Measuring Biodiversity. Measuring Biodiversity: Species Diversity Two main aspects: species richness and species abundance Species richness = the number.

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Presentation transcript:

Measuring Biodiversity

Measuring Biodiversity: Species Diversity Two main aspects: species richness and species abundance Species richness = the number of species in an area; often the only information available, depends on baseline taxonomic data Species abundance = relative commonness of species, or evenness; requires baseline ecological data

Pelt Records. Can show population changes over time as well as body sizes and age structure. Indirect Population: Catch Per Unit Fishing Effort. Using nets, electroshock, can tag and take measurements of fish through fishing industry. Indirect Population.