Biology 301- Ecology and Evolution
Biology 301- Ecology and Evolution Biology 301 002
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This 2 page Class Notes was uploaded by Sequoia Brown on Friday February 5, 2016. The Class Notes belongs to Biology 301 002 at University of South Carolina taught by Robert Friedman in Spring 2016. Since its upload, it has received 62 views. For similar materials see Ecology and Evolution in Biology at University of South Carolina.
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Date Created: 02/05/16
Biology 301- Ecology and Evolution Population Structure Definitions - Geographic range o The geographic area in which a species occurs - Geographic distribution o Within the range, a species is often divided up into subpopulations - Dispersion o Spacing of individuals in a population 3 types: Clumped Random Spaced - Population- o a group of organisms of the same species occupying a particular region at the same time - Population structure o The classification of individuals in a population based on some type of category - Metapopulation o Set of local population linked by dispersal - Source sink model o Recognizes differences in quality of suitable habitat patches Source patches were resources are abundant Individuals produce more offspring than needed Source patches where resources are scarce Populations are maintained by immigration of individuals from elsewhere - Emigration o Leaving a subpopulation - Immigration o Entering a subpopulation - Landscape model o Considers effect of differences in habitat quality within the habitat matrix The quality of a habitat can be affected by the nature of the surrounding matrix - Density o The number of individuals per unit of space
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