Showing results under subject: 'geographic'

Freshwater isopods (Asellidae) of North America

Author: Williams, W. D. (William David) - Oceanography and Limnology Program (Smithsonian Institution) - United States. Environmental Protection Agency.
Publisher:Washington,US Environmental Protection Agency for sale by the Supt of Docs, US Govt Print Off 1972
Abstract:

Review of Alberta Environment's ecosystem goods and services assessment - southern Alberta phase 2 report

Author: Alberta. Alberta Environment. - Management and Solutions in Environmental Science.
Publisher:Calgary,Alberta Environment 2007
Abstract:

Aquatic dryopoid beetles (Coleoptera) of the United States

Author: Brown, Harley P. (Harley Proctor), - Oceanography and Limnology Program (Smithsonian Institution) - United States. Environmental Protection Agency.
Publisher:Washington,US Environmental Protection Agency for sale by the Supt of Docs, US Govt Print Off 1972
Abstract:

Massachusetts natural heritage program : plant community classification

Author: Massachusetts. Dept. of Environmental Management. - Nature Conservancy (U.S.)
Publisher:Sl,sn 1979
Abstract:

Biological integrity of the Upper Stillwater River based on the composition and structure of the Benthic algae community

Author: Bahls, Loren L. - Montana. Department of Environmental Quality
Publisher:Helena Mont,Montana Dept of Environmental Quality 2001
Abstract:

Biological integrity of Mol Heron Creek, Park County, Montana based on the composition and structure of the Benthic algae community

Author: Bahls, Loren L. - Montana. Department of Environmental Quality
Publisher:Helena Mont,Montana Dept of Environmental Quality 2000
Abstract:

A Low-cost transplanting technique for shoalgrass (Halodule wrightii) and manatee grass (Syringodium filiforme)

Author: Fonseca, Mark S. - Environmental Laboratory (U.S. Army Engineer Waterways Experiment Station)
Publisher:Vicksburg Miss,Environmental Laboratory, US Army Engineer Waterways Experiment Station 1984
Abstract:

Biological integrity of East Rosebud Creek based on the composition and structure of the Benthic algae community

Author: Bahls, Loren L. - Montana. Department of Environmental Quality
Publisher:Helena Mont,Montana Dept of Environmental Quality 2001
Abstract:

Aquatic macroinvertebrate survey : streams of the plains ecoregions of Montana : 1995

Author: Bollman, Wease. - Parkin, Kate. - Spawn, Rebecca. - Montana. Department of Environmental Quality - BlueStem Incorporated.
Publisher:Helena,Montana Dept of Environmental Quality 1997
Abstract:

Biological integrity of Bear Creek, Park County , Montana based on the composition and structure of the Benthic algae community

Author: Bahls, Loren L. - Montana. Department of Environmental Quality
Publisher:Helena Mont,Montana Dept of Environmental Quality 2000
Abstract:
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