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Articles 1 - 6 of 6
Full-Text Articles in Physical Sciences and Mathematics
Science Plan For Potential 2008 Experimental High Flow At Glen Canyon Dam, Grand Canyon Monitoring And Research Center
Science Plan For Potential 2008 Experimental High Flow At Glen Canyon Dam, Grand Canyon Monitoring And Research Center
All U.S. Government Documents (Utah Regional Depository)
No abstract provided.
Fish Nutrient Cycling, Aquatic Respiration, And Terrestrial Insect Nutrient Subsidies To Lakes, Wayne A. Wurtsbaugh
Fish Nutrient Cycling, Aquatic Respiration, And Terrestrial Insect Nutrient Subsidies To Lakes, Wayne A. Wurtsbaugh
Watershed Sciences Faculty Publications
Mehner et al. (2005) reported that fish feeding on terrestrial insects could be important for nutrient budgets and cycling in lakes. They studied bleak (Alburnus alburnus) that fed largely on terrestrial insects, and they suggested that this contributed 2.1% of the lake's nutrient budget and that the subsequent excretion by the fish was equivalent to 11% of epilimnetic dissolved phosphorus concentrations. They concluded that nutrients delivered to lakes via terrestrial insects and recycled by fish would be most important for small lakes because of the large perimeter-to-area ratio between donor and recipient habitats. Fish may have important impacts …
Slides: What's In A Name? The Story Of The Utah Wilderness Reinventory, James R. Rasband
Slides: What's In A Name? The Story Of The Utah Wilderness Reinventory, James R. Rasband
The Future of Natural Resources Law and Policy (Summer Conference, June 6-8)
Presenter: James R. Rasband, J. Reuben Clark Law School, Brigham Young University
23 slides
What’S In A Name? The Story Of The Utah Wilderness Reinventory, James R. Rasband
What’S In A Name? The Story Of The Utah Wilderness Reinventory, James R. Rasband
The Future of Natural Resources Law and Policy (Summer Conference, June 6-8)
14 pages.
Includes bibliographical references
"James R. Rasband, Associate Dean of Research & Academic Affairs and Professor of Law, J. Reuben Clark Law School, Brigham Young University"
Invasive Predators: A Synthesis Of The Past, Present, And Future, William C. Pitt, Gary W. Witmer
Invasive Predators: A Synthesis Of The Past, Present, And Future, William C. Pitt, Gary W. Witmer
USDA Wildlife Services: Staff Publications
Invasive predators have had devastating effects on species around the world and their effects are increasing. Successful invasive predators typically have a high reproductive rate, short generation times, a generalized diet, and are small or secretive. However, the probability of a successful invasion is also dependent on the qualities of the ecosystem invaded. Ecosystems with a limited assemblage of native species are the most susceptible to invasion provided that habitat and climate are favorable. In addition, the number of invasion opportunities for a species increases the likelihood that the species will successfully establish. The list of routes of entry or …
An Evaluation Of Selenium Concentrations In Water, Sediment, Invertebrates, And Fish From The Solomon River Basin, Thomas W. May, James F. Fairchild, Jim D. Petty, Michael J. Walther, Jeff Lucero, Mike Delvaux, Jill Manring, M. Armbruster
An Evaluation Of Selenium Concentrations In Water, Sediment, Invertebrates, And Fish From The Solomon River Basin, Thomas W. May, James F. Fairchild, Jim D. Petty, Michael J. Walther, Jeff Lucero, Mike Delvaux, Jill Manring, M. Armbruster
United States Geological Survey: Staff Publications
The Solomon River Basin is located in north-central Kansas in an area underlain by marine geologic shales. Selenium is an indigenous constituent of these shales and is readily leached into the surrounding groundwater. Portions of the Basin are irrigated primarily through the pumping of selenium-contaminated groundwater from wells onto fields in agricultural production. Water, sediment, macro-invertebrates, and fish were collected from various sites in the Basin in 1998 and analyzed for selenium. Selenium concentrations were analyzed spatially and temporally and compared to reported selenium toxic effect thresholds for specific ecosystem components: water, sediments, food-chain organisms, and whole-body fish. A selenium …