Resh9 - Biology 1B, Ecology Lecture 9, Page 1 *Assigned...

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Professor Resh Spring 2009 *Assigned readings, 8 th Edition pp. 1222-1236 7 th Edition pp. 1154-1206 Ecosystems Outline of Lecture 9 A. Ecosystem B. Water cycle C. Carbon cycle D. Nitrogen cycle E. Phosphorous cycle F. Succession in ecosystems G. Ecosystems and diseases – Schistosoma A. Ecosystem: an interacting system that involves both the organisms and their non-living environment. The flow of energy and nutrients is regulated. 1. “Cycling” because substances originated from the atmosphere or weathered rock, then became incorporate into various organisms, and ultimately (through decomposition) are returned to the non-living world. B. Water cycle involves evaporation, precipitation, and transpiration… Aquafer: permeable, saturated undergound layers of rock, sand and gravel point vs. non-point sources of pollution; what is biomonitoring? C. Carbon cycle involves atmosphere,
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This note was uploaded on 04/20/2009 for the course BIO 1B taught by Professor Carlson,mischel,power during the Spring '07 term at Berkeley.

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Resh9 - Biology 1B, Ecology Lecture 9, Page 1 *Assigned...

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