Publications
Publications from USGS science centers throughout the Southeast Region.
Filter Total Items: 10361
A simulation study of the spatiotemporal dynamics of the Unionid mussels A simulation study of the spatiotemporal dynamics of the Unionid mussels
Abstract not supplied at this time
Authors
Hooi-Ling Lee, D.L. DeAngelis
Effects of habitat suitability on the survival of relocated freshwater mussels Effects of habitat suitability on the survival of relocated freshwater mussels
Freshwater mussels are often relocated from existing beds for both conservation and management reasons. In this study, we empirically tested whether the habitat type at the destination site was important in predicting the success of mussel relocation. In 1993, four species of freshwater mussels were relocated in the Apalachicola River in Florida, into three distinct habitat types: stable...
Authors
Hannah M. Hamilton, Jayne Brim-Box, Robert M. Dorazio
Vertical accretion and shallow subsidence in a mangrove forest of southwestern Florida, U.S.A Vertical accretion and shallow subsidence in a mangrove forest of southwestern Florida, U.S.A
Simultaneous measurements of vertical accretion from artificial soil marker horizons and soil elevation change from sedimentation-erosion table (SET) plots were used to evaluate the processes related to soil building in range, basin, and overwash mangrove forests located in a low-energy lagoon which recieves minor inputs of terregenous sediments. Vertical accretion measures reflect the
Authors
Donald R. Cahoon, J.C. Lynch
Status of aquatic mollusks in the southeastern United States: a downward spiral of diversity Status of aquatic mollusks in the southeastern United States: a downward spiral of diversity
Abstract not supplied at this time
Authors
R. J. Neves, A.E. Bogan, J.D. Williams, S.A. Ahlstedt, P.D. Hartfield
Water resources data Texas, water year 1996, volume 3. Colorado River basin, Lavaca River basin, Guadalupe River basin, Nueces River basin, Rio Grande basin, and intervening coastal basins Water resources data Texas, water year 1996, volume 3. Colorado River basin, Lavaca River basin, Guadalupe River basin, Nueces River basin, Rio Grande basin, and intervening coastal basins
No abstract available.
Authors
S. C. Gandara, W.J. Gibbons, F.L. Andrews, R. E. Jones, D.L. Barbie
Water resources data Texas, water year 1996, volume 2. San Jacinto River basin, Brazos River basin, San Bernard River basin, and intervening coastal basins Water resources data Texas, water year 1996, volume 2. San Jacinto River basin, Brazos River basin, San Bernard River basin, and intervening coastal basins
No abstract available.
Authors
S. C. Gandara, W.J. Gibbons, F.L. Andrews, R. E. Jones, D.L. Barbie
Toxicological and chemical screening of Antarctica sediments: Use of whole sediment toxicity tests, microtox, mutatox and semipermeable membrane devices (SPMDs) Toxicological and chemical screening of Antarctica sediments: Use of whole sediment toxicity tests, microtox, mutatox and semipermeable membrane devices (SPMDs)
Eight whole sediment samples from Antarctica (four from Winter Quarters Bay and four from McMurdo Sound) were toxicologically and chemically evaluated. Also, the influence of ultraviolet radiation on the toxicity and bioavailability of contaminants associated with the sediment samples was assessed. The evaluations were accomplished by use of a 10-day whole sediment test with Leptocheirus
Authors
Laverne Cleveland, Edward E. Little, Jimmie D. Petty, B. Thomas Johnson, Jon A. Lebo, Carl E. Orazio, Jane Dionne
Transboundary pollution: Persistent organochlorine pesticides in migrant birds of the Southwestern United States and Mexico Transboundary pollution: Persistent organochlorine pesticides in migrant birds of the Southwestern United States and Mexico
The hypothesis that migratory birds accumulate persistent organochlorine pesticides (POPs) during the winter in Latin America has been prevalent for many years, particularly since 1,1,1-trichloro-2,2–bis(p-chlorophenyl)ethane (DDT) was banned in the United States in 1972. It has been suggested that peregrine falcons (Falco peregrinus), black-crowned night herons (Nycticorax nycticorax)...
Authors
Miguel A. Mora
Agricultural chemicals in Iowa's ground water, 1982-95: What are the trends? Agricultural chemicals in Iowa's ground water, 1982-95: What are the trends?
The Iowa Department of Natural Resources. Geological Survey Bureau: the University of Iowa Hygienic Laboratory; and the U.S. Geological Survey (USGS) have been working together to address this question. As part of the Iowa Ground-Water Monitoring Program (IGWM). water samples have been collected from selected Iowa municipal wells since 1982. An examination of this data identified two...
Authors
Dana W. Koplin, George Hallberg, D. A. Sneck-Fahrer, Robert Libra
Water-level altitudes 1997, water-level changes 1977-97 and 1996-97, and compaction 1973-96 in the Chicot and Evangeline Aquifers, Houston-Galveston region, Texas Water-level altitudes 1997, water-level changes 1977-97 and 1996-97, and compaction 1973-96 in the Chicot and Evangeline Aquifers, Houston-Galveston region, Texas
This report is one in an annual series of reports that depicts water-level altitudes and water-level changes since 1977 and compaction since 1973 in the Chicot and Evangeline aquifers in the Houston-Galveston region, Texas.
Authors
Mark C. Kasmarek, L.S. Coplin, Horacio X. Santos
Global change and submerged aquatic vegetation research Global change and submerged aquatic vegetation research
Communities of submerged aquatic vegetation (SAY) are important components of many freshwater, brackish, and marine aquatic ecosystems. They prevent erosion by baffling the impacts of waves, especially from storms. These aquatic plant communities remove nutrients and other pollutants from river and runoff inputs to coastal areas, preventing their entry into surrounding waters. They...
Authors
H.A. Neckles, G.R. Guntenspergen, W.M. Rizzo, T.C. Michot
Satellite imagery of South Florida December 1989-December 1996 Satellite imagery of South Florida December 1989-December 1996
No abstract available.
Authors
Richard P. Stumpf, Megan L. Frayer