Figure 13.6 The population dynamics of wolves and moose on Isle Royale. Population estimates from 1959 to 2011 indicated that moose and wolf populations both experience wide fluctuations.
Data from J. A. Vucetich and R. O. Peterson, Ecological Studies of Wolves on Isle Royale: Annual Report 2010–2011, School of Forest Resources and Environmental Science, Michigan Technological University.