# Browse Dissertations and Theses - Natural Resources and Environmental Sciences by Title

• (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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• (2013-08-22)
Predation is the leading cause of nest failure for many birds and is an important source of natural selection that shapes avian behavior and life-history traits. However, our understanding of the relationship between habitat ...

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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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• (1996)
The research in this thesis is made up of three related experiments, each concerned with nitrate (NO$\sb{3-})$ accumulation and reduction in hydroponically-grown lettuce (Lactuca sativa L.), and its relationship to various ...

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• (1996)
Three independent but interrelated experiments were conducted to investigate the effects of growing media, irrigation systems and NO3-N concentrations on geranium (Pelargonium hortorum) stock plant production cv "Yours ...

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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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• (2014-05-30)
Agricultural nutrient loss (N and P) from the Midwestern United States is an important issue, especially from tile drained land. There are a wide range of in-field and edge-of-field practices to reduce losses that have ...

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• (2014-09-16)
Anthropogenic alterations to terrestrial habitat (e.g., urbanization, deforestation, agriculture) can have a variety of negative effects on riverine systems that flow through disturbed landscapes. These in-stream changes ...

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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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• (2012-02-06)
Wetlands are vital ecosystems that provide a wide range of services. Much attention has been focused on wetlands’ ability to retain and remove pollutants, in particular nitrogen, from streams and waterways. For example, ...

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• (2010-08-31)
Phytoecdysteroids are plant-produced polyhydroxylated steroidal compounds that have valued bioactivities including plant defense against herbivorous insects, and growth and performance-enhancing properties in mammals. In ...

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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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• (2013-02-03)
The demand for energy has been increasing, and petroleum and coal will remain the two major energy sources around the globe. In addition, alternative sources for crude-oil-based liquid fuels, such as biofuels, are also ...

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• (2011-08-25)
It is estimated that 95% of all federally endangered Indiana bats (Myotis sodalis) hibernate in 71 hibernacula in the eastern US. Given the species’ high site fidelity, seasonally heightened population densities, and the ...

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• (2013-05-24)
Aircraft collisions with wildlife are a major safety and economic concern for the aviation industry. Birdstrikes in particular are increasing due to rises in both the number of aircraft flights and the populations of ...

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• (2013-08-22)
Knowledge related to seed persistence in soil is critical for weed control decisions in the integrated weed management systems. Many annual weed species have dormant soil seed banks (SSBs), and this may be an important ...

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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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• (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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• (2012-09-18)
The objective of my work was to determine factors that affect uptake of N by cool-season turfgrasses. Experiments were conducted to determine the quantity of foliar-applied N that is absorbed by turfgrass leaves, ways to ...

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