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Evaluation of landscape models for wolverines in the interior northwest, USA

Journal of Mammalogy

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, , , , , and

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Abstract

The wolverine (Gulo gulo) is an uncommon, wide-ranging carnivore of conservation concern. We evaluated performance of landscape models for wolverines within their historical range at 2 scales in the interior Northwest based on recent observations (n = 421) from Washington, Oregon, Idaho, and Montana. At the subbasin scale, simple overlays of habitat and road-density classes were effective in predicting observations of wolverines. At the watershed scale, we used a Bayesian belief network model to provide spatially explicit estimates of relative habitat capability. The model has 3 inputs: amount of habitat, human population density, and road density. At both scales, the best models revealed strong correspondence between means of predicted counts of wolverines and means of observed counts (P < 0.001). Our results can be used to guide regional conservation planning for this elusive animal.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Evaluation of landscape models for wolverines in the interior northwest, USA
Series title:
Journal of Mammalogy
Volume
84
Year Published:
2003
Language:
English
Contributing office(s):
Northern Prairie Wildlife Research Center
Description:
p. 92-105
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Mammalogy
First page:
92
Last page:
105
Number of Pages:
13