LECTURE13 CommEcologycont1

LECTURE13 CommEcologycont1 - Finish Chapters 53 and move on...

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Slide 1 Community Ecology and Ecosystems Finish Chapters 53 and move  on to Chapter 54 Community Ecology Ecosystems
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Slide 2 Community Ecology and Ecosystems Species Diversity species diversity  = how many  different species in a community species richness  = total number  of different species in a  community relative abundance  = proportion  of individual a species  contributes to a community
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Slide 3 Community Ecology and Ecosystems Community 1: 25A, 25B, 25C, 25D Community 2: 80A, 5B, 5C, 10D both species richness &  relative abundance are  important species richness is same for  both communities, but  abundance is NOT Diversity Fig. 53.11, pg. 1165
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Slide 4 Community Ecology and Ecosystems Trophic  Structure Fig. 53.12, pg. 1166 terrestrial & marine  food chains
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Slide 5 Community Ecology and Ecosystems Food Webs Fig. 53.13, pg. 1166 Antarctic marine food  web
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Slide 6 Community Ecology and Ecosystems Species with large impact dominant species - biomass - invasive species keystone species - not  necessarily abundant foundation species - or  ecosystems engineers
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Slide 7 Community Ecology and Ecosystems Dominant  species
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Slide 8 Community Ecology and Ecosystems Dominant species - biomass - invasive species
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LECTURE13 CommEcologycont1 - Finish Chapters 53 and move on...

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