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dc.contributor.authorKenison, Erin K.
dc.contributor.authorLitt, Andrea R.
dc.contributor.authorPilliod, David S.
dc.contributor.authorMcMahon, Thomas E.
dc.date.accessioned2016-12-08T21:03:03Z
dc.date.available2016-12-08T21:03:03Z
dc.date.issued2016-04
dc.identifier.citationKenison, Erin K. , Andrea R. Litt, David S. Pilliod, and Tom E. McMahon. "Role of habitat complexity in predator-prey dynamics between an introduced fish and larval Long-toed Salamanders (Ambystoma macrodactylum)." Canadian Journal of Zoology 94, no. 4 (April 2016): 243-249. DOI:https://dx.doi.org/10.1139/cjz-2015-0160.en_US
dc.identifier.issn1480-3283
dc.identifier.urihttps://scholarworks.montana.edu/xmlui/handle/1/12356
dc.description.abstractPredation by nonnative fishes has reduced abundance and increased extinction risk for amphibian populations worldwide. Although rare, fish and palatable amphibians have been observed to coexist where aquatic vegetation and structural complexity provide suitable refugia. We examined whether larval Long-toed Salamanders (Ambystoma macrodactylum Baird, 1850) increased use of vegetation cover in lakes with trout and whether adding vegetation structure could reduce predation risk and nonconsumptive effects (NCEs), such as reductions in body size and delayed metamorphosis. We compared use of vegetation cover by larval salamanders in lakes with and without trout and conducted a field experiment to investigate the influence of added vegetation structure on salamander body morphology and life history. The probability of catching salamanders in traps in lakes with trout was positively correlated with the proportion of submerged vegetation and surface cover. Growth rates of salamanders in enclosures with trout cues decreased as much as 85% and the probability of metamorphosis decreased by 56%. We did not find evidence that adding vegetation reduced NCEs in experimental enclosures, but salamanders in lakes with trout used more highly vegetated areas, which suggests that adding vegetation structure at the scale of the whole lake may facilitate coexistence between salamanders and introduced trout.en_US
dc.language.isoen_USen_US
dc.subjectAmbystoma macrodactylumen_US
dc.subjectLong-toed Salamanderen_US
dc.subjectgrowth rateen_US
dc.subjectpredator cuesen_US
dc.subjectrefuge useen_US
dc.titleRole of habitat complexity in predator-prey dynamics between an introduced fish and larval Long-toed Salamanders (Ambystoma macrodactylum)en_US
dc.typeArticleen_US
mus.citation.extentfirstpage243en_US
mus.citation.extentlastpage249en_US
mus.citation.issue4en_US
mus.citation.journaltitleCanadian Journal of Zoologyen_US
mus.citation.volume94en_US
mus.identifier.categoryLife Sciences & Earth Sciencesen_US
mus.identifier.doihttps://dx.doi.org/10.1139/cjz-2015-0160en_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.departmentEcology.en_US
mus.relation.universityMontana State University - Bozemanen_US


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