Chapter 8 : Population Ecology

distribution Raccoons, bear solitary: territory.
growth-exponential (births per K individuals) minus its death rate per year. Deer mice seeds; hantavirus r-selected.
r=5=500%; net 10-0 deaths, or 12-2; 2-2=0. Mice mature 6 weeks; 5 cycles=7 mo. 10 cycles=2 M.
growth-logistic FedEx logistics manage resources.
r-selected Pioneers in disturbance; pests; k often endangered: QUANTITY; live FAST
k-selected spruce CONES; coconut? Endangered: pandas; wolves medium? Ralative.
cycle Hare cycling in Homer, Alaska
wolf_absence Without wolves: elk should increase - they also feed on aspen; coyotes increase, red fox decrease.
wolf_presence Reintroduced 1994. Elk ecotone (edge) feeder: feed in meadows to look for predators?
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Doug Smith. Predator Control Program wolves extirpated Yellowstone 1944.
Protected Endangered Species Act 1973. 1987 reintro.
More livestock killed by coyotes; compensate ranchers if prove killed by wolves.
Density. Wolves -> coyotes -> red fox.