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United States Environmental Protection Agency
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Search Results for the EPA National Library Catalog
Items Found: 787
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Your Search: (SUBJECT=Productivity)
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'Cladophora' as Related to Pollution and Eutrophication in Western Lake Erie.
A journey into the heroic environment : a personal guide for creating a work environment built on shared values /
A manual on methods for measuring primary production in aquatic environments /
A manual on methods for measuring primary production in aquatic environments, including a chapter on bacteria /
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 /
A report on phase I development of a preliminary plan and program for a study of toxicity and biostimulation in San Francisco Bay-Delta waters /
Above- and Belowground Emergent Macrophyte Production and Turnover in a Coastal Marsh Ecosystem, Georgia.
Acid Precipitation: Basic Principles and Ecological Consequences.
Acidic deposition and Adirondack forest soil fertility an appraisal /
Adhocracy the power to change /
Agricultural and environmental relationships : issues and priorities : report /
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 /
Agricultural productivity in the United States /
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).
An Amazonian rain forest : the structure and function of a nutrient stressed ecosystem and the impact of slash-and-burn agriculture /
An in situ evaluation of nutrient effects in lakes /
Analysis and Evaluation of the EPA: Common Sense Initiative.
Analysis of Pollution from Marine Engines and Effects on the Environment.
Analysis of Pollution from Marine Engines and Effects on the Environment. Southern Lakes.
Analysis of primary production observed during 1966-1975 in central Puget Sound, Washington final report /
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.
APO programmes, 2000-2004 : introduction, summary of 2000 programme, summary of 2001 programme, five-year plan (outline), 2000-2004 /
Appendix to Entrainment at a Once-Through Cooling System on Western Lake Erie. Volume II. Appendices.
Application of Topographically Distributed Models of Energy, Water and Carbon Balance over the Columbia River Basin: A Framework for Simulating Potential Climate Change Effects at the Regional Scale.
Aquatic primary productivity and physical-chemical limnology on the Pawnee site /
Aquatic productivity : an introduction to some basic aspects of biological oceanography and limnology /
ARCS contracts users' manual.
Arrowhead Mountain Lake Chittenden and Franklin Counties Vermont.
Assessing management effects on Pacific Northwest forest site productivity : an inventory and evaluation of research and operational sites /
Assessment of Forest Sensitivity to Nitrogen and Sulfur Deposition in Maine. Conference of New England Governors and Eastern Canadian Premiers Forest Mapping Group.
Avian density and productivity studies and analysis on the Pawnee site in 1972 /
Badger Lake, Polk County, Minnesota.
Balanced scorecard : translating strategy into action /
Balanced scorecard in the federal government /
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.
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