Population Ecology I 2011

Population Ecology I 2011 - Outline Outline How do you...

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Unformatted text preview: Outline Outline How do you defne the boundaries oF a population? How do you defne the boundaries oF a population? How do you estimate population size? How do you estimate population size? Bias; when good ecologists make bad decisions. Bias; when good ecologists make bad decisions. Using census inFormation to Forecast population changes Using census inFormation to Forecast population changes (a) (a) The Story oF the The Story oF the Muskox Muskox (b) (b) The Geometric Equation The Geometric Equation (c) (c) Using the model to Forecast population change Using the model to Forecast population change (d) (d) Validating our model Validating our model (e) (e) Assumptions Assumptions True Census = complete count of all the individuals in a True Census = complete count of all the individuals in a population population Census (Sample) = a subset of the entire population -- the Census (Sample) = a subset of the entire population -- the one you physically counted one you physically counted How many individuals are in the population? How many individuals are in the population? The Census A census is an ESTIMATE of population size. A census is an ESTIMATE of population size. How reliable is your estimate of population How reliable is your estimate of population size! size! Accuracy Accuracy vs vs . Precision . Precision N = total number of population estimates you make Estimating Precision of Your Population Estimates Variance!...
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This note was uploaded on 08/18/2011 for the course ECOLOGY 351 taught by Professor Staff during the Spring '11 term at Rutgers.

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Population Ecology I 2011 - Outline Outline How do you...

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