BIOL2060 - Lecture 32 - Nov 28, 2013

1966 american naturalist 10065 t what stabilizes

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Unformatted text preview: ies Paine RT. 1966. American Naturalist 100:65 T What stabilizes communities? Hypothesis: Strong top-down interactions stabilize communities Paine RT. 1966. American Naturalist 100:65 red arrow = trophic interaction green arrow = interspecific competition 5 What stabilizes communities? Hypothesis: Strong top-down interactions stabilize communities Paine RT. 1966. American Naturalist 100:65 What stabilizes communities? Hypothesis: Strong top-down interactions stabilize communities % abundance = that is taken up by a certain species Paine RT. 1966. American Naturalist 100:65 trophic interaction between the starfish + mussel is strong starfish prefer to eat mussels (the dominant competitor), allowing barnacles (the weaker competitor) to coexist 6 What stabilizes c...
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