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Browse Dissertations and Theses - Prairie Research Institute by Title
Now showing items 123-142 of 198
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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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(2014-01-16)The effect of multiple stressors on global water resources have been increasing rapidly over the past few decades. Anthropogenic activities such as rapid industrialization, urbanization, deforestation and increased application ...
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(2015-07-20)Invasive bighead (Hypophthalmichthys nobilis) and silver carp (Hypophthalmichthys molitrix) have become established throughout much of the Mississippi River basin. In many areas, these two species comprise a significant ...
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(1998)The thesis explains key factors and events that influenced the various adoption/rejection decisions regarding this technology. Additionally, the efforts of the State P2 change agents to promote the technology are evaluated ...
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(2015-07-21)Island systems serve as important models for studies of evolutionary processes and speciation. The Hawaiian Island group is one of the most isolated island chains in the world, and many groups of insects have undergone ...
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(2010-08-31)Acroneuria frisoni Stark & Brown, 1991(Plecoptera: Perlidae), is a highly threatened stonefly species which in Illinois alone has experienced a 98% loss of its historical range. Some previously degraded drainages within ...
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(University of Illinois at Urbana-Champaign, 2005-05-15)As part of the Critical Trends Assessment Program (CTAP) of the Illinois Department of Natural Resources, 18 potential reference quality stream reaches in the Grand Prairie Natural Division were evaluated in May 2004 and ...
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(2015-01-21)Enhanced management of hunting/fishing activities could be attained by understanding factors influencing license sales. Previous studies suggest socioeconomic status significantly influences participation in recreational ...
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(2016-04-13)The Conservation Reserve (CRP) and Conservation Reserve Enhancement Programs (CREP), funded by federal and state government, offer farmers financial incentives to take erosive agricultural lands out of production. Within ...
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Now showing items 123-142 of 198