9 Population Growth 9-28-09

9 Population Growth 9-28-09 - Shapiro-Wilk test for...

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Unformatted text preview: Shapiro-Wilk test for normality: p < 0.001 median = 83, mean = 81.1, min = 42, max = 97 sd = ?, IQR = 16 mean median Ecology 203 Overview Geographic Distributions Geographic Distributions Populations Communities Ecosystems Applications Gregg Hartvigsen Populations Population parameters (C8) Population growth (C9) Population growth (C9) Competition (C10) Predation (C11) Herbivory and Mutualism (C12) Disease and Parasitism (C13) Regulation of Populations (C14 Regulation of Populations (C14) Harvesting Populations (C15) Pest Control (C16) Conservation Biology (C17) Population Growth Geometric Growth Exponential Growth Regulated Growth Leslie Matrix Model We’ve seen geometric & exponential growth…. Unfortunately, unbounded population growth is unreasonable. Population regulation: 1. Abiotic a. extrinsic (must be!) 2 Biotic 2. Biotic a. intrinsic b. extrinsic (predators or disease) Abiotic Extrinsic Regulation Andrewartha and Birch (1954) - density-independent factors controlling Thrips populations...
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This note was uploaded on 07/11/2010 for the course BIO 209 taught by Professor Hartvigsen during the Spring '09 term at SUNY Geneseo.

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9 Population Growth 9-28-09 - Shapiro-Wilk test for...

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