Detailed study of selenium in soil, representative plants, water, bottom sediment, and biota in the Kendrick Reclamation Project area, Wyoming, 1988-90

See, Randolph B.; Naftz, David L.; Peterson, David A.; Crock, J.G.; Erdman, James A.; Severson, R.C.; Ramirez, Pedro; Armstrong, JL

doi:10.3133/wri914131

Cited by 11 publications

References 114 publications

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Selenium in a Wyoming Grassland Community Receiving Wastewater from an In Situ Uranium Mine

Ramirez

Rogers

2002

Archives of Environmental Contamination and Toxicology

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Water, soil, vegetation, grasshoppers, bird eggs, and bird livers collected at a 23.5-ha (58 acres) grassland irrigated with wastewater from an in situ uranium mine (study area) and a reference site in 1998 were analyzed for selenium and other trace elements. Selenium concentrations in the uranium mine wastewater applied onto the grassland ranged from 340 to 450 microg/L. Selenium in the upper 15 cm (6 in) of soil from the irrigated grassland at the mine ranged from 2.6 to 4.2 microg/g dry weight (DW). Mean selenium concentrations in soil and water were 5 and 15 times higher at the study area than at the reference site. Selenium concentrations in grasses and grasshoppers ranged from 6.8 to 24 microg/g and 11 to 20 microg/g DW, respectively. Selenium in red-winged blackbird eggs and livers collected from the study area ranged from 13.2 to 22 microg/g and 33 to 53 microg/g DW, respectively, and concentrations were well in excess of toxic thresholds. Mean selenium concentrations in grasses, grasshoppers, and bird eggs and livers were 5.8 to 30 times higher at the study area than at the reference site. Elevated selenium concentrations in water, soil, grasshoppers, and red-winged blackbird eggs and livers collected from the study area demonstrate that selenium is being mobilized and is bioaccumulating in the food chain.

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Selenium in a Wyoming Grassland Community Receiving Wastewater from an In Situ Uranium Mine

Ramirez

Rogers

2002

Archives of Environmental Contamination and Toxicology

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Irrigated Agriculture and Wildlife Conservation: Conflict on a Global Scale

Lemly

Kingsford

Thompson

2000

Environmental Management

268

175

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/ The demand for water to support irrigated agriculture has led to the demise of wetlands and their associated wildlife for decades. This thirst for water is so pervasive that many wetlands considered to be hemispheric reserves for waterbirds have been heavily affected; for example, the California and Nevada wetlands in North America, the Macquarie Marshes in Australia, and the Aral Sea in central Asia. These and other major wetlands have lost most of their historic supplies of water and some have also experienced serious impacts from contaminated subsurface irrigation drainage. Now mere shadows of what they once were in terms of biodiversity and wildlife production, many of the so-called "wetlands of international importance" are no longer the key conservation strongholds they were in the past. The conflict between irrigated agriculture and wildlife conservation has reached a critical point on a global scale. Not only has local wildlife suffered, including the extinction of highly insular species, but a ripple effect has impacted migratory birds worldwide. Human societies reliant on wetlands for their livelihoods are also bearing the cost. Ironically, most of the degradation of these key wetlands occurred during a period of time when public environmental awareness and scientific assertion of the need for wildlife conservation was at an all-time high. However, designation of certain wetlands as "reserves for wildlife" by international review boards has not slowed their continued degradation. To reverse this trend, land and water managers and policy makers must assess the true economic costs of wetland loss and, depending on the outcome of the assessment, use the information as a basis for establishing legally enforceable water rights that protect wetlands from agricultural development.

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Setting site‐specific water‐quality standards by using tissue residue thresholds and bioaccumulation data. Part 2. Calculating site‐specific selenium water‐quality standards for protecting fish and birds

Brix¹,

Toll²,

Tear

et al. 2005

Enviro Toxic and Chemistry

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In a companion paper, a method for deriving tissue residue-based site-specific water-quality standards (SSWQSs) was described. In this paper, the methodology is applied to selenium (Se) as an example. Models were developed to describe Se bioaccumulation in aquatic-dependent bird eggs and whole fish. A simple log-linear model best described Se accumulation in bird eggs (r2 = 0.50). For fish, separate hockey stick regressions were developed for lentic (r2 = 0.65) and lotic environments (r2 = 0.37). The low r2 value for the lotic fish model precludes its reliable use at this time. Corresponding tissue residue criteria (i.e., tissue thresholds) for bird eggs and whole fish also were identified and example model predictions were made. The models were able to predict SSWQSs over a wide range of water-tissue combinations that might be encountered in the environment. The models also were shown to be sensitive to variability in measured tissue residues with relatively small changes in variability (as characterized by the standard error) resulting in relatively large differences in SSWQSs.

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Detailed study of selenium in soil, representative plants, water, bottom sediment, and biota in the Kendrick Reclamation Project area, Wyoming, 1988-90

Abstract: 29. Temporal variations in depth of snow near Rasmus Lee Lake and in total-selenium concentrations, specific conductance, and turbidity in water samples from Rasmus Lee Lake during April, 1988 and

Cited by 11 publications

References 114 publications

Selenium in a Wyoming Grassland Community Receiving Wastewater from an In Situ Uranium Mine

Selenium in a Wyoming Grassland Community Receiving Wastewater from an In Situ Uranium Mine

Irrigated Agriculture and Wildlife Conservation: Conflict on a Global Scale

Setting site‐specific water‐quality standards by using tissue residue thresholds and bioaccumulation data. Part 2. Calculating site‐specific selenium water‐quality standards for protecting fish and birds

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