Browsing 2010 MU dissertations - Freely available online by Thesis Department "Biological sciences (MU)"
Now showing items 1-5 of 5
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Friends in high places: ecology of mycorrhizal associations in alpine plant communities
(University of Missouri--Columbia, 2010)Mutualisms are ubiquitous in nature, yet these interactions often vary in strength and persistence. This variation raises the questions of what determines whether mutualisms persist or vanish, and how does variation in the ... -
Genetic variation and population structure in the endangered Houston toad in contrast to its common sympatric relative, the coastal plain toad
(University of Missouri--Columbia, 2010)I determined the number of populations, the levels of genetic diversity within and among populations, and migration/movement rates at the landscape and fine scales in the endangered Houston toad, Bufo houstonensis (Anura: ... -
The impacts of partner abundance on benefits from facultative pollination mutualism
(University of Missouri--Columbia, 2010)Partner abundance affects costs and benefits in obligate mutualisms, but its role in facultative partnerships is less clear. I investigated this topic in a small alpine pollination web in the Colorado Rocky Mountains ... -
Reinforcement signaling in Drosophila
(University of Missouri--Columbia, 2010)Memory performance levels can reliably match the intensity / amount/ probability of reinforcement. Interestingly, experience with a reinforcer unpaired from any predictors can enhance or impair later associative learning. ... -
Seasonality and elevational migration in an Andean bird community
(University of Missouri--Columbia, 2010)Life history strategies of many birds in the Neotropics remain poorly known. In particular, details on the seasonal movements of individuals and populations within the Neotropics remain largely unknown, including short-distance ...