General Ecology_Mahaffy_Date_042910

General Ecology_Mahaffy_Date_042910 - Community Ecology...

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Community Ecology Community characteristics Just as a population has characteristic attributes, so does a community Growth form and structure How communities develop overtime and how they interact with one another Food webs Species relationships Keystone species Indicator species Etc Diversity Dominance One species is more important in the function of the community than the other species Relative abundance Trophic structure Temporal and spatial variations How to describe communities Difficult but not impossible Must describe all species participants in community interactions Use subsets See figure 15.4 and 15.5 Taxa Genetically similar Different species of Warblers Guilds Group of organisms that utilize the same resource Bats and hummingbirds Both eat nectar Functional groups Organisms that function in the same way Mosquito and aphid Both suck fluid Food webs Shows trophic interactions
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This note was uploaded on 08/29/2010 for the course BISC 302 taught by Professor Walsh during the Spring '08 term at University of Delaware.

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General Ecology_Mahaffy_Date_042910 - Community Ecology...

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