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dc.contributor.authorLitt, Andrea R.
dc.contributor.authorPearson, Dean E.
dc.date.accessioned2022-11-17T17:03:29Z
dc.date.available2022-11-17T17:03:29Z
dc.date.issued2022-05
dc.identifier.citationLitt, A.R., Pearson, D.E. A functional ecology framework for understanding and predicting animal responses to plant invasion. Biol Invasions 24, 2693–2705 (2022). https://doi.org/10.1007/s10530-022-02813-7en_US
dc.identifier.issn1387-3547
dc.identifier.urihttps://scholarworks.montana.edu/xmlui/handle/1/17381
dc.descriptionThis version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s10530-022-02813-7en_US
dc.description.abstractPlant invasions can alter food resources and habitat conditions that structure animal communities. These effects are negative for many native animals, but neutral or even positive for others. Understanding why we see this variation in responses is critical for mitigating invasion outcomes, yet we lack a synthetic framework to explain and potentially predict effects of invasive plants on native animals. We propose a trait-based framework for understanding how invasive plants affect native fauna, which draws on community assembly, niche, and trait theories to define the mechanisms by which invasive plants alter ecological conditions relevant to native animals. This approach moves beyond prior frameworks by explicitly accounting for the context dependency that defines most ecological interactions and invasion outcomes. Namely, by characterizing the plant community in terms of functional effect traits (e.g., seed size) relevant to consumers and quantifying those traits along a consumer resource axis, we can map the functional relationship between plant resources and animals. We can then delineate how plant invaders alter the plant community and associated resource axes to restructure consumer communities. We apply this framework to case studies of rodents, spiders, and birds to demonstrate the process and explore its utility. For example, we show that by focusing on how a nonnative grass altered seed sizes (relative to the native plant community), we can better understand declines in abundance of granivorous rodents and increases in opportunists. This approach can elucidate which native animals will be most likely affected by plant invasion, as well as how and why they might respond. Moreover, these mechanistic explanations provide working hypotheses for how invasive plants impact native animals more generally, with potential for predicting impacts of future invaders.en_US
dc.language.isoen_USen_US
dc.publisherSpringer Science and Business Media LLCen_US
dc.rightscopyright Springer Science and Business Media LLC 2022en_US
dc.rights.urihttps://perma.cc/KDW9-RWNUen_US
dc.subjectCommunity assemblyen_US
dc.subjectConceptual frameworken_US
dc.subjectFunctional traitsen_US
dc.subjectNiche theoryen_US
dc.subjectPlant invasionen_US
dc.subjectWildlifeen_US
dc.titleA functional ecology framework for understanding and predicting animal responses to plant invasionen_US
dc.typeArticleen_US
mus.citation.extentfirstpage1en_US
mus.citation.extentlastpage22en_US
mus.citation.issue9en_US
mus.citation.journaltitleBiological Invasionsen_US
mus.citation.volume24en_US
mus.identifier.doi10.1007/s10530-022-02813-7en_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.departmentEcology.en_US
mus.relation.universityMontana State University - Bozemanen_US


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