Lecture 11 Eco2A

Lecture 11 Eco2A - 2/19/09 Lecture 11 Ecosystems II Reading...

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2/19/09 1 Lecture 11 Ecosystems II Reading Ch. 55 Why is the ocean blue and the world green? Ecosystem *all the organisms living in a community *all the abiotic factors with which they interact nutrients, energy Overview - Ecosystem Ecology I. Energy flows A. Primary production 1. marine 2. freshwater 3. terrestrial B. Secondary production 1. production efficiency 2. trophic efficiency II. Why is the world green? III. Nutrient cycles: water, C, N, P Ecosystems can range from a microcosm, such as an aquarium… …to a large area such as a forest or desert The Daintree Rainforest, Queensland, Australia Baja California Desert, Mexico.
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2/19/09 2 Nutrients cycle within an ecosystem Microorganisms and other detritivores Detritus Primary producers Primary consumers Secondary consumers Tertiary consumers Heat Sun Key Chemical cycling Energy flow Nutrients cycle within an ecosystem Energy flows through an ecosystem Figure 54.2 Microorganisms and other detritivores Detritus Primary producers Primary consumers Secondary consumers Tertiary consumers Heat Sun Key Chemical cycling Energy flow I. Energy Flows A. Primary Production I. Energy flow in ecosystems primary production : amount of light energy converted
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This note was uploaded on 04/29/2009 for the course BILD BILD 2 taught by Professor Schroeder during the Spring '08 term at UCSD.

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Lecture 11 Eco2A - 2/19/09 Lecture 11 Ecosystems II Reading...

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