Mechanisms underlying the decline of mountain caribou (Rangifer tarandus caribou) in British Columbia
Wittmer HU 2004. M.Sc. thesis, University of British Columbia, Vancouver, Canada.
Changes in landscape composition influence the decline of a threatened woodland caribou population
Wittmer HU, BN McLellan, R Serrouya, and CD Apps. 2007. Journal of Animal Ecology 76: 568–579.
The role of predation in the decline and extirpation of woodland caribou
Wittmer HU, ARE Sinclair, and BN McLellan. 2005. Oecologia 144: 257-267.
Testing predator‐prey theory using broad‐scale manipulations and independent validation
Serrouya R, BN McLellan, and S Boutin. 2015. Journal of Animal Ecology 84: 1600–1609.