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MIT1_018JF09_Lec13_Slides

MIT1_018JF09_Lec13_Slides - Population Ecology 1.018J 2009...

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Lecture 13, 14 Population Ecology Population Ecology 1.018J 1.018J 2009 2009 The next three lectures The next three lectures Growth under unlimited conditions Growth under unlimited conditions Resource limited growth Resource limited growth Age- structured populations Age- structured populations – “ life tables life tables” Human Population Growth Human Population Growth
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How do you measure the size of a population?
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QUADRATS
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UNIFORM DISTRIBUTION
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RANDOM DISTRIBUTION
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CLUMPS
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quadrat size has to be very large for clumped distrubutions
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Mark and recapture method Mark and recapture method Question: what is the population size, N ? Step 1: Capture and mark M individuals
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Step 2: Release and wait
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