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Browse Dissertations and Theses - Ecology, Evolution, and Conservation Biology by Title
Now showing items 56-75 of 95
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(2019-04-11)Dispersal is a fundamental process that affects all aspects of an organism’s biology including its distribution, genetic structure, demography, and reproduction. Ant-mediated seed dispersal has evolved multiple times in ...
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(2002)To reconcile the apparent contradiction between these results and studies that reported a negative relationship between white-footed mouse density and woodlot area, I reanalyzed the data from the most extensive of these ...
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(2013-02-03)Maintenance of genetic variation in the face of strong natural selection is a long-standing problem in evolutionary biology. Two extreme examples of this are the guppy (Poecilia reticulata) and the bluefin killifish (Lucania ...
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(2011-08-25)Marsupials and eutherians, though closely related sister taxa, differ greatly in the variety of morphologies found within their groups. This inequality has largely been argued to be due to the reproductive differences. ...
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(2009)The main goal of my dissertation research was to investigate how maternal effects influence offspring productivity in common grackles ( Quiscalus quiscula). Maternal effects are largely considered adaptive, but my research ...
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(2011-01-21)In many ecological communities, variation in composition appears discontinuous, in that a discrete set of community states (or distinct taxa assemblages) have been observed repeatedly in one ecosystem type. Many hypotheses ...
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(2012-09-18)Arctic climate is warming at a rate disproportionately faster than the rest of the world. Changes have been observed within the tundra that are attributed to this trend, including active layer thickening, shrubland expansion, ...
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Modeling Size Dependent Interactions of a Juvenile Piscivore: Implications for Growth and Survival (2003)The influence of size-specific interactions on foraging and mortality has consequences for growth and recruitment of juvenile fish. Many juvenile piscivores, such as walleye (Stizostedion vitreum), undergo ontogenetic diet ...
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(2011-08-26)The field of life-history evolution is aimed at understanding the diversity of fertility and longevity patterns observed in nature. These patterns are influenced by the interplay of traits that directly affect the fitness ...
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(2017-04-20)Anthropogenic warming is amplified in the northern high latitudes, and disturbance processes such as wildfire and thermo-erosion (i.e., ground subsidence transport of ice-rich sediments) have increased in frequency and ...
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(1977)
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Occupancy dynamics, personality, & behavior of Franklin's Ground Squirrel in agricultural landscapes (2012-02-06)Habitat loss and fragmentation are the leading threats to biodiversity worldwide. In fragmented landscapes, movement of organisms among patches of suitable habitat is critical to ecological and evolutionary processes. ...
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(2013-05-24)Although progress has been made, we are still a long way from being able to predict and understand the dynamics of demographically “open” aquatic populations. Even though we often have a good understanding of events and ...
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(2018-10-30)Anthropogenic climate change is leading to dramatic fluctuations of essential climate dynamics and has become a major threat to modern ecosystem services and biodiversity because of its magnitude and rate of change. Climate ...
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(2010-08-31)The period between offspring birth and recruitment into the breeding population is considered one of the least understood components of animal life histories. Yet, examining this period is essential for studies of parental ...
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(2011-08-25)Predators directly interact with their prey. These direct interactions can indirectly alter the interactions between prey and other community members. For example, predators can alter prey life history, behavior, or ...
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(1980)I examined the adaptive significance of certain aspects of the reproductive biologies of several plant species pollinated by the Ruby-throated Hummingbird (or rubythroat, Archilochus colubris, Trochilidae).
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(2019-03-11)A fundamental goal of evolutionary biology is to understand how novel traits arise. Eusociality represents an extreme form of social organization which has evolved independently a number of times across insects and is ...
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Now showing items 56-75 of 95