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Browse Dissertations and Theses - Prairie Research Institute by Title
Now showing items 138-157 of 199
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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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(2014-01-16)Minuartia patula, slender sandwort (Caryophyllaceae), is a winter annual found in barrens, glades, rocky outcrops, and dolomite prairies of the eastern and central United States. This species is rare in Illinois, Indiana ...
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(2013-08-22)Brown-headed cowbirds (Molothrus ater) rely solely on hosts to raise their young. Although cowbirds parasitize 200+ species, recent evidence suggests that females avoid unsuitable hosts that either reject parasitic eggs ...
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(2013-05-24)The western corn rootworm, Diabrotica virgifera virgifera LeConte (Coleoptera: Chrysomelidae), is a significant insect pest of corn, Zea mays L. Yield losses and control costs associated with the corn rootworm complex—which ...
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(2015-11-11)Global climate change is expected to alter seawater conditions and marine ecosystems. The Intergovernmental Panel on Climate Change (IPCC) predicts that sea surface pH will decrease by 0.06 - 0.32 pH units and temperature ...
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(2013-05-24)A variety of non-prairie landscapes are restored to prairie on a yearly basis including pastures, croplands, and old fields. Most of these restoration efforts do not take into account the seed bank associated with these ...
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(2016-04-04)Hunting has been declining as a pastime throughout the United States for decades. If this trend persists, it could have serious implications for the continuation of some wildlife agency programs that depend on hunters for ...
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(2008)Recruitment is a highly variable process crucial for the persistence of wild fish populations and the sustainability of fisheries. Based on previous studies, nest success, ontogeny of piscivory, and winter survival are ...
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(2010-05-18)Several bumble bee species in North America appear to have undergone rapid declines in abundance and distribution. Bombus franklini is probably extinct; B. occidentalis and B. affinis currently are experiencing extensive ...
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(2011-05-25)Freshwater mussels are one of the most imperiled groups of animals in North America. Effective conservation strategies and resource management of freshwater mussels require adequately characterizing local mussel assemblages. ...
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(2011-05-25)The breeding and fledging success of Sandhill Cranes (Grus canadensis spp.) in urban landscapes has been largely unexplored by previous research. I evaluated survival and habitat use of young Greater Sandhill Cranes (G. ...
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(2014-09-16)The round goby (Neogobius melanostomus) is a species within a large, tolerant, prolific family of fishes, Gobiidae, and has successfully invaded the Laurentian Great Lakes over the past two decades. Among the many reasons ...
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(2014-09-16)Electrofishing is one of the most widely used methods to sample fishes in freshwater ecosystems. There was an early consensus that AC electrofishing was more injurious to fishes than DC electrofishing, but this was based ...
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(2015-04-23)Amphibians are among the taxa experiencing the largest global decline in biodiversity. Many salamanders, especially North American members of the family Plethodontidae, are at risk of local extirpation because they persist ...
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(2016-12-06)Soil is an important reservoir for chronic wasting disease (CWD) which is a prion disease that infects cervids through both direct contact with infected animals and contact with contaminated environments. I built a boosted ...
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Now showing items 138-157 of 199