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Occurrence of invasive mammals in southern Nahuel Huapi National Park

Occurrence of invasive mammals in southern Nahuel Huapi National Park Introduced mammals in Patagonia are believed to negatively influence native ecosystems. We surveyed invasive mammals using camera traps in Nahuel Huapi National Park, Argentina, from February to May 2012. We deployed 19 cameras for about 30 days each, for a total of 645 camera days. We obtained 352 independent detections of three invasive mammal species: 67% European hare (Lepus europaeus), 32% wild boar (Sus scrofa), and 1% red deer (Cervus elaphus); no native herbivorous or omnivorous mammals were detected. All species showed nocturnal activity patterns. Hare detections reflected generalist habitat use and wild boars showed preference for more humid areas. The increased detection near roads suggests hares and wild boars are being facilitated through human disturbance, which should be considered in management decisions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Studies on Neotropical Fauna and Environment Taylor & Francis

Occurrence of invasive mammals in southern Nahuel Huapi National Park

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References (39)

Publisher
Taylor & Francis
Copyright
© 2014 Taylor & Francis
ISSN
1744-5140
eISSN
0165-0521
DOI
10.1080/01650521.2013.875245
Publisher site
See Article on Publisher Site

Abstract

Introduced mammals in Patagonia are believed to negatively influence native ecosystems. We surveyed invasive mammals using camera traps in Nahuel Huapi National Park, Argentina, from February to May 2012. We deployed 19 cameras for about 30 days each, for a total of 645 camera days. We obtained 352 independent detections of three invasive mammal species: 67% European hare (Lepus europaeus), 32% wild boar (Sus scrofa), and 1% red deer (Cervus elaphus); no native herbivorous or omnivorous mammals were detected. All species showed nocturnal activity patterns. Hare detections reflected generalist habitat use and wild boars showed preference for more humid areas. The increased detection near roads suggests hares and wild boars are being facilitated through human disturbance, which should be considered in management decisions.

Journal

Studies on Neotropical Fauna and EnvironmentTaylor & Francis

Published: Dec 1, 2013

Keywords: invasive; mammals; Patagonia; Argentina; occurrence; activity

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