CHapter 8 Notes
Subject:
Billy Andrews APES Chapter 8: Population Change Principles of Population Ecology Population ecologists ask questions like?. 1) How many are in the population? 2) Are its numbers increasing /decreasing? 3) What is its pattern of reproduction? 4) What is its pattern of mortality? Population Density: - Not enough to know number of species -Need to know per unit area. (Population density) -Growth Rate= (Birth rates)-(Death rates) or -Growth Rate= (Birth rate-Death Rate) + (Immigration-Emigration) -Intrinsic rate of increase: Maximum Population Growth under ideal conditions