As some researchers say wolf culls are needed to protect caribou, but critics decry them as a cruel practice that gives governments an excuse to stall on protecting habitat
A new article in the journal Ecological Adaptations found wolf culls increased the growth rate of southern mountain caribou herds by about eight per cent per year and were even more effective when paired with additional measures like maternal penning.For decades, researchers have been sounding the alarm about southern mountain caribou, a type of woodland caribou that traditionally ranged through parts of B.C. and Alberta and into Washington and Idaho.
Despite those findings, the study is unlikely to quell controversy over wolf culls, which some researchers see as necessary to protect caribou and others decry as a cruel practice that gives governments an excuse to stall on habitat protection. The new study confirms recovery actions are having an impact, resulting in about 1,500 more caribou, an increase of 50 per cent, than if such measures hadn’t been in place, he added.
For the 2024 study, Dr. Lamb and his co-authors – 33 of them, including the lead author of the 2019 PNAS report – aimed to address those critiques, studying 51 years of demographic data from 40 herds to provide a more comprehensive picture than the earlier report. “If managers believe they have a solution in hand, why do anything different?” said Dr. Darimont, who is also science director of the non-profit Raincoast Conservation Foundation.
Jason Fisher, a wildlife scientist at the University of Victoria, also emphasized the need for habitat restoration.
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