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Search Results for the EPA National Library Catalog
Items Found: 745
Showing: Items 451 - 500
Your Search: (SUBJECT=Productivity)
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Title
Year Published
451
Phosphorus Retention Capacity of Lakes.
1976
452
Photosynthesis and productivity in different environments
1975
453
Photosynthetic pigments of Lake Superior periphyton and their relation to primary productivity,
1970
454
Photosynthetic Production in a Turbid Reservoir.
1971
455
Phycoperiphyton (Algae) as Indicators of Water Quality.
1978
456
Physico-Chemical Limnology and Periphyton in a Warm-Water Stream Receiving Wastewater Treatment Plant Effluent.
1972
457
Physiological Limitations on Phytoplankton Productivity in the Ocean.
1992
458
Phytoplankton growth and chlorophyll levels in the Sacramento-San Joaquin delta through San Pablo Bay /
1977
459
Phytoplankton of Minnesota Lakes. A Preliminary Survey.
1971
460
Phytoplankton pigments in oceanography : guidelines to modern methods /
1997
461
Phytoplankton production and standing stock in the main basin of Puget Sound {final report} /
1977
462
Phytoplankton Productivity and Standing Crop in the Vicinity of the Lake Huron-Saginaw Bay Front.
1980
463
Phytoplankton sampling in quantitative baseline and monitoring programs /
1978
464
Pickwick Lake, Colbert and Lauderdale Counties, Alabama. Tishomingo County, Mississippi. Harding County, Tennessee.
1976
465
Plankton analysis : training manual /
1975
466
Plankton and productivity in the oceans /
1980
467
Plankton and productivity in the oceans.
1963
468
Plankton production
1977
469
Plant standing stock and productivity on tidal flats in Padilla Bay, Washington : a temperate North Pacific estuarine embayment /
1990
470
Pollution and the biological resources of the oceans
1982
471
Pollution and Your Health.
1976
472
Pools and Fluxes of Biogenic Carbon in the Former Soviet Union.
1993
473
Possible Effects of Organochlorine Pesticides on Primary Productivity and Skeletogenesis of New England Estuarine and Coastal Marine Algae.
1972
474
Potamological Effects of Fish Hatchery Discharge on the Jordan River, Northern Lower Michigan.
1972
475
Potential Impact of Drilling Fluids on Estuarine Productivity.
1983
476
Powder Mill Pond, Hillsborough County, New Hampshire.
1974
477
Preliminary Laboratory Research in Experimental Brackish Ecosystems (Recherches Preliminaires en Laboratoire sur des Ecosystems Saumatres Experimentaux).
1974
478
Preliminary producer data synthesis, 1970 comprehensive network sites /
1972
479
Preliminary report on sampling of primary producers, invertebrates, and decomposers on the Jornada site, 1970 /
1971
480
Primary productivity and basic food chain relationships in two Long Island Bays /
1977
481
Primary productivity and biogeochemical cycles in the sea
1992
482
Primary Productivity and Related Processes in New York Harbor as Reflective of Changing Water Quality.
1984
483
Primary productivity in aquatic environments : proceedings of an I.B.P. PF symposium, Pallanza, Italy, April 26-May 1, 1965 /
1966
484
Primary productivity in Norwalk Harbor, Connecticut : July 1976 /
1977
485
Primary productivity in the Chesapeake Bay during the summer of 1964
1967
486
Primary productivity in the sea
1980
487
Primary productivity of the biosphere
1975
488
Printed Wiring Board Pollution Prevention and Control Technology: Analysis of Updated Survey Results.
2001
489
Problem-solving in solid waste management through federal-local cooperation : 8 case studies /
1974
490
Procedures used in setting up the agricultural production model for the Cornell pest management study : supplemental report to alternatives for reducing insecticides on cotton and corn : economic and environmental impact
1977
491
Proceedings : biostimulation - nutrient assessment workshop /
1975
492
Proceedings of Mississippi Water Resources Conference, (6th), Held at Vicksburg, Miss. on 13-14 April, 1971.
1971
493
Proceedings of the Conference on Primary Productivity Measurement, Marine and Freshwater held at University of Hawaii, August 21-September 6, 1961 /
1961
494
Proceedings of the First Gulf of Mexico Hypoxia Management Conference, December 5-6, 1995, Radisson Hotel, Kenner, Louisiana : distribution of bottom water hypoxia in mid-summer for 1992-1995, data from hypoxia monitoring studies of N.N. Rabalais, R.E. Turner, and W.J. Wiseman, Jr.
1995
495
Proceedings of the Southern Forested Wetlands Ecology and Management Conference
1996
496
Production and release of plant material in brackish and freshwater wetlands /
1981
497
Production cycles in aquatic microcosms /
1977
498
Production ecology of wetlands : the IBP synthesis /
1998
499
Production in coastal salt marshes of southern California /
1981
500
Productivity by choice the 20-to-1 principle /
1986
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