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Articles 7651 - 7680 of 8567
Full-Text Articles in Physical Sciences and Mathematics
Spruce Budworm In Maine: The End Of The Outbreak: Biological Conditions In 1986, 1987, And 1988, And A Look At The Future, Henry Trial Jr.
Spruce Budworm In Maine: The End Of The Outbreak: Biological Conditions In 1986, 1987, And 1988, And A Look At The Future, Henry Trial Jr.
Maine Collection
Spruce Budworm in Maine: The End of the Outbreak: Biological Conditions in 1986, 1987, and 1988, and a Look at the Future
by Henry Trial, Jr., Insect and Disease Management Division
Technical Report No. 28
Maine Forest Service, Dept. of Conservation, Augusta, Maine, October 1989.
Contents: Introduction / Biological Conditions in 1986, 1987, and 1988 / Control Activities / Forest Conditions-1986 to 1988 and a Look at the Future / Spray Operations and Forecast of Conditions in Quebec and New Brunswick, 1986-1988 / The Future of Budworm in the Region and in Maine / List of Figures / List of …
Resource Law Notes Newsletter, No. 18, Sept. 1989, University Of Colorado Boulder. Natural Resources Law Center
Resource Law Notes Newsletter, No. 18, Sept. 1989, University Of Colorado Boulder. Natural Resources Law Center
Resource Law Notes: The Newsletter of the Natural Resources Law Center (1984-2002)
No abstract provided.
Toxicology Of Synthetic Pyrethroids In Aquatic Organisms: An Overview, Steven P. Bradbury, Joel R. Coats, D. M. Symonik, S. D. Dyer, L. K. Timson, G. J. Atchison
Toxicology Of Synthetic Pyrethroids In Aquatic Organisms: An Overview, Steven P. Bradbury, Joel R. Coats, D. M. Symonik, S. D. Dyer, L. K. Timson, G. J. Atchison
Steven P. Bradbury
The aquatic toxicology of the photostable synthetic pyrethroid insecticides as it affects two important groups of susceptible organisms — fish and aquatic insects — is discussed. The sensitivity of these aquatic species to the pyrethroids is dependent on several factors, including toxicokinetics, target site (nervous system), sensitivity and possible secondary mechanisms of action, as well as chemical and physical properties of the aquatic medium that influence toxicity and bioavailability. Uptake rates and routes of fenvalerate greatly affected the toxicity of fenvalerate to mosquito larvae. LD50 values were determined for cuticular and dietary exposure routes by utilizing radiolabeled fenvalerate at the …
A Colorado River Basin Authority: Opportunity For Sharing River Basin Management And Resources, David H. Getches
A Colorado River Basin Authority: Opportunity For Sharing River Basin Management And Resources, David H. Getches
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
32 pages.
Contains references.
Work Plan For The Missouri Basin States Association, David L. Pope
Work Plan For The Missouri Basin States Association, David L. Pope
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
6 pages.
The Northwest Power Planning Council: A Model For Cooperative Planning In The Missouri Basin?, Gerald Mueller
The Northwest Power Planning Council: A Model For Cooperative Planning In The Missouri Basin?, Gerald Mueller
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
16 pages.
Contains references.
Within The Hundredth Meridian: Western States And Their River Basins In A Time Of Transition, John M. Volkman, Kai N. Lee
Within The Hundredth Meridian: Western States And Their River Basins In A Time Of Transition, John M. Volkman, Kai N. Lee
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
29 pages.
Contains footnotes.
The Delaware River Basin: Courts, Compacts And Commissions, R. Timothy Weston
The Delaware River Basin: Courts, Compacts And Commissions, R. Timothy Weston
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
112 pages (includes illustrations and 1 map).
Contains references.
Marketing Of Indian Reserved Water Rights, Jeanne S. Whiteing
Marketing Of Indian Reserved Water Rights, Jeanne S. Whiteing
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
10 pages.
Coordinated Water Management In A Basin With Erratic Surface Supplies: The Law North And South Of The Pecos, Charles T. Dumars
Coordinated Water Management In A Basin With Erratic Surface Supplies: The Law North And South Of The Pecos, Charles T. Dumars
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
11 pages.
Contains references.
State Resource Sovereignty In A Post-Sporhase World: The Hueco Bolson, A. Dan Tarlock
State Resource Sovereignty In A Post-Sporhase World: The Hueco Bolson, A. Dan Tarlock
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
30 pages.
Contains references.
Unique Legal Issues Raised By Long Distance Water Transfer Proposals: Etsi, The Columbia River, Nawapa, Ralph W. Johnson
Unique Legal Issues Raised By Long Distance Water Transfer Proposals: Etsi, The Columbia River, Nawapa, Ralph W. Johnson
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
12 pages.
Contains references.
The Missouri: River Of Promise Or River Of Peril?, John E. Thorson
The Missouri: River Of Promise Or River Of Peril?, John E. Thorson
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
14 pages (includes 1 map).
Contains references.
Montana’S Response To Interjurisdictional Marketing Challenges, Deborah Beaumont Schmidt
Montana’S Response To Interjurisdictional Marketing Challenges, Deborah Beaumont Schmidt
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
20 pages.
Contains references.
Interjurisdictional Relations Under Federal Water Quality Law: A Guide Through The Maze, Michael C. Blumm, Daniel Rohlf
Interjurisdictional Relations Under Federal Water Quality Law: A Guide Through The Maze, Michael C. Blumm, Daniel Rohlf
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
53 pages.
Contains references.
Allocation And Use Of International Rivers: Recent Developments In International Law, Daniel Barstow Magraw
Allocation And Use Of International Rivers: Recent Developments In International Law, Daniel Barstow Magraw
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
26 pages.
Contains references.
Allocating Groundwater Among Nations, States And Tribes, Ann Berkley Rodgers, Carolyn J. Abeita
Allocating Groundwater Among Nations, States And Tribes, Ann Berkley Rodgers, Carolyn J. Abeita
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
70 pages.
Managing The Upper Rio Grande: Old Institutions, New Players, Steven J. Shupe
Managing The Upper Rio Grande: Old Institutions, New Players, Steven J. Shupe
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
19 pages.
The Colorado River Compact: A Breeding Ground For International, National, And Interstate Controversies, John U. Carlson
The Colorado River Compact: A Breeding Ground For International, National, And Interstate Controversies, John U. Carlson
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
38 pages.
Contains references.
Arkansas River Controversy, David W. Robbins
Arkansas River Controversy, David W. Robbins
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
14 pages.
Agenda: Boundaries And Water: Allocation And Use Of A Shared Resource, University Of Colorado Boulder. Natural Resources Law Center
Agenda: Boundaries And Water: Allocation And Use Of A Shared Resource, University Of Colorado Boulder. Natural Resources Law Center
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
Conference organizers and/or faculty included University of Colorado School of Law professors David H. Getches, Lawrence J. MacDonnell and Charles F. Wilkinson.
Boundaries and Water: Allocation and Use of a Shared Resource is the topic of the Center's annual summer program on water this June. Most of the major rivers in the western United States are shared between two or more states. Often tribal governments play an important role in water allocation and use decisions. International considerations also may be involved in some cases. These interjurisdictional issues extend to groundwater as well as surface water.
This conference will provide the …
Allocation Of The Nation’S Waters: The Constitutional Framework, Charles F. Wilkinson
Allocation Of The Nation’S Waters: The Constitutional Framework, Charles F. Wilkinson
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
19 pages.
Interstate Allocation Of The Platte River, J. David Aiken
Interstate Allocation Of The Platte River, J. David Aiken
Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)
27 pages.
Contains references.
Water Resources Review - June 1989, Annis Water Resources Institute
Water Resources Review - June 1989, Annis Water Resources Institute
AWRI Reviews
No abstract provided.
James River Seed Oyster Bed Project : Physical Data Report, I, 1984-1987, D. Hepworth
James River Seed Oyster Bed Project : Physical Data Report, I, 1984-1987, D. Hepworth
Reports
No abstract provided.
Temporal And Spatial Patterns Of Abundance Of Age 0 Threadfin Shad (Dorosoma Petenense) In Overton Arm, Lake Mead, William Lee Pelle
Temporal And Spatial Patterns Of Abundance Of Age 0 Threadfin Shad (Dorosoma Petenense) In Overton Arm, Lake Mead, William Lee Pelle
Publications (WR)
Temporal and spatial patterns of age 0 threadfin shad (Dorosoma petenense) abundance and growth, in the Overton Arm of Lake Mead, were examined to evaluate the effects of resource availability on the young fish. This was part of a larger, game fishery enhancement study (Lake Mead Fertilization Project), designed to assess feasability of increasing survivorship of larval/juvenile shad by boosting phosphate levels, thereby increasing algal and zooplankton biomass, during the shad spawning period. Shad are the primary forage base for the striped bass (Morone saxatilis) and black bass (Macropterus salmoides) fisheries. Weekly samples were …
The Nebraska Natural Heritage Program: Two Year Progress Report, Mary Clausen, Mike Fritz, Gerry Steinauer
The Nebraska Natural Heritage Program: Two Year Progress Report, Mary Clausen, Mike Fritz, Gerry Steinauer
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
Since European settlement, human activities have totally eliminated the natural vegetation from approximately 50 percent of Nebraska’s landscape, and of that remaining most has been heavily impacted. As a result, numerous plants and animals have been extirpated from the state and many others are threatened.
The destruction of Nebraska’s natural diversity resulted in both public and private conservation groups recognizing the need for a centralized and accessible biological database for the state’s rare species and natural community types. Toward this end, the Nebraska Natural Heritage Program (NENHP) was established in August, 1987 through a cooperative effort between The Nature Conservancy …
The Case Of Rose Island: An Example Of Conflicting Goals And Competing Jurisdictions In Coastal Zone Development, Thomas James Gibson
The Case Of Rose Island: An Example Of Conflicting Goals And Competing Jurisdictions In Coastal Zone Development, Thomas James Gibson
Marine Affairs Theses and Major Papers
The purpose of this paper is to investigate the methods and tactics employed at the local level by all of the participants in the resolution of a controversial coastal development issue. It is the author's goal to present a case study of a proposal that had progressed at least through the local level of the approval process and study the mechanism to see if it produces a socially desirable result. Resolution of the final form that the development of Rose Island will take is no closer today than it was in the Spring of 1986, so this paper necessarily has …
Toxicokinetics And Toxicodynamics Of Pyrethroid Insecticides In Fish, Steven P. Bradbury, Joel R. Coats
Toxicokinetics And Toxicodynamics Of Pyrethroid Insecticides In Fish, Steven P. Bradbury, Joel R. Coats
Steven P. Bradbury
The pyrethroid insecticides are extremely toxic to fish, with 96—h LC50 values generally below 10 μg/L and i.p. and i.v. LD50 values below 20 mg/kg. Corresponding LD50 values in mammals and birds are in the range of several hundred to several thousand milligrams per kilogram. This review examines pyrethroid toxicokinetics and toxicodynamics in fish as critical factors associated with species selectivity. Studies with permethrin, cypermethrin and fenvalerate have established that rates of metabolism and elimination in rainbow trout are significantly lower than those reported for birds and mammals. Comparatively low lethal brain pyrethroid concentrations and nonneural aspects of pyrethroid intoxication …
The United Nations Convention On The Law Of The Sea, And Canadian Official Development Assistance, Lennox O'Riley Hinds
The United Nations Convention On The Law Of The Sea, And Canadian Official Development Assistance, Lennox O'Riley Hinds
Marine Affairs Theses and Major Papers
The purpose of this paper is to examine the needs of developing states created by the 1982 U.N. Convention on the Law of the Sea and the capability of the above cited Canadian aid agencies to provide needed assistance. To achieve the above objective the articles of the Third Convention of the Law of the Sea will be analyzed to establish requirements that coastal states must satisfy when the convention comes into force. Next, the mandates, policies, and programs of the aforementioned agencies will be examined to ascertain their potential to assist developing countries meet their obligations under UNCLOS III. …