Home Range, Habitat Use and Survival of Feral Pigs in Mona Island Nature Reserve

Released on by Gustavo Enrique Olivieri Cintrón
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  • Home Range, Habitat Use and Survival of Feral Pigs in Mona Island Nature Reserve Book Detail

  • Author : Gustavo Enrique Olivieri Cintrón
  • Release Date : 2011
  • Publisher :
  • Genre : Dissertations, Academic
  • Pages :
  • ISBN 13 :
  • File Size : 62,62 MB
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Home Range, Habitat Use and Survival of Feral Pigs in Mona Island Nature Reserve by Gustavo Enrique Olivieri Cintrón PDF Summary

Book Description: Among the invasive species, mammals have been associated with some of the worst causes of species extinction. On insular environments, introduction of omnivorous mammalian species such as feral hogs (Sus scrofa) has resulted in uncontrolled growth of their own populations, affecting native habitat. Feral pigs were radio collared and tracked in Mona Island Nature Reserve from August 2009 to February 2011. Home range size was estimated and habitat use was determined for 11 male and 8 female pigs within the Reserve. The estimates were smaller than those reported in other studies. Hogs displayed a random use of the different habitat types existing in the study site. 93% of all habitat types within the Reserve were used in different proportions by the collared pigs. Monthly survival of the collared pigs was estimated in 66% during the study period. The reduced home range size and the relatively high survival rate displayed by the collared feral hogs in Mona Island Nature Reserve could indicate that good resources availability were relatively consistent throughout the study period. This trait could promote the high monthly survival rates estimated during the survey, although pigs displayed small home ranges, probably influenced by the lack of a limiting resource (i. e. water). Despite feral hogs are recognized as invasive exotic species, these animals are also considered highly desirable as big game by hunters, as well as by state and federal agencies. It's important to implement appropriate management strategies to increase the interest of the hunter's community for the species; otherwise a program should be implemented for the control of the species. Providing only a minimal control to these animals will certainly jeopardize the delicate resources of the Mona Island Nature Reseve.

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Invasive Wild Pigs in North America

Invasive Wild Pigs in North America

File Size : 80,80 MB
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Throughout North America, non-native wild pigs have become an ecologically and economically destructive invasive species. Though they are regarded as a popular