Department of Geography, University of Victoria, Box 1700, Stn CSC, Victoria, British Columbia, Canada V8 W 2Y2 Raincoast Conservation Foundation, General Delivery, Denny Island, British Columbia, Canada V0T 1B0 Hakai Institute, Box 309, Heriot Bay, British Columbia, Canada V0P 1H0 Department of Anthropology, University of Utah, 270 S. 1400 E., Salt Lake City, UT 84112, USA Global Change and Su...

In species in which juvenile survival depends strongly on male tenure, excessive trophy hunting can artificially elevate male turnover and increase infanticide, potentially to unsustainable levels. Simulation models show that the likelihood of safe harvests can be improved by restricting offtakes to males old enough to have reared their first cohort of offspring to independence; in the case of ...