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Browse Dissertations and Theses - Prairie Research Institute by Title
Now showing items 68-87 of 198
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(2012-06-27)The epibenthic amphipod Hyalella azteca has long been used as a model organism for toxicity testing. However, current morphological identification of this amphipod has proven to be insufficiently descriptive. Recent ...
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(2014-05-30)Grass carp (Ctenopharyngodon idella), bighead carp (Hypophthalmichthys nobilis), and silver carp (H. molitrix), are three species of Asian carp that were intentionally introduced into the United States in the 1960s and 70s ...
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(2016-07-22)Many species of breeding birds are declining in the United States, and grassland birds are among those experiencing the steepest declines. One of the most widely accepted reasons for decreasing populations is habitat loss. ...
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(2015-01-21)The western corn rootworm (WCR; Diabrotica virgifera virgifera LeConte) is an important chrysomelid pest of corn (Zea mays) in the US. WCR larvae feed on corn roots, while adult beetles may consume aboveground corn tissues. ...
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Habitat overlap and seroprevalence of toxoplasma gondii in wildlife and feral cats in a natural area (2010-05-19)A 2 year cross-sectional study was conducted to evaluate the occurrence of feral and wild cats and the risk of Toxoplasma gondii infection in terrestrial wildlife in a natural area in Piatt County, Illinois. Cats are the ...
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Habitat selection, survival, and disease risk of semiaquatic mammals in a highly altered landscape (2015-07-13)Landscape change in the Midwest, USA has resulted in drainage of most wetlands and isolated those that remain. Semiaquatic species occurring in this region must adapt to novel landscapes and mortality risks and variable ...
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(2015-07-20)For the last four decades, red-headed woodpeckers (Melanerpes erythrocephalus) have experienced steep population declines across much of eastern North America. The most pronounced declines have been in the Midwestern U.S. ...
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(2017-12-05)Agricultural intensification has negatively affected biodiversity throughout the world. In the U.S., population declines of many early successional bird species have been linked with habitat loss due to agriculture. One ...
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(2015-01-21)In order to effectively manage and conserve species, it is essential to have a basic understanding of their ecology. Unfortunately, such information is unavailable for most crayfish species, including the two members of ...
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(2010-01-06)Studying the ecology of terrestrial turtle species provides understanding of their spatial needs. Radio-telemetry was used to study the home range size, movement, habitat use, and nesting of Terrapene carolina. Minimum ...
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(2018-04-20)Dryinidae is a family of ectoparasitoid wasps with cosmopolitan distribution that exclusively preys on and parasitizes members of the suborder Auchenorrhyncha (Hemiptera). Host records of these important biocontrol agents ...
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(2010-01-06)Several environmental stressors can impact the physiology and survival of fishes. Fish experience natural fluctuations in temperature and dissolved oxygen, but variations in these parameters due to anthropogenic sources ...
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(2012-09-18)With urbanization increasing throughout the United States and globally, it is becoming increasingly important to understand the effects of hypoxia (a product of urbanization) on aquatic fauna. This thesis combines two ...
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(2013-02-03)The single greatest concentration of endemic life in the United States, and second greatest in North America, can be found 90 miles northwest of Las Vegas, Nevada in Ash Meadows National Wildlife Refuge. This area is ...
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(2013-05-24)Understanding the mechanisms that govern recruitment in fish populations is fundamental to informing management decisions that are designed to provide sustainable recreational fisheries. The Largemouth Bass (Micropterus ...
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(2012-02-06)Understanding factors important to recruitment in fishes has proven to be a difficult and challenging problem. Largemouth bass Micropterus salmoides, a popular recreational sport fish, is an excellent model species to ...
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(2015-04-21)The primary goal of this PhD work is to promote synergistic integration of wastewater treatment and algal biofuel production. In particular, we proposed and then analyzed the impacts of a novel integrated system that treats ...
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(2011-08-25)Bighead (Hypophthalmichthys nobilis) and silver (H. molitrix) carp (collectively, Asian carp) have invaded the Mississippi River Basin and have successfully established populations in the Illinois River. Correlative studies ...
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(2017-04-26)Early-life conditions can have important implications for somatic and physiological development, and later life survival. For oviparous species, embryonic development occurs wholly within the egg. During this stage, there ...
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(2010-08-20)There must be genetic change both through time and over space for organisms to adapt to local environmental conditions. Gene flow inhibits genetic differences from accumulating over space, while the magnitude of the variance ...
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Now showing items 68-87 of 198