zoo520 lecture 3 Th. Apr. 7th

zoo520 lecture 3 Th. Apr. 7th - Zoology 510 Lecture 3 of...

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Zoology 510 Lecture 3 of exam 3 Thursday April 7 th , 2011 Power’s Lecture Suctorial mouths and comb-like tooth plates - Attached algae grow faster in sunny pools than in dark pools - Harvest from unglazed ceramic tiles lifted above reach of grazers Her study -Loricariids were correspondingly denser in sunny pools - graph of (x-axis rainy dry rainy season vs y axis Fish density (individuals/M^2) - sunny pools have more fish than the dark pools Ideal free Distribution? (fretwell and Lucas 1970) - close spatial tracking of a resource that RENEWS at different patches… - Assumes forager is “ideal” (has perfect knowledge of food availability over heterogeneous environment, and “free” to feed from the best environment at any given time…. . How should habitats different quality in an environment should fill us as more consumers colonize? - y axis- # of individ. In each habitat vs. pop density x axis Return time to a small site, T= A/(Nc) = A/E (Nijcij) - Day and night observations of grazing loricariids showed hat algal growth rates
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This note was uploaded on 12/11/2011 for the course ZOO 510 taught by Professor Staff during the Spring '08 term at Wisconsin.

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zoo520 lecture 3 Th. Apr. 7th - Zoology 510 Lecture 3 of...

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