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Dioecious Plants: Evolution And Sex Ratio And Asepen Decline, Jordan P. Sinclair
Dioecious Plants: Evolution And Sex Ratio And Asepen Decline, Jordan P. Sinclair
Wayne State University Dissertations
Although dioecious species are rare in nature, the sexual system appears in a diverse number of families and across all life forms and global locations. We looked at the population dynamics of natural populations to determine why many dioecious populations display biased sex ratios. We also looked at the role incestuous matings, seed and pollen dispersal patterns, and compensation play in the evolution of this sexual system using two theoretical models we developed. Finally, we studied aspen populations in the Midwest to determine how climate variables affect growth and decline. We found many dioecious species display male biased ratios and …