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Description:: Interactions with pollinators are thought to be a major driver of the evolution and diversification of angiosperms, yet questions remain about how pollinators mediate plant divergence at early stages and across entire species distributions. Here, I address this knowledge gap using two study groups in the recently-radiating and florally diverse...
Subject:: Ecology, Evolution & development, and Botany
Creator:: Wenzell, Katherine Elizabeth
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 06/28/2021
Date Created:: 2021-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:15506 and etdadmin_upload_806843

Description:: Genetic factors such as loss of genetic diversity, mutations, and inbreeding depression can increase a populations chances of extinction, therefore it is important to understand how these factors can contribute to populations decline. Among the genetic factors that can contribute to populations extinction, inbreeding depression is the only one that...
Keyword:: Self-incompatibility, Inbreeding depression, Reproductive system , and Pollinators
Subject:: Conservation biology, Genetics, and Botany
Creator:: Cisternas Fuentes, Anita
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 04/15/2021
Date Created:: 2021-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_792611 and http://dissertations.umi.com/northwestern:15451

Description:: Plant life history traits influence the extent and degree of gene flow across a species range. The resulting genetic neighborhood size can influence population differentiation and the scale of local adaptation, with implications for species response to environmental change and sourcing of plant materials for ecological restoration. To assess the...
Keyword:: seed biology, milkweed, gene flow, ecological restoration, seed sourcing, and population genetics
Subject:: Ecology, Botany, and Conservation biology
Creator:: Finch, Jessamine Hope Schmoyer
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/12/2020
Date Created:: 2019-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_662709 and http://dissertations.umi.com/northwestern:14656

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