GenBio_6_Comm

GenBio_6_Comm - Community Ecology 1 Community Interactions...

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Unformatted text preview: Community Ecology 1 Community Interactions Keystone species Succession + O- + + + SYMBIOSIS Mutualism Commensalism Parasitism- + PREDATION-- COMPETITION Community Interactions Types of relationships between populations A B Community Ecology 2 Competition Fitness cost to both- / - Intraspecific Interspecific Fundamental Niche theoretical Realized Niche actual- / - Possible Outcomes of Niche Competition Competitive Exclusion (extinction) Character Displacement Resource/Niche Partitioning Community Ecology 3 Gauses Principle of Competitive Exclusion No two species can completely ecologically overlap each other- / -- / - No competition Fill Fundamental Niche- / - HOW THEN DO SPECIES WITH SIMILAR NICHES CO-EXIST?!? Competition: Fill Realized Niche Community Ecology 4 Character Displacement a l l o p a t r i c sympatric Increased differences between species where they are sympatric Spatial Partitioning- / - Resource/Niche Partitioning subdividing the habitat temporally...
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This note was uploaded on 08/10/2009 for the course BIO 102 taught by Professor Brey during the Spring '08 term at Rutgers.

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GenBio_6_Comm - Community Ecology 1 Community Interactions...

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