Ecology 6th Edition by Charles Krebs

تمرين 8

The collapse of lake trout populations in the Great Lakes coincided with a general increase in commercial fishing of the lakes. Discuss the hypothesis that the collapse of fish stocks in the. Great Lakes (see Figure 11.13) was caused more by overfishing (human predation) than by the introduction of the sea lamprey. Coble el. al. (1990) and Bronte et al. (2003) give references.
Reference Figure : 11.13