Ecology. Population Dynamics. Why do we want to measure population sizes?. To better manage populations To better use resources increase population size endangered species (So they don’t go extinct) decrease population size pests maintain population size fisheries management
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coming back from near extinction
protected from hunting
marking territory= competition
competition for nesting sites
Number of breeding male
fur seals (thousands)
Number of cladocerans
(per 200 ml)
Time (days)Carrying capacity
What’s going on with the plankton?
At what population level is thecarrying capacity?