L22 Nutrients

L22 Nutrients - Geol 107 L22 10/14/2011 Life in the Ocean...

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Geol 107 L22 10/14/2011 1 Biological Oceanography: Nutrients Life in the Ocean Autotrophs Ͳ base of food chain make organic matter out of inorganic carbon photosynthesis or chemosynthesis ±plants² Heterotrophs acquire organic matter by eating it ±animals² Always read the fine print: Macroscopic examples not representative of ocean autotrophs and heterotrophs. Photosynthesis Drives Primary Productivity CO 2 + H 2 O = nCH 2 O + O 2 Synthesis of organic matter from inorganic materials the incorporation of carbon atoms into carbohydrates Primary Productivity measured in grams of carbon bound into carbohydrates per square meter of ocean surface area per year gC/m 2 /yr C O 2 + H 2 O = nCH 2 O + O 2
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Geol 107 L22 10/14/2011 2 Where plants grow in the Ocean Upwelling example : California Upwelling brings nutrients Limiting Factors Affect the Functions of an Organism A factor found in the environment that can be harmful in quantities that are too large or too
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This note was uploaded on 11/21/2011 for the course ECON 404 taught by Professor Carrillo during the Spring '11 term at USC.

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L22 Nutrients - Geol 107 L22 10/14/2011 Life in the Ocean...

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