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Articles 34351 - 34380 of 43019
Full-Text Articles in Entire DC Network
Environmental Quality 1980 - Hillsborough County Florida, Hillsborough County Environmental Protection Commission
Environmental Quality 1980 - Hillsborough County Florida, Hillsborough County Environmental Protection Commission
Reports
This report summarizes at least 111,497 air pollutant samples collected at about 86 sampling stations throughout Hillsborough County during 1980. Enclosed maps attempt to depict the cleaner and dirtier areas of Hillsborough County, while data summaries show where and how often air quality standards were exceeded during 1980.
This broad base of water data obtained during 1972-1980 provides useful background data for eventual development, revision and enforcement a f regulations, standard effluent limi tation plans, or programs established under the Federal Water Pollution Control Act of 1972.
Theory And Research In Social Education 08/04 , National Council For The Social Studies. College And University Faculty Assembly
Theory And Research In Social Education 08/04 , National Council For The Social Studies. College And University Faculty Assembly
College of Education Publications
No abstract provided.
Trophodynamics Of The Fish Valenciennellus Tripunctulatus. Ii. Selectivity, Grazing Rates And Resource Utilization, R. C. Baird, Thomas L. Hopkins
Trophodynamics Of The Fish Valenciennellus Tripunctulatus. Ii. Selectivity, Grazing Rates And Resource Utilization, R. C. Baird, Thomas L. Hopkins
Marine Science Faculty Publications
Various patterns of resource utilization in the feeding strategy of Valenciennellus tripunctulatus, a small mesopelagic fish of tropical-subtropical oceans, were explored. Ivlev electivity indices suggest that copepods in general and the genus Pleuromamma in particular are being actively selected. Prey-size selection was apparent and strong negative indices were calculated for all plankton smaller than 1 mm. Non-crustacean prey in all size classes also gave negative indices. Strong positive indices were indicated for prey size classes greater than 2 mm. A model was developed to estimate grazing rates and efficiencies which is linearly influenced by swimming speed and plankton abundance, …
Trophodynamics Of The Fish Valenciennellus Tripunctulatus Iii Energetics, Resources And Feeding Strategy, Ronald C. Baird, Thomas L. Hopkins
Trophodynamics Of The Fish Valenciennellus Tripunctulatus Iii Energetics, Resources And Feeding Strategy, Ronald C. Baird, Thomas L. Hopkins
Marine Science Faculty Publications
A model was constructed which relates energy in diet to metabolic requirements for the mesopelagic zooplanktivore fish Valenciennellus tripunctulatus. Linear and Von Bertalanffy growth models were used to explore the energetic consequences of a number of feasible age/growth strategies. Maxlmum efficiencies were obtained with linear growth to about 30 mm in 1 y. Efficiencies declined rapidly for slower growth strategies. It was hypothesized that an 'annual' life history strategy was optimum based on energetic considerations. Copepod prey in the 1-2 mm size class were an order of magnitude more abundant and over 4 times higher in caloric content than …
Identification Quiz, Tim Manolis
Back Matter (Pdf), Western Birds
Ecology Of Nesting Hawaiian Common Gallinules At Hanalei, Hawaii, G. Vernon Byrd, C. Fred Zeillemaker
Ecology Of Nesting Hawaiian Common Gallinules At Hanalei, Hawaii, G. Vernon Byrd, C. Fred Zeillemaker
Western Birds
No abstract provided.
Dippers Capturing Fish During Winter In The Yukon Territory, Donald A. Young, L. F. Kratt
Dippers Capturing Fish During Winter In The Yukon Territory, Donald A. Young, L. F. Kratt
Western Birds
No abstract provided.
Phenology And Status Of The Shorebirds In Northern Utah, Tex A. Sordahl
Phenology And Status Of The Shorebirds In Northern Utah, Tex A. Sordahl
Western Birds
No abstract provided.
Theory And Research In Social Education, Volume 9, No. 3, Fall 1981, Thomas S. Popkewitz
Theory And Research In Social Education, Volume 9, No. 3, Fall 1981, Thomas S. Popkewitz
Theory and Research in Social Education
No abstract provided.
Vocal Mimicry In The Curve-Billed Thrasher, Michael K. Rylander
Vocal Mimicry In The Curve-Billed Thrasher, Michael K. Rylander
Bulletin of the Texas Ornithological Society
No abstract provided.
Book Review: Birds Of The Great Plains: Breeding Species And Their Distribution, Terry C. Maxwell
Book Review: Birds Of The Great Plains: Breeding Species And Their Distribution, Terry C. Maxwell
Bulletin of the Texas Ornithological Society
No abstract provided.
Raptor Use Of An East Texas Clearcut; Barn Owl Nest Activity And Behavior Of Incubating Adult, Richard N. Conner, James G. Dickson, J. Howard Williamson, Kirk L. Hamilton
Raptor Use Of An East Texas Clearcut; Barn Owl Nest Activity And Behavior Of Incubating Adult, Richard N. Conner, James G. Dickson, J. Howard Williamson, Kirk L. Hamilton
Bulletin of the Texas Ornithological Society
No abstract provided.
Barn Owl Nest Activity And Behavior Of Incubating Adult, Kirk L. Hamilton, Annemarie E. Hamilton
Barn Owl Nest Activity And Behavior Of Incubating Adult, Kirk L. Hamilton, Annemarie E. Hamilton
Bulletin of the Texas Ornithological Society
No abstract provided.
Range Extension Of The Pauraque In Texas, Steve West
Range Extension Of The Pauraque In Texas, Steve West
Bulletin of the Texas Ornithological Society
No abstract provided.
Nesting Distribution And Migration Of Glossy Ibis In Florida, John C. Ogden
Nesting Distribution And Migration Of Glossy Ibis In Florida, John C. Ogden
Florida Field Naturalist
No abstract provided.
American Robins And Cedar Waxwings Rain-Bathing Under Lawn Sprinklers, Florida Field Naturalist
American Robins And Cedar Waxwings Rain-Bathing Under Lawn Sprinklers, Florida Field Naturalist
Florida Field Naturalist
No abstract provided.
Nesting Of The Summer Tanager Near Oviedo, Florida, Florida Field Naturalist
Nesting Of The Summer Tanager Near Oviedo, Florida, Florida Field Naturalist
Florida Field Naturalist
No abstract provided.
Cave Research Foundation Newsletter, January 1981, Diana Daunt Mergens
Cave Research Foundation Newsletter, January 1981, Diana Daunt Mergens
Cave Research Foundation Newsletter
Contents: world Heritage List -- The Kentucky Cave Shrimp -- Mammoth Cave's New Entrance -- Shrimp Hearing Postponed -- Interviews -- Safety At MCNP -- Endowment Fund
Selected Vertebrate Endangered Species Of The Seacoast Of The United States, Florida Field Naturalist
Selected Vertebrate Endangered Species Of The Seacoast Of The United States, Florida Field Naturalist
Florida Field Naturalist
No abstract provided.
A Bibliography Of South Florida Wading Birds, Florida Field Naturalist
A Bibliography Of South Florida Wading Birds, Florida Field Naturalist
Florida Field Naturalist
No abstract provided.
Acknowledgement, Florida Field Naturalist
Acknowledgement, Florida Field Naturalist
Florida Field Naturalist
No abstract provided.
Summary Of The 1981 Spring Meeting, Florida Field Naturalist
Summary Of The 1981 Spring Meeting, Florida Field Naturalist
Florida Field Naturalist
No abstract provided.
Back Matter (Pdf), Western Birds
Bulletin Board, Western Birds
An Albinistic Band-Tailed Pigeon In Evergreen, Colorado, Paul D. Curtis
An Albinistic Band-Tailed Pigeon In Evergreen, Colorado, Paul D. Curtis
Western Birds
No abstract provided.
A Census Of The Light-Footed Clapper Rail In California, Richard Zembal, Barbara W. Massey
A Census Of The Light-Footed Clapper Rail In California, Richard Zembal, Barbara W. Massey
Western Birds
No abstract provided.
Identification And Distribution Of Clark's Grebe, John T. Ratti
Identification And Distribution Of Clark's Grebe, John T. Ratti
Western Birds
No abstract provided.
Back Matter (Pdf), Western Birds
Midsummer Occurrence Of The Horned Puffin In Rosario Strait, Washington, Asa C. Thoresen
Midsummer Occurrence Of The Horned Puffin In Rosario Strait, Washington, Asa C. Thoresen
Western Birds
No abstract provided.