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Browse Dissertations and Theses - Prairie Research Institute by Title
Now showing items 114-133 of 198
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(2011-05-25)Juvenile survival is among the most important demographic parameters driving population dynamics in birds. However, because first-year (i.e. 1-year-old) migratory passerines are thought to return to breed at great distances ...
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Nearshore zooplankton communities of Lake Michigan and implications for invasibility by Asian carp (2017-07-17)Recent, dramatic shifts have occurred within zooplankton community structure in Lake Michigan. Such changes could alter the ability of invasive species, such as Asian carp, to establish self-sustaining populations. Without ...
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(2015-01-21)Current declines in shrubland bird populations and habitats in eastern North America highlight the importance of understanding the nesting ecology of shrubland birds. The majority of the literature on shrubland birds has ...
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(2010-05-19)Yellow-breasted Chats (Icteria virens) are a Neotropical migratory bird species that breeds in shrubland habitat in Illinois. Chats are a diurnally active species but males are known to sing often at night. This behavior ...
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(1989)In the past the best models of raindrop shapes were based on a perturbation form of Laplace's formula valid only for small amplitude distortion from the effect of an aerodynamic pressure around a sphere. In contrast, the ...
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(2014-05-30)Pseudogymnoascus destructans, the causal agent of bat white-nose syndrome, has caused nearly six million deaths in North American bats since its introduction into the United States in 2006. Current research has shown that ...
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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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(2010-05-18)The distribution of Ixodes scapularis and Borrelia burgdorferi has continued expanding in Illinois over the past twenty years. However, the extent to which this tick vector and etiologic agent of Lyme disease has spread ...
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(2020-04-14)Demographic studies of wildlife populations are needed to guide management decisions for threatened species. Without data on population vital rates, decisions are often speculative and based on general information about a ...
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(2017-01-06)The Illinois River in Illinois is characterized by a pollution gradient originating from highly urbanized and industrialized upstream sources that contain elevated levels of endocrine-disrupting chemicals (EDCs). Controlled ...
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(2019-11-21)Amphibians are declining globally, and infectious disease is one of their primary threats. Ranaviruses infect cold-blooded vertebrates, with FV3-like ranaviruses being associated with amphibian mortality events across much ...
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A phylogenetic and monographic study of Oxypolis, Ptilimnium, and closely related genera (Apiaceae) (2011-05-25)A phylogenetic and monographic study of Oxypolis, Ptilimnium, and closely related genera in the North American endemics clade of tribe Oenantheae (Apiaceae) was carried out. Sequences from the nuclear ribosomal DNA internal ...
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(2018-06-22)A large body of research has documented evolutionary change in fish populations as a result of selective harvest, a process known as Fisheries-Induced Evolution (FIE). Much of this research has focused on commercially-harvested ...
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(2012-06-27)Lobelia spicata Lam. (Campanulaceae) is a common prairie species found throughout Illinois. Its breeding system, gynodioecy, is relatively rare, and is characterized by having female and hermaphrodite plant morphs coexisting ...
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(2012-02-01)The Illinois chorus frog (Pseudacris illinoensis) is a fossorial species found only in sandy substrates of Illinois, Missouri, and Arkansas. The genetic diversity of the Illinois chorus frog (ICF) in Illinois has not been ...
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(2019-07-16)Understanding associations between habitat and the demography of endangered wildlife is essential for effective management. Habitat and demography relationships are further complicated when different habitat features may ...
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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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(2014-09-16)Aquatic ecosystems and their inhabitants face a long list of threats to their well-being, and the effects of current stressors as well as those that may occur in the future must be assessed for their impact on these systems. ...
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(2016-07-07)The post-fledging period—defined as the time between when a bird leaves its nest and disperses or migrates—is a critical stage in the avian life cycle. Past research has identified survival during this stage as a key ...
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(2018-07-02)Predation is a determining factor influencing the strength and success of a year class in many prey fishes. Chemical, social, and similar predator cues may all inform an individual of a possible impending predatory threat. ...
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Now showing items 114-133 of 198