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Items Found: 447
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Your Search: (SUBJECT=Biological productivity.)
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'Cladophora' as Related to Pollution and Eutrophication in Western Lake Erie.
A Manual on methods for the assessment of secondary productivity in fresh waters /
A paleolimnological comparison of Burntside and Shagawa Lakes, Northeastern Minnesota /
A preliminary compartment model of a tallgrass prairie, Osage site, 1970 /
A problem with flux chamber measurements of biogenic sulfur emissions /
Above- and Belowground Emergent Macrophyte Production and Turnover in a Coastal Marsh Ecosystem, Georgia.
Agricultural production in the United States by county : a compilation of information from the 1974 Census of Agriculture for use in terrestrial food-chain transport and assessment models /
Albert Lea Lake, Freeborn County, Minnesota.
Algae-Bacteria Interaction in a Light-Dark Cycle (Journal Version).
Algae-Temperature-Nutrient Relationships and Distribution in Lake Erie - 1968.
Algal Growth and Decomposition: Effects on Water Quality, Phase II. Nutrient Regeneration, Composition, and Decomposition of Algae in Batch Culture.
Algal metabolite influence on bloom sequence in eutrophied freshwater ponds /
Allegheny Reservoir, McKean and Warren Counties, Pennsylvania and Cattaraugus County, New York.
Altoona Lake, Eau Claire County, Wisconsin.
American-Soviet Symposium on the Biological Effects of Pollution on Marine Organisms (1st).
Analysis of Pollution from Marine Engines and Effects on the Environment.
Analysis of Pollution from Marine Engines and Effects on the Environment. Southern Lakes.
Analytical Studies for Assessing the Impact of Sanitary Sewage Facilities of Delaware Co., Ohio.
Annual Nutrient Cycles in a Marine Microcosm.
Annual Phytoplankton Metabolism in Narragansett Bay Calculated from Survey Field Measurements and Microcosm Oberservations.
Appendix to Entrainment at a Once-Through Cooling System on Western Lake Erie. Volume II. Appendices.
Aquatic productivity : an introduction to some basic aspects of biological oceanography and limnology /
Arrowhead Mountain Lake Chittenden and Franklin Counties Vermont.
Badger Lake, Polk County, Minnesota.
Barren River Reservoir, Allen and Barren Counties, Kentucky.
Bartlett Lake, Koochiching County, Minnesota.
Basic Research in the Aquatic Environment: Effects of Eutrophication on Phytoplankton Populations and Selected Species of Aquatic Vascular Plants.
Bay of Naples and Sebago Lake, Cumberland County, Maine.
Beach City Reservoir, Stark, and Tuscarawas Counties, Ohio.
Bear Lake, Freeborn County, Minnesota.
Berlin Reservoir, Mahoning, Portage, and Stark Counties, Ohio.
Big Creek Reservoir, Polk County, Iowa.
Big Eau Pleine Reservoir, Marathon County, Wisconsin.
Biogenic Structure of Lower Chesapeake Bay Sediments.
Biogenic sulfur compounds in coastal atmospheres of North Carolina /
Biogeochemistry of Devils Lake, North Dakota.
Biological Effects of Wastes Discharged to the North Platte River, Torrington, Wyoming-Bridgeport, Nebraska November 14 and 15, 1962.
Biological Investigations of Lake Wingra.
Biological Investigations of Tuttle Creek Reservoir - Kansas.
Biological Models of Freshwater Communities.
Biological Productivity of the Coeur D 'Alene River as Related to Water Quality.
Biological Survey of Harlan County Reservoir - Nebraska, August 1969.
Biological Survey of Milford Reservoir, Kansas, August 1969.
Biological Survey of Wilson Reservoir - Saline River, Kansas, August 1970.
Biological, chemical and physical relationships in the Straits of Mackinac /
Biostimulation Characteristics of Wastes and Receiving Waters of the Snake River Basin.
Birch Lake, Cass County, Minnesota.
Black Hawk Lake, Sac County, Iowa.
Blackduck Lake, Beltrami County, Minnesota.
Blackhoof Lake, Crow Wing County, Minnesota.
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