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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...