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Habitat characterization, occupancy and detection probability of the Endangered and endemic Junin giant frog Telmatobius macrostomus

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dc.contributor.author Watson, A. S.
dc.contributor.author Fitzgerald, A. L.
dc.contributor.author Baldeon, O. J. D.
dc.contributor.author Elias, R. K.
dc.date.accessioned 2019-01-25T16:20:58Z
dc.date.available 2019-01-25T16:20:58Z
dc.date.issued 2017
dc.identifier.uri https://hdl.handle.net/20.500.12866/4822
dc.description.abstract The Junin giant frog Telmatobius macrostomus (Peters, 1873) is an Endangered and endemic frog in the central Andes of Peru. However, no quantitative ecological data exist to facilitate characterization of T. macrostomus habitat, nor do estimates of occupancy and detection probability, all of which are vital to inform appropriate management decisions. We present novel data on the current distribution and habitat of T. macrostomus in 3 natural protected areas in the regions of Junin and Pasco, Peru. To provide a general description of the areas where T. macrostomus occurred and did not occur, we measured a variety of physical, chemical, and biological conditions. We found T. macrostomus in fewer than half the streams surveyed for an estimated occupancy and detection probability of 0.40 +/- 0.11 SE and 0.84 +/- 0.06 SE, respectively. Akaike's information criterion (AIC) indicates that of the 20 single-variable models constructed during this study, 5 were substantially associated with T. macrostomus occurrence (Delta corrected AIC [Delta AICc] < 2). The % Chironomidae metric of benthic macroinvertebrate communities at sampled sites best predicted the occurrence of T. macrostomus, followed by pH. Specific conductance, % silt and rainbow trout Oncorhynchus mykiss were also associated with T. macrostomus occurrence. Although the most parsimonious multi-variable occupancy model only included % Chironomidae, pH and rainbow trout as predictive variables of T. macrostomus occurrence, the other single-variable models with apparent influence over T. macrostomus occurrence may also be used to identify adequate areas for Junin giant frog conservation. en_US
dc.language.iso eng
dc.publisher Inter Research
dc.relation.ispartof urn:issn:1613-4796
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Biodiversity & Conservation en_US
dc.subject peru en_US
dc.subject absence en_US
dc.subject andes en_US
dc.subject Detection probability en_US
dc.subject Endangered amphibians en_US
dc.subject estimating site occupancy en_US
dc.subject extinction en_US
dc.subject Habitat en_US
dc.subject Junin giant frog en_US
dc.subject Occupancy en_US
dc.subject Telmatobius macrostomus en_US
dc.subject Wildlife conservation en_US
dc.title Habitat characterization, occupancy and detection probability of the Endangered and endemic Junin giant frog Telmatobius macrostomus en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.3354/esr00821
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.02.00 es_PE
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#1.06.13

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