We are inviting IDEALS users, both people looking for materials in IDEALS and those who want to deposit their work, to give us feedback on improving this service through an interview. Participants will receive a $20 VISA gift card. Please sign up via webform. # Browse Dissertations and Theses - Natural Resources and Environmental Sciences by Title • (2010-05-18) Parents play an important role in creating phenotypic variation in their offspring through genetic and environmental mechanisms. For example, mothers can influence their offspring via hormonally-mediated maternal effects. ... application/pdf PDF (448kB) • (2013-05-24) Fundamental to understanding species ecology, is the evaluation of predator-prey interaction strengths and their spatial heterogeneity. Traditional dietary assessment methods of examining individual’s stomach contents ... application/pdf PDF (2MB) • (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 ... application/pdf PDF (658kB) • (1998) This study investigates how the presence of trees and grass in outdoor common spaces, and exposure to these natural elements enhance inner-city older adults' social integration and important aspects of their well-being. ... application/pdf PDF (7MB) • (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 ... application/pdf PDF (2MB) • (2009) This research investigated the influence of management on indicators of soil quality and nematode community structure in systems transitioning from conventional to organic production. The goal was to improve soil assessment ... application/pdf PDF (3MB) • (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 ... application/pdf PDF (659kB) • (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 ... application/pdf PDF (2MB) • (2001) Agriculture is an appropriate landscape context for grassland reserves. I found agricultural edges do not influence nest predation, reserves in agricultural settings support successful nesting throughout breeding seasons, ... application/pdf PDF (4MB) • (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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• (2006)
This dissertation focuses on key issues in the analysis and application of sustainability in urban planning and household energy consumption. First, we address the need for a better method to translate the concept and tools ...

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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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• (1998)
Reduction of structural Fe in the clay greatly increased the adsorption and produced substantial degradation of all pesticides. When reacted with chemically treated clays, the total amount of atrazine removed from solution ...

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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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• (2002)
The focus of my dissertation research was assessing the inter- and intra-specific physiological diversity of centrarchid fishes (freshwater sunfish), and examining how this variation shapes their conservation needs. To ...

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