BIOL 1543 Lecture 17: 11-2-15 - Lecture Notes - Population Ecology
25 Aug 2016
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Population ecology: how do we know when a population is exploited sustainably, how do we manage populations to the proper levels, how do we understand life histories and apply this to maintaining populations. Population ecology is the study of how and why populations change: population group of individuals of a single species that occupy the same general area. Interact and breed with one another: population ecology concerned with. Factors that regulate populations over time: populations. Increase through birth and immigration to an area. Decrease through death and emigration out of an area. Density and dispersion patterns are important population variables: population density the number of individuals of a species per unit area or volume. The number of oak trees per square kilometer in a forest. The number of earthworms per cubic meter in forest soil. Ecologists use a variety of sampling techniques to estimate population densities: within a population"s geographic range, local densities may vary greatly.
