Authors
Robin Steenweg, Jesse Whittington, Mark Hebblewhite, Anne Forshner, Barb Johnston, Derek Petersen, Brenda Shepherd, Paul M Lukacs
Publication date
2016/9/1
Journal
Biological Conservation
Volume
201
Pages
192-200
Publisher
Elsevier
Description
Monitoring carnivores is critical for conservation, yet challenging because they are rare and elusive. Few methods exist for monitoring wide-ranging species over large spatial and sufficiently long temporal scales to detect trends. Remote cameras are an emerging technology for monitoring large carnivores around the world because of their low cost, non-invasive methodology, and their ability to capture pictures of species of concern that are difficult to monitor. For species without uniquely identifiable spots, stripes, or other markings, cameras collect detection/non-detection data that are well suited for monitoring trends in occupancy as its own independent useful metric of species distribution, as well as an index for abundance. As with any new monitoring method, prospective power analysis is essential to ensure meaningful trends can be detected. Here we test camera-based occupancy models as a method to …
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