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lecture28 - although it downplayed the significance of food...

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2/7/12 lecture28.html 1/1 C:/Users/JIMMIN~1/AppData/Local/Temp/Rar$EX04.857/«/lecture28.html EEB 122: Principles of Evolution, Ecolog\ and Behavior Lecture 28 - Ecological Communities << previous session _ next session >> OYeUYieZ: The idea of ecological communities has changed tremendously over the past forty years. The classical view stated that there were so many different species because evolution packed them tightly into the available niches. The modern view emphasizes the idea of trophic cascades, or top-down control in food chains. This emphasized the importance of predation in ecology,
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Unformatted text preview: although it downplayed the significance of food webs, which showed the interrelated nature of ecosystems better than simple food chains. Reading aVVignmenW: Cotgreave, Peter and Irwin Forseth. Introductor\ Ecolog\ , chapter 11 ClaVV lecWXUe: ReVoXUceV: You may view the Yale Galapagos site at: http://cmi2.yale.edu/galapagospublic Yale University 2009. Some rights reserved. Unless otherwise indicated on this page or on the Open Yale Courses website, all content on this page is licensed under a Creative Commons License (Attribution-NonCommercial-ShareAlike 3.0)...
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This note was uploaded on 02/07/2012 for the course EEB 122 taught by Professor Stephenstearns during the Spring '09 term at Yale.

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