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3805 results.

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Page 81, results 2001 - 2025

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Negative effects of commercial mussel dragging on eelgrass beds in Maine
Hilary A. Neckles, Frederick T. Short, Seth Barker, Blaine S. Kopp
2005, Fact Sheet 2005-3054
A study by the US Geological Survey, the University of New Hampshire, and the Maine Department of Marine Resources showed that commercial mussel dragging poses a severe and long-lasting threat to eelgrass (Zostera marina). Dragging can damage large areas, with individual drag scars up to 79 acres in size...
Health-Based Screening Levels and their Application to Water-Quality Data
Patricia L. Toccalino, John S. Zogorski, Julia E. Norman
2005, Fact Sheet 2005-3059
To supplement existing Federal drinking-water standards and guidelines, thereby providing a basis for a more comprehensive evaluation of contaminant-occurrence data in a human-health context, USGS began a collaborative project in 1998 with USEPA, the New Jersey Department of Environmental Protection, and the Oregon Health & Science University to calculate non-enforceable...
Migratory bird pathways and the Gulf of Mexico: Importance of Louisiana's coast
Gregory J. Smith, Wylie Barrow
2005, Fact Sheet 2005-3069
Because of its geographic position, Louisiana plays an important role in the hemispheric-scale phenomenon known as the Nearctic-Neotropical bird migration system. Each year millions of landbirds migrate across or near to the coast of the Gulf of Mexico. Birds migrate in large, broad fronts that sometimes exceed 2 million individuals,...
USGS launches online database: Lichens in National Parks
Jim Bennett
2005, Fact Sheet 2005-3040
If you are interested in lichens and National Parks, now you can query a lichen database that combines these two elements. Using pull-down menus you can: search by park, specifying either species list or the references used for that area; search by species (a report will show the parks in...
Satellite Image Atlas of Glaciers of the World
Richard S. Williams Jr., Jane G. Ferrigno
2005, Fact Sheet 2005-3056
In 1978, the USGS began the preparation of the 11-chapter USGS Professional Paper 1386, 'Satellite Image Atlas of Glaciers of the World'. Between 1979 and 1981, optimum satellite images were distributed to a team of 70 scientists, representing 25 nations and 45 institutions, who agreed to author sections of the...
South Fork Iowa River watershed selected for a national water-quality study
M.L. Erwin, Stephen J. Kalkhoff
2005, Fact Sheet 2005-3064
The U.S. Geological Survey (USGS) is studying seven watersheds across the Nation to better understand how natural factors and agricultural management practices (AMPs) affect the transport of water and chemicals. Natural factors include climate and landscape (soil type, topography, geology), and AMPs include practices related to tillage, irrigation, and chemical...
Bogue Phalia watershed in Mississippi selected for a national water-quality study
Richard Coupe, Paul Capel
2005, Fact Sheet 2005-3050
The U.S. Geological Survey (USGS) is studying seven watersheds across the Nation to better understand how natural factors and agricultural management practices (AMPs) affect the transport of water and chemicals. Natural factors include climate and landscape (soil type, topography, geology), and AMPs include practices related to tillage, irrigation, and chemical...
Oil and gas assessment of central North Slope, Alaska, 2005
Kenneth J. Bird, David W. Houseknecht, E. D. Attanasi, Thomas E. Moore, Phillip H. Nelson, Christopher J. Potter, Christopher J. Schenk, John H. Schuenemeyer, Mahendra K. Verma, Richard W. Saltus, Jeffery D. Phillips, Ronald R. Charpentier, Troy A. Cook, Timothy R. Klett, Richard M. Pollastro, Peter H. Stauffer, James W. Hendley II
2005, Fact Sheet 2005-3043
No abstract available....