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Study%20questions.Lec.9_10 - BIS2B Fall 2009 STUDY...

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BIS2B, Fall 2009. STUDY QUESTIONS Lectures 9 & 10. 1. Peat, “histosols,” and other heavily organic soils build up in what kind of conditions? ______________________________________________________________________ 2. Why does the organic component of peat build up to create the sort of soils described in question 1 when it does not build up in upland habitats that have equally high NPP? ___________________________________________________________________________ ___________________________________________________________________________ 3. Write the basic biogeochemical equation that describes the process that has led to subsidence of islands in the Sacramento Delta. Be sure to include the organisms responsible and their roles in subsidence. ________________________________________________________________________. 4. What is the important aspect of social science that leads to great concern about the subsidence of the islands in the Sacramento Delta? ___________________________________________________________________________ ___________________________________________________________________________. 5. Draw a reasonable facsimile of the Keeling curve from the time of its beginning to the year 2000. Label the axes accurately. 1
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6. Explain the peculiar “saw toothed” nature of the Keeling curve. Make use of a clearly labeled diagram that shows two or three “teeth” to aid in your explanation. Before answering
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