Lecture 13 - Lecture 13 Global Pa0erns of Biodiversity A"er...

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Lecture’13 ’ Global’Pa0erns’of’Biodiversity
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A"er this class and the associated reading you should be able to: Explain key diferences between the atmospherically versus rock- derived nutrient cycles oF nitrogen and phosphorus Explain how nutrient cycles can determine the produc?vity oF an ecosystem Contrast soil Fer?lity on diferently-aged landscapes and where most oF the nutrients are stored in ecosystems with young versus old soils Explain the role oF temperature and moisture in determining spa?al pa±erns oF biodiversity Explain the biome concept and be able to give key characteris?cs and dominant plant Func?onal types oF major biomes Announcements Exam 2 next Tuesday, Oct 16 th covers lectures 7-13 Review Session: Friday, Oct 12, 5-7 pm in 314 Altgeld Hall
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Atmospheric pool Soil pool Biosphere pool Nitrogen Cycle: Example of an atmosphere- derived nutrient
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Nitrogen-fxing bacteria live in root nodules in the roots oF some types oF plants, such as beans h0p://commons.wikimedia.org/wiki/File:Medicago_truncatula_A2±_root_nodules.JPG’
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Lecture 13 - Lecture 13 Global Pa0erns of Biodiversity A"er...

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