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Abstract:

The Neotropical river otter Lontra longicaudis is a top predator in many South and Central American aquatic freshwater systems. Its current category in the International Union for Conservation of Nature is "data deficient," which makes it imperative to determine the appropriate conservation status. We applied species distribution models to build a map of habitat suitabilities, and to identify possible anthropogenic factors that affect the presence of L. longicaudis in the Lower Delta of the Paraná River in the Southern Cone of South America. Presence/absence of L. longicaudis was obtained using 3 methodologies (sign surveys, camera traps, and interviews) and 15 environmental predictors. Habitat suitability was higher in areas with polders built for forestry, and lower in areas with human settlements and boat traffic. At present, geographic isolation and control of access on private land and reserves appear to be effective at protecting wildlife in the Paraná Delta. Our study demonstrates that species distribution models can be used for rapidly evaluating potential threats to wildlife. © 2014 American Society of Mammalogists.

Registro:

Documento: Artículo
Título:Habitat suitability and anthropogenic correlates of Neotropical river otter (Lontra longicaudis) distribution
Autor:Gomez, J.J.; Túnez, J.I.; Fracassi, N.; Cassini, M.H.
Filiación:Grupo de Estudios en Ecología de Mamíferos, Departamento de Ciencias Básicas, Universidad Nacional de Luján, Rutas 5 y 7, 6700 Luján, Argentina
Laboratorio de Biología Del Comportamiento, Instituto de Biología y Medicina Experimental, Obligado 2490, 1463 Buenos Aires, Argentina
Área Recursos Naturales, Estación Experimental Agropecuaria Delta, Paraná de Las Palmas y Canal L. Comas, Buenos Aires, Argentina
Palabras clave:flooding pulse; poaching; wetland; wildlife conservation; anthropogenic effect; correlation; flooding; human settlement; mustelid; nature conservation; poaching; spatial distribution; Argentina; Parana Delta
Año:2014
Volumen:95
Número:4
Página de inicio:824
Página de fin:833
DOI: http://dx.doi.org/10.1644/13-MAMM-A-265
Título revista:Journal of Mammalogy
Título revista abreviado:J. Mammal.
ISSN:00222372
CODEN:JOMAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00222372_v95_n4_p824_Gomez

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Citas:

---------- APA ----------
Gomez, J.J., Túnez, J.I., Fracassi, N. & Cassini, M.H. (2014) . Habitat suitability and anthropogenic correlates of Neotropical river otter (Lontra longicaudis) distribution. Journal of Mammalogy, 95(4), 824-833.
http://dx.doi.org/10.1644/13-MAMM-A-265
---------- CHICAGO ----------
Gomez, J.J., Túnez, J.I., Fracassi, N., Cassini, M.H. "Habitat suitability and anthropogenic correlates of Neotropical river otter (Lontra longicaudis) distribution" . Journal of Mammalogy 95, no. 4 (2014) : 824-833.
http://dx.doi.org/10.1644/13-MAMM-A-265
---------- MLA ----------
Gomez, J.J., Túnez, J.I., Fracassi, N., Cassini, M.H. "Habitat suitability and anthropogenic correlates of Neotropical river otter (Lontra longicaudis) distribution" . Journal of Mammalogy, vol. 95, no. 4, 2014, pp. 824-833.
http://dx.doi.org/10.1644/13-MAMM-A-265
---------- VANCOUVER ----------
Gomez, J.J., Túnez, J.I., Fracassi, N., Cassini, M.H. Habitat suitability and anthropogenic correlates of Neotropical river otter (Lontra longicaudis) distribution. J. Mammal. 2014;95(4):824-833.
http://dx.doi.org/10.1644/13-MAMM-A-265