Effects of habitat perturbation on the daily activity pattern and physiological stress of the spiny tailed iguana (Ctenosaura acanthura)

Effects of habitat perturbation on the daily activity pattern and physiological stress of the... Amphibia-Reptilia 32 (2011): 315-322 Effects of habitat perturbation on the daily activity pattern and physiological stress of the spiny tailed iguana ( Ctenosaura acanthura ) Emilio Alfonso Suárez-Domínguez 1 ,* , Jorge Eufrates Morales-Mávil 1 , Roberto Chavira 2 , Lourdes Boeck 2 Abstract. Habitat perturbation due to human activities may generate numerous behavioural and physiological alterations in wild animals. In consequence, some individuals become more susceptible to diseases, while others modify their foraging behaviour or present a diminished reproductive success. In this study, we compare the daily activity pattern (DAP) and the levels of faecal glucocorticoids (fCORT) of individuals of spiny tailed iguana ( Ctenosaura acanthura ) found in conserved habitats, with those found in areas perturbed by human activities. Our results indicate that none of the behaviours (basking, resting, feeding, locomotion, movement and aggression) presented significant differences between habitats. Furthermore, the concentrations of fCORT were similar among individuals from both sites. We suggest that the spiny tailed iguana is a species that has adapted to perturbed areas, where it has found enough resources to survive. Our findings imply that iguanas are less sensitive to habitat degradation; additionally, these results may serve as a basis for future http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Amphibia-Reptilia Brill

Effects of habitat perturbation on the daily activity pattern and physiological stress of the spiny tailed iguana (Ctenosaura acanthura)

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Publisher
BRILL
Copyright
© 2011 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0173-5373
eISSN
1568-5381
D.O.I.
10.1163/017353711X571883
Publisher site
See Article on Publisher Site

Abstract

Amphibia-Reptilia 32 (2011): 315-322 Effects of habitat perturbation on the daily activity pattern and physiological stress of the spiny tailed iguana ( Ctenosaura acanthura ) Emilio Alfonso Suárez-Domínguez 1 ,* , Jorge Eufrates Morales-Mávil 1 , Roberto Chavira 2 , Lourdes Boeck 2 Abstract. Habitat perturbation due to human activities may generate numerous behavioural and physiological alterations in wild animals. In consequence, some individuals become more susceptible to diseases, while others modify their foraging behaviour or present a diminished reproductive success. In this study, we compare the daily activity pattern (DAP) and the levels of faecal glucocorticoids (fCORT) of individuals of spiny tailed iguana ( Ctenosaura acanthura ) found in conserved habitats, with those found in areas perturbed by human activities. Our results indicate that none of the behaviours (basking, resting, feeding, locomotion, movement and aggression) presented significant differences between habitats. Furthermore, the concentrations of fCORT were similar among individuals from both sites. We suggest that the spiny tailed iguana is a species that has adapted to perturbed areas, where it has found enough resources to survive. Our findings imply that iguanas are less sensitive to habitat degradation; additionally, these results may serve as a basis for future

Journal

Amphibia-ReptiliaBrill

Published: Jan 1, 2011

Keywords: BEHAVIOUR; ADAPTATION; CORTICOSTERONE LEVELS; REPTILES; FAECAL SAMPLES

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