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Providing evidence to improve practice

Individual study: Ecology and translocation-aided recovery of an endangered badger population

Published source details

Kinley T.A. & Newhouse J.A. (2008) Ecology and translocation-aided recovery of an endangered badger population. The Journal of Wildlife Management, 72, 113-122

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Translocate to re-establish or boost populations in native range Terrestrial Mammal Conservation

A before-and-after, site comparison study in 2002–2006 in two alpine grassland sites in British Columbia, Canada (Kinley & Newhouse 2008) found that translocating American badgers Taxidea taxus increased the population growth rate at the recipient site, but survival was lower than in a nearby resident population. The badger population growth rate was higher at the recipient site after translocation than before and was similar to that found in a nearby non-translocated population (data reported as geometric growth rate). Ten young were born to translocated badgers. The adult annual survival rate was lower in the release site (77%) than in a nearby resident population (90%). In 2002, sixteen badgers were translocated from north-western Montana to supplement a declining population at a site in British Columbia. Translocated badgers were monitored in 2002–2006, by radio-tracking, from an aeroplane. Comparisons were made with a nearby site containing a resident badger population.

(Summarised by Kathryn Gaasch and Tal Jacobs )