UNI101Y1 Study Guide - Species Richness
16 Feb 2013
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Bio120h lisa zhao 2011 | page 3. Effect of food web structure on species diversity. Feeding relationships affect species diversity w/in a community. Jjoohhnn tteerrbboorrgghh et al. (consumer effect on species diversity) Unintended predator removal in rain forests of venezuela by dam. Dam created patches too small to support predators of the herbivores. Ecosystem meltdown occurred and affected regeneration of trees and decreased productivity and plant diversity. Kkeeyyssttoonnee ccoonnssuummeerr: species, often a predator, that has a dominant influence on the structure of a community, which may be revealed when that species is removed. Described diff. types of food webs that describe diff. ways in which species influence one another w/in communities. Ccoonnnneecctteeddnneessss wweebb: a food web that emphasizes the feeding relationships among species within a community. Eenneerrggyy ffllooww wweebb: a food web in which the connections between species are quantified by the flux of energy between a resource and its consumer.
