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Virginia Commonwealth University

Gene flow

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A Pollination Network Of Cornus Florida, James H. Lee Jan 2014

A Pollination Network Of Cornus Florida, James H. Lee

Theses and Dissertations

From the agent-based, correlated random walk model presented, we observe the effects of varying the parameter values of maximum insect turning area, ��max, density of trees, ω, maximum pollen carryover, ��max, and probability of fertilization, P��, on the distribution of pollen within a population of Cornus florida (flowering dogwood). We see that varying ��max and ��max changes the dispersal distance of pollen, which greatly affects many measures of connectivity. The clustering coefficient of fathers is maximized when ��max is between 60° and 90°. Varying ω does not have a major …