lecture36F06 - Energy flow in ecosystems By the end of this...

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Energy flow in ecosystems By the end of this lecture you should be able to… Define an “Ecosystem” and discuss what what do ecosystem ecologists do. Describe the emergent properties of an ecosystem Concepts and terms : energy flow, material cycling Discuss how energy is transferred in ecosystems Concepts and terms: trophic level, food web, food chain, 10% Law Discuss the components of productivity. Concepts and terms : gross primary production, net primary production, autotrophic respiration, heterotrophic respiration. Describe spatial and temporal patterns of net primary production. Assigned reading: Chapter 54
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ECOSYSTEM …organisms plus their physical environment. …energy flow and chemical cycling.
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: area of similar vegetation structure and type. Ecosystem : biotic plus abiotic components participating in nutrient cycling and energy transfers. Community : a group of interacting plants and animals. Population
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This note was uploaded on 04/07/2008 for the course IB 201 taught by Professor Hughes/berlocher during the Spring '07 term at University of Illinois at Urbana–Champaign.

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lecture36F06 - Energy flow in ecosystems By the end of this...

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