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Lecture 17 goals - Lecture 17 goals Part I ECOSYSTEM...

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Lecture 17 goals Part I: ECOSYSTEM NUTRIENT CYCLING AND RETENTION Be able to: Explain the general relationship between nutrient pools and fluxes. Diagram and label the major components of the carbon, nitrogen, and phosphorus cycles, including the relative magnitude of their biologic, atmospheric, and geologic pools. Explain the chief abiotic and biotic controls on terrestrial rates of leaf decomposition. Use climatic variables to predict relative rates of terrestrial decomposition. Explain the role of human activities and land use in ecosystem nutrient budgets. Explain the effects of varying inputs, internal demand, and outputs on nutrient budgets. Explain linkages among the above. Reading: Chapter 19. Introduction. Required . Nutrient cycles. Required Rates of decomposition. Required . Investigating the evidence. Not required. Organisms and nutrients. Not required. Disturbance and nutrients. Required . Applications. Required .
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