BIOL 1070 Study Guide - Final Guide: Canadian Biodiversity Strategy, Biotic Component, Species Evenness
5 Dec 2011
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Document Summary
The canadian biodiversity strategy defines biodiversity as the variety of species and ecosystems on earth and the ecological processes of which they are a part . The three levels of biodiversity are: genetic diversity, species diversity, and ecosystem. Ecosystem: a system formed by the interaction of a community of organisms with their physical environment. Abiotic factors examples: soil nutrients, light availability, terrestrial atmospheric gases and climatic variable. The number of individuals of a species within some area at some point in time. Number of species in an ecosystem or sample. A group of species in an ecosystem at some point in time. Distribution of individuals among species in a community. The percent cover, biomass or frequency of individuals per species: population, species richness, community, species evenness, species abundance.
