneath annuals. Removal experiments showed that competition from annual grasses in California and perennial grasses in Argentina greatly reduce C. solstitialis performance. Additionally, Californian and Argentinean individuals did not exhibit genetic differentiation in studied traits. Our results suggest that dominant plant functional groups in both California and Argentina offer substantial resistance to C. solstitialis invasion. The success of this species might be tightly linked to a remarkable ability to take advantage of disturbance in both regions.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Biotic Resistance
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Empty Niche Hypothesis
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Functional Groups
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Invasibility
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Plant Removal Experiments
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Seed Addition Experiments
dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Resistance to Centaurea solstitialis invasion from annual and perennial grasses in California and Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-08-13T19:16:23Z
dc.journal.volume
13
dc.journal.number
10
dc.journal.pagination
2249-2259
dc.journal.pais
Alemania
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dc.journal.ciudad
Berlin
dc.description.fil
Fil: Hierro, Jose Luis. Universidad Nacional de La Pampa; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; Argentina
dc.description.fil
Fil: Lortie, Christopher J.. York University; Canadá
dc.description.fil
Fil: Villarreal, Diego. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Estanga Mollica, María E.. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Callaway, Ragan M.. The University of Montana; Estados Unidos
dc.journal.title
Biological Invasions
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s10530-011-0037-4
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1007/s10530-011-0037-4
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