54-commecolmod - species 1 species 2 (host) competition +/-...

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Community Ecology
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Basic roles of organisms in ecosystems (Fig 1-9)
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Types of Ecological Interactions (see also T54-1) species 1 species 2 (host) competition - /+ -
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Competitive exclusion principle model: Lotka & Volterra tested: Gause, 1934 Paramecium spp.
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(habitat) Niche
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fundamental niche realized niche
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fundamental niche realized niche
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Resource partitioning (warblers)
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Character displacement (Galapagos finches) Sta. Cruz I. Daphne Major I. Los Hermanos I.
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Types of Ecological Interactions species 1 species 2 (host) competition - /+ - predation + - herbivory parasitism disease
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predators
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Prey defense: behavioral
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Prey defenses: morphological (Wikipedia)
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cryptic coloration/patterning
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countershading (Wikipedia)
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Aposematic/warning coloration Divert attention/startle
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Batesian mimicry
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Mullerian mimicry monarch viceroy
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Tracheal mites (inside honeybee)
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Types of Ecological Interactions species 1 species 2 (host) competition - /+ - predation + - herbivory parasitism disease mutualism + +
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Mutualism eg: corals & dinoflagellates (zooxanthellae)
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Types of Ecological Interactions
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Unformatted text preview: species 1 species 2 (host) competition +/- -predation +-herbivory parasitism disease mutualism + + commensalism + Commensalism eg: cattle egrets & water buffalo eg: spanish moss & trees Types of Ecological Interactions species 1 species 2 (host) competition +/- -predation +-herbivory parasitism disease mutualism + + commensalism + neutral Facilitation: helpful to the interacting species but looser eg: nurse plants Species diversity species richness species evenness Food chain Food web (Fig. 55-2) Keystone species eg: Pisaster Orcas & sea otters Disturbance Primary succession Secondary succession Abandoned farmland Equatorial -(more diverse) Polar (less diverse) Gradients eg: bird species richness Area effects (von Humboldt) Actual data (Wikipedia) Island biogeography & equilibrium (MacArthur & Wilson) Island biogeography & equilibrium (MacArthur & Wilson) Actual data Ecotone Community structure models Clements Gleason...
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This note was uploaded on 01/17/2012 for the course BIOL V04 taught by Professor De-jesus,m during the Fall '08 term at Ventura College.

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54-commecolmod - species 1 species 2 (host) competition +/-...

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