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1987

Natural Resources and Conservation

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Articles 1 - 30 of 97

Full-Text Articles in Physical Sciences and Mathematics

River Discharge Study, Laughlin, Nevada: Field Survey Data, 1987, B. Dennis Hugh, David L. Stringfield, Jill C. Bicknell, Robert A. Ryder, Clark County Sanitation District, Nevada Dec 1987

River Discharge Study, Laughlin, Nevada: Field Survey Data, 1987, B. Dennis Hugh, David L. Stringfield, Jill C. Bicknell, Robert A. Ryder, Clark County Sanitation District, Nevada

Publications (WR)

A report of the first field data collection effort for the Laughlin River Discharge Study, conducted by Kennedy/Jenks/ChiIton in February, 1987, on the Mohave Reach of the Colorado River. This report also serves to transmit the laboratory analysis reports for all of the analyses performed and summary tables of the results.

This report is organized as follows:

1. Field Conditions and Methodology

2. Summary of Sampling and Analysis Results

3. Deviations from the Proposed Sampling Program

4. Recommendations for Future Sampling

5. Attachments:

A. Climatological Data

B. Davis Dam Average Hourly Releases

C. Laboratory Analysis Reports


Lake Mead Prefertilization Study: Preliminary Nutrient Enhancement Studies In Lake Mead, Richard P. Axler, Larry J. Paulson, Patrick J. Sollberger, Donald H. Baepler, U.S. Bureau Of Reclamation Nov 1987

Lake Mead Prefertilization Study: Preliminary Nutrient Enhancement Studies In Lake Mead, Richard P. Axler, Larry J. Paulson, Patrick J. Sollberger, Donald H. Baepler, U.S. Bureau Of Reclamation

Publications (WR)

Studies conducted by the University of Nevada-Las Vegas (UNLV), the Nevada Department of Wildlife (NDOW), the Arizona Game and Fish Department (AGFD), The Nevada Division of Environmental Protection (NDEP), and the United States Bureau of Reclamation (USBR) have identified decreased algal production as a major factor involved in the decline of the Lake Mead sport fishery. Phosphorus-laden silt particles in the Colorado River have been sedimenting out in Lake Powell since the completion of Glen Canyon Dam 286 miles upstream in 1963. This sharp decrease in phosphorus loading to Lake Mead (>5000 tons per year) has resulted in decreased biomass ...


Resource Law Notes Newsletter, No. 12, Nov. 1987, University Of Colorado Boulder. Natural Resources Law Center Nov 1987

Resource Law Notes Newsletter, No. 12, Nov. 1987, University Of Colorado Boulder. Natural Resources Law Center

Resource Law Notes: The Newsletter of the Natural Resources Law Center (1984-2002)

No abstract provided.


Water Erosion In The Geraldton Area During June-July 1986, K J. Bligh Nov 1987

Water Erosion In The Geraldton Area During June-July 1986, K J. Bligh

Resource management technical reports

No abstract provided.


Fox Squirrel Interaction With Electrical Transformers, J. Christipher Hamilton Oct 1987

Fox Squirrel Interaction With Electrical Transformers, J. Christipher Hamilton

Dissertations & Theses in Natural Resources

No abstract provided.


Fox Squirrel Interaction With Electrical Transformers, J. Christopher Hamilton Oct 1987

Fox Squirrel Interaction With Electrical Transformers, J. Christopher Hamilton

Dissertations & Theses in Natural Resources

No abstract provided.


Thermal Tolerances And Preferences Of Fishes Of The Virgin River System (Utah, Arizona, Nevada), James E. Deacon, Paul B. Schumann, Edward L. Stuenkel Oct 1987

Thermal Tolerances And Preferences Of Fishes Of The Virgin River System (Utah, Arizona, Nevada), James E. Deacon, Paul B. Schumann, Edward L. Stuenkel

Publications (WR)

Critical thermal maxima (CTM) and thermal preferenda of the common fishes of the Virgin River were examined. Differences in final temperature preferenda and CTM for species with low thermal lability (speckled dace, spinedace, roundtail chub) correspond well with differences in their distribution and abundance in the river. These species shifted their acute thermal preferences relatively little as acclimation temperature increased. For thermally labile species (woundfin, red shiner, desert sucker, and fiannehnouth sucker), the final preferendum is a less precise indicator of probable distribution. The woundfin, an endangered fish, has a high CTM (39.5 C at 25 C acclimation) and ...


Drought In The Great Plains: A Bibliography (Camac Progress Report 87-5), Donald A. Wilhite, Deborah A. Wood Oct 1987

Drought In The Great Plains: A Bibliography (Camac Progress Report 87-5), Donald A. Wilhite, Deborah A. Wood

Papers in Natural Resources

No abstract provided.


Benthic Invertebrates And Crayfish Of Lake Mead, Susan K. Peck, William L. Pratt, James E. Pollard, Larry J. Paulson, Donald H. Baepler Sep 1987

Benthic Invertebrates And Crayfish Of Lake Mead, Susan K. Peck, William L. Pratt, James E. Pollard, Larry J. Paulson, Donald H. Baepler

Publications (WR)

The objectives of this study were to:

1. Establish baseline densities of benthic invertebrates and relative abundance of crayfish in Lake Mead.

2. Evaluate the distributions of benthic organisms and crayfish in relation to existing habitat conditions and 1imnological characteristics of Lake Mead.

3. Measure seasonal changes in abundances of benthic organisms and crayfish in Lake Mead.

4. Compare observations of Procambarus clarkii life history in Lake Mead to reports from other aquatic systems.

5. Evaluate the importance of benthic organisms and crayfish as food sources for game fish in Lake Mead.


Agenda: Proceedings Of The Sino-American Conference On Environmental Law, University Of Colorado Boulder. Natural Resources Law Center Aug 1987

Agenda: Proceedings Of The Sino-American Conference On Environmental Law, University Of Colorado Boulder. Natural Resources Law Center

Proceedings of the Sino-American Conference on Environmental Law (August 16)

On August 16 through 18, 1987 a delegation of 10 Americans met with a 14-member Chinese delegation to compare the systems of environmental law in the two countries. The meetings were held on and near the campus of the University of Peking in Beijing, People's Republic of China. This program was the fruition of nearly three years of discussion, planning, and organization involving Dean Betsy Levin and the Natural Resources Law Center.

The keynote speaker was Qu Geping, Director of the Chinese National Environmental Protection Bureau (comparable to the Administrator of the U.S. Environmental Protection Agency). He spoke ...


Overview Of The U.S. System Of Environmental Law, Lawrence J. Macdonnell Aug 1987

Overview Of The U.S. System Of Environmental Law, Lawrence J. Macdonnell

Proceedings of the Sino-American Conference on Environmental Law (August 16)

25 pages (includes illustrations).

Contains 3 pages of references.


The Control Of Air And Water Pollution In The United States Of America, Stuart L. Deutsch, A. Dan Tarlock Aug 1987

The Control Of Air And Water Pollution In The United States Of America, Stuart L. Deutsch, A. Dan Tarlock

Proceedings of the Sino-American Conference on Environmental Law (August 16)

14 pages.

Contains 2 pages of references.


Hazardous Waste Controls In The United States, 1987, David R. Andrews Aug 1987

Hazardous Waste Controls In The United States, 1987, David R. Andrews

Proceedings of the Sino-American Conference on Environmental Law (August 16)

10 pages.


Wilderness And Natural Area Preservation In The United States: A Survey Of National Laws, George W. Pring, Stephen Miller Aug 1987

Wilderness And Natural Area Preservation In The United States: A Survey Of National Laws, George W. Pring, Stephen Miller

Proceedings of the Sino-American Conference on Environmental Law (August 16)

32 pages.

Contains 5 pages of endnotes.


The Law Of Wildlife Protection In The United States, David H. Getches Aug 1987

The Law Of Wildlife Protection In The United States, David H. Getches

Proceedings of the Sino-American Conference on Environmental Law (August 16)

27 pages.

Contains 12 pages of endnotes.


International Law And The Environment, Daniel Barstow Magraw Aug 1987

International Law And The Environment, Daniel Barstow Magraw

Proceedings of the Sino-American Conference on Environmental Law (August 16)

18 pages.

Contains 3 pages of references.


Managing Enforcement Of Environmental Laws - A Regional Review, Thomas A. Speicher Aug 1987

Managing Enforcement Of Environmental Laws - A Regional Review, Thomas A. Speicher

Proceedings of the Sino-American Conference on Environmental Law (August 16)

13 pages.

Contains footnotes.


Changing Policy Roles Of Environmental Science, Devra Lee Davis Aug 1987

Changing Policy Roles Of Environmental Science, Devra Lee Davis

Proceedings of the Sino-American Conference on Environmental Law (August 16)

6 pages.

Contains references.


Environmental Policy And Legislation In China, Rui Lin Jin, Wen Liu Aug 1987

Environmental Policy And Legislation In China, Rui Lin Jin, Wen Liu

Proceedings of the Sino-American Conference on Environmental Law (August 16)

13 pages.


China’S Environmental Legislation And Current Issues, Dian Rong Luo Aug 1987

China’S Environmental Legislation And Current Issues, Dian Rong Luo

Proceedings of the Sino-American Conference on Environmental Law (August 16)

8 pages.


A Few Problems In Environmental Protection Legislation In China, Wei Min Wang Aug 1987

A Few Problems In Environmental Protection Legislation In China, Wei Min Wang

Proceedings of the Sino-American Conference on Environmental Law (August 16)

9 pages.


Environmental Policy Analysis Of Industrial Development In China, Li Kang Aug 1987

Environmental Policy Analysis Of Industrial Development In China, Li Kang

Proceedings of the Sino-American Conference on Environmental Law (August 16)

7 pages.


Development Of Chinese Environmental Management Structure, Zhu Zhong Jie Aug 1987

Development Of Chinese Environmental Management Structure, Zhu Zhong Jie

Proceedings of the Sino-American Conference on Environmental Law (August 16)

5 pages.


Establishment And Practice Of The Chinese Environmental Impact Assessment System, Dao Lian Lin Aug 1987

Establishment And Practice Of The Chinese Environmental Impact Assessment System, Dao Lian Lin

Proceedings of the Sino-American Conference on Environmental Law (August 16)

12 pages.


Air Protection And Energy Usage, Han Chen Wang Aug 1987

Air Protection And Energy Usage, Han Chen Wang

Proceedings of the Sino-American Conference on Environmental Law (August 16)

6 pages.


Water Pollution Control And Management In China, Xing Xiang Zhu Aug 1987

Water Pollution Control And Management In China, Xing Xiang Zhu

Proceedings of the Sino-American Conference on Environmental Law (August 16)

11 pages.


Hazardous Materials And Wastes In China: Management And Legislative Principles, Shi Qing Aug 1987

Hazardous Materials And Wastes In China: Management And Legislative Principles, Shi Qing

Proceedings of the Sino-American Conference on Environmental Law (August 16)

7 pages.


On “The Strategy For Nature Protection In China”, Cheng Zheng Kang Aug 1987

On “The Strategy For Nature Protection In China”, Cheng Zheng Kang

Proceedings of the Sino-American Conference on Environmental Law (August 16)

7 pages.


Chinese Species Resource And Protection Policy, Run Ao Li Aug 1987

Chinese Species Resource And Protection Policy, Run Ao Li

Proceedings of the Sino-American Conference on Environmental Law (August 16)

6 pages.


Enforcement Of Environmental Laws In China, Ma Xiang Cong Aug 1987

Enforcement Of Environmental Laws In China, Ma Xiang Cong

Proceedings of the Sino-American Conference on Environmental Law (August 16)

15 pages.