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Unformatted text preview: space and time • Branch of ecology that studies the activities of populations 1. Density – number of individuals per square area o Depends on distance pattern shown by species • Estimate population numbers – count individuals in representative areas and extrapolate • N = AB/C o N =estimation in a population o A=# of individuals caught the first time, marked, and released o B=# of individuals caught the 2 nd time, both marked, unmarked individuals o C=# of marked recaptures 2. Movements a. Emigration – leaves habitat b. Immigration – enters habitat c. Migration – leaves population A, returns population A 3. Population growth and numbers a. Biotic potential b. Carrying capacity c. Environment resistance d. Max rate of population growth which would result if all females bred as often as possible and all individuals survived beyond reproductive age under ideal conditions...
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This note was uploaded on 01/31/2011 for the course BS 110 taught by Professor S.lawrence during the Fall '07 term at Michigan State University.
- Fall '07