16+BIOL151X+S11+community+ecology+1+Sakai

16+BIOL151X+S11+community+ecology+1+Sakai - 1 16 Community...

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Unformatted text preview: 1 16 Community Ecology The study of the interactions among species living in a particular geographic area. Ecological interactions. Resources. Niches. Competition. Predation. Keystone species. Campbell & Reece, Fig. 54.08 2 announcements Section A: correction from last Friday Inclusive fitness = (individual fitness) + r(fitness of relative) MB: To see the full list of assignments and due dates , you need to log in and navigate to the assignments tab. 3 Species Diversity Species richness & relative abundance both matter Campbell & Reece, Fig. 54.09 4 + + Ecological Interactions Effects of interactions on the participants define the nature of the interaction. Effect on organism 2 E f f e c t o n o r g a n i s m 1 5 Resources Resource = Limiting resource: the resource that runs out first and whose availability therefore limits population size. 6 Niche 7 resource amount used Niche = the set of physical and biological parameters that define the living requirements and living conditions of a species. A niche is a multidimensional volume in resource space that describes the set of environmental and biological conditions under which the species can survive....
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16+BIOL151X+S11+community+ecology+1+Sakai - 1 16 Community...

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