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Articles 1081 - 1110 of 1168

Full-Text Articles in Ecology and Evolutionary Biology

How The Regulated Community Views Regulation To Protect Living Resources: The Endangered Species Act, Biological Diversity, And Ecosystem Management, Steven P. Quarles Jun 1996

How The Regulated Community Views Regulation To Protect Living Resources: The Endangered Species Act, Biological Diversity, And Ecosystem Management, Steven P. Quarles

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

21 pages.

Contains footnotes.


The Endangered Species: The Urban Water Utility Perspective, Chips Barry Jun 1996

The Endangered Species: The Urban Water Utility Perspective, Chips Barry

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

24 pages.


Upper Colorado River Fish: A Recovery Program That Is Working – Myth Or Reality?, James S. Lochhead Jun 1996

Upper Colorado River Fish: A Recovery Program That Is Working – Myth Or Reality?, James S. Lochhead

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

24 pages (includes 1 map).

Contains 2 pages of references.


A Comparison: Lessons From The Columbia Basin And The Upper Colorado Basin Fish Recovery Efforts, Mary Christina Wood Jun 1996

A Comparison: Lessons From The Columbia Basin And The Upper Colorado Basin Fish Recovery Efforts, Mary Christina Wood

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

47 pages.

Contains 5 pages of references.


The Esa, Water Rights, And Regulatory Takings, Barton H. Thompson, Jr. Jun 1996

The Esa, Water Rights, And Regulatory Takings, Barton H. Thompson, Jr.

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

28 pages.

Contains 2 pages of references.


The Endangered Species Act—Economic Impacts: The Perception And The Numbers, Jon A. Souder Jun 1996

The Endangered Species Act—Economic Impacts: The Perception And The Numbers, Jon A. Souder

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

13 pages (includes illustrations).

Contains 2 pages of references.


Water Rights, Contract Rights, And The Endangered Species Act, Brian E. Gray Jun 1996

Water Rights, Contract Rights, And The Endangered Species Act, Brian E. Gray

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

12 pages.

Contains references.


Habitat Based, Multi-Species Hcps: Lessons From The Northwest, James A. Kraft Jun 1996

Habitat Based, Multi-Species Hcps: Lessons From The Northwest, James A. Kraft

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

9 pages.


Columbia River Salmon: Are Any Of The Esa Tools Adequate For The Job?, John M. Volkman Jun 1996

Columbia River Salmon: Are Any Of The Esa Tools Adequate For The Job?, John M. Volkman

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

32 pages.

Contains footnotes.


The Enigma Of The Blind Salamander And Groundwater Pumping: Lessons From The Edwards Aquifer, Texas, Charles R. Shockey Jun 1996

The Enigma Of The Blind Salamander And Groundwater Pumping: Lessons From The Edwards Aquifer, Texas, Charles R. Shockey

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

39 pages (includes illustrations and maps).

Contains footnotes.


An Overview Of The Endangered Species Act, Michael J. Brennan Jun 1996

An Overview Of The Endangered Species Act, Michael J. Brennan

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

25 pages.


Landscape Scale Habitat Conservation Plans: The California Experience, Lindell L. Marsh Jun 1996

Landscape Scale Habitat Conservation Plans: The California Experience, Lindell L. Marsh

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

24 pages.

Contains 3 pages of references.


The Ethical Aspects Of Biodiversity Protection: Duties To Human Beings And Duties To Other Species, Dale Jamieson Jun 1996

The Ethical Aspects Of Biodiversity Protection: Duties To Human Beings And Duties To Other Species, Dale Jamieson

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

11 pages.

Contains 2 pages of references.


The Endangered Species Act: Crystallizing Ecosystem Management, George T. Frampton Jr. Jun 1996

The Endangered Species Act: Crystallizing Ecosystem Management, George T. Frampton Jr.

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

15 pages.


Waiting To Exhale Under The Esa: The Evolution Of Hcps And Section 4(D) Rules, Donald J. Barry Jun 1996

Waiting To Exhale Under The Esa: The Evolution Of Hcps And Section 4(D) Rules, Donald J. Barry

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

16 pages.


The Sonoran Desert Tortoise And The Mexican Spotted Owl: The High Road And The Slow Road To Conservation, Duane L. Shroufe Jun 1996

The Sonoran Desert Tortoise And The Mexican Spotted Owl: The High Road And The Slow Road To Conservation, Duane L. Shroufe

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

13 pages.


Agenda: Biodiversity Protection: Implementation And Reform Of The Endangered Species Act, University Of Colorado Boulder. Natural Resources Law Center Jun 1996

Agenda: Biodiversity Protection: Implementation And Reform Of The Endangered Species Act, University Of Colorado Boulder. Natural Resources Law Center

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

Conference organizers and/or faculty included University of Colorado School of Law professors Betsy Rieke, David H. Getches, Michael A. Gheleta and Charles F. Wilkinson.

All across the country--in Congress, in state legislatures and in urban and rural communities--people are discussing why we should or should not protect biodiversity and how best to do so. Since the Endangered Species Act is up for reauthorization, a variety of reform proposals are being debated. Speakers--including natural resource scholars, experts from the private and nonprofit sectors, and government officials--will examine the rationale for biodiversity protection, the legal framework of the Endangered Species Act, and …


The Scientific Underpinnings Of Biodiversity Protection, Jane Lubchenko Jun 1996

The Scientific Underpinnings Of Biodiversity Protection, Jane Lubchenko

Biodiversity Protection: Implementation and Reform of the Endangered Species Act (Summer Conference, June 9-12)

5 pages.


Report Of Significant Findings--Las Vegas Bay/Boulder Basin Investigations, James F. Labounty, Michael Horn, Bureau Of Reclamation Apr 1996

Report Of Significant Findings--Las Vegas Bay/Boulder Basin Investigations, James F. Labounty, Michael Horn, Bureau Of Reclamation

Publications (WR)

Field sampling was carried out between 0830 and 1500 beginning at the confluence of Las Vegas Wash and the Inner Las Vegas Bay. Ten (10) locations were sampled, each in a similar manner. Locations of sampling stations are in line from the Wash-Bay confluence to a point midway between Saddle and Black Islands. In addition, sampling was done at a location midway between Sentinel Island and the base of Fortification Hill, and at the buoy line in front of Hoover Dam. Sampling stations are labeled from LV01, at Wash-Bay confluence, to LV17 at Hoover Dam. A significant data collection point …


Csrees Department Of Forestry, Fisheries & Wildlife Comprehensive Review, University Of Nebraska - Lincoln Jan 1996

Csrees Department Of Forestry, Fisheries & Wildlife Comprehensive Review, University Of Nebraska - Lincoln

School of Natural Resources: Documents and Reviews

No abstract provided.


Synthetic Organic Compounds: Las Vegas Wash And Lake Mead, National Water Quality Assessment Program (Nawqa): Nevada Basin And Range Jan 1996

Synthetic Organic Compounds: Las Vegas Wash And Lake Mead, National Water Quality Assessment Program (Nawqa): Nevada Basin And Range

Publications (WR)

The Nevada Basin and Range (NVBR) study unit of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program is investigating the status of, trends in, and factors affecting water quality in the Las Vegas area. A principal objective of the investigation is to assess the effects of urbanization on the quality of area water resources. Las Vegas Wash is the surface-water outlet for the Las Vegas area. The wash transports stormwater runoff, shallow ground-water discharge, and tertiary-treated sewage effluent from the Las Vegas area to Las Vegas Bay of Lake Mead on the Colorado River. Most of the flow—about 96 …


Small Mammal Community Structure In Restored Prairies, Kathleen A. Falout Jan 1996

Small Mammal Community Structure In Restored Prairies, Kathleen A. Falout

Masters Theses

The Illinois Department of Natural Resources currently manages approximately 4,000 hectares of natural prairie. High human impacts coupled with small patch size result in challenging management decisions for prairie conservation. The ideal restored prairie would consist of a mosaic of habitats varying in vegetation from forb-grass dominated areas to oak savannas, with concurrent stages of vegetative succession occurring across the habitats. A study was conducted at the Middle Fork State Fish and Wildlife Area located in Vermillion County, IL, to analyze small mammal diversity and community composition among three different stages of prairie restoration.

The three treatment categories were: fallow …


Nutrient Limitation In A Southwestern Desert Reservoir: Eutrophication Of Las Vegas Bay, Lake Mead, Nevada, Davine M. Lieberman Sep 1995

Nutrient Limitation In A Southwestern Desert Reservoir: Eutrophication Of Las Vegas Bay, Lake Mead, Nevada, Davine M. Lieberman

Publications (WR)

Algal bioassay tests were conducted with Selenastrum capricornutum and natural algae on inner Las Vegas Bay, Lake Mead, Nevada, from December 1992 through September 1993, to identify any nutrient limitation in an area of the reservoir that has experienced problems associated with severe nutrient enrichment. Three areas were sampled based on a gradient of water quality conditions that existed in Las Vegas Bay (LVB). Disodium ethylenedinitrilotetraacetate (EDTA) significantly stimulated algal growth compared to non-EDTA treatment. Algal bioassays indicated that phosphorus (P) was the primary limiting nutrient at all stations for most of the test dates. Chl a response with EDTA …


Behavioral Responses To Pine Needle Oil In The Northern Pocket Gopher, Gisela Epple, Dale L. Nolte, J. Russell Mason, Eugeny Aronov, Shirley Wager-Page Aug 1995

Behavioral Responses To Pine Needle Oil In The Northern Pocket Gopher, Gisela Epple, Dale L. Nolte, J. Russell Mason, Eugeny Aronov, Shirley Wager-Page

National Wildlife Research Center Repellents Conference 1995

For many herbivorous mammals, oils from conifers are feeding repellents. Our study investigated effects of pine needle oil on feeding and other behaviors of northern pocket gophers. In one-choice feeding trials pocket gophers were offered sweet potato from single feeding stations placed into each subject's home cage. Stations contained either a scent dispenser with pine needle oil or with mineral oil. Pine needle oil did not inhibit food retrieval under these conditions. Responses to pine needle oil and to a control odorant, d-pulegone, were also tested in mazes where subjects were offered choices between two goal boxes, each containing food …


Reproductive Success Of Grassland Birds At East-Central Illinois Airports, Eric L. Kershner Jan 1995

Reproductive Success Of Grassland Birds At East-Central Illinois Airports, Eric L. Kershner

Masters Theses

We determined the densities and reproductive success of birds on airport grasslands in east-central Illinois. Seven airports were sampled between 10 April and 15 August 1994 in Clark, Coles, Crawford, Douglas, Edgar, Macon and Richland counties. Nineteen species were detected on the airport grasslands and 147 nests were found representing six different species. Eastern meadowlarks (Sturnella magna) were the most abundant nesting species found; 105 out of the 147 nests (71%). Other nesting species included: grasshopper sparrow (Ammodramus savannarum), savannah sparrow (Passerculus sandwichensis), red-winged blackbird (Agelaius phoeniceus), song sparrow (Melospiza melodia) and horned lark (Eremophilia alpestris). Overall nest success was …


Baseline Water Quality Data Inventory And Analysis: Lake Mead National Recreation Area, Volume Ii Of Ii, National Park Service Dec 1994

Baseline Water Quality Data Inventory And Analysis: Lake Mead National Recreation Area, Volume Ii Of Ii, National Park Service

Publications (WR)

This document presents the results of surface-water-quality data retrievals for Lake Mead National Recreation Area (LAME) from five of the United States Environmental Protection Agency's (EPA) national databases: (1) Storage and Retrieval (STORET) database management system; (2) River Reach File (RF3); (3) Industrial Facilities Discharge (IFD); (4) Drinking Water Supplies (DRINKS); and (5) Flow Gages (GAGES). This document is one product resulting from a cooperative contractual endeavor between the National Park Service's Servicewide Inventory and Monitoring Program, the National Park Service's Water Resources Division (WRD), and Horizon Systems Corporation to retrieve, format, and analyze water quality data for all units …


Baseline Water Quality Data Inventory And Analysis: Lake Mead National Recreation Area, Volume I Of Ii, National Park Service Dec 1994

Baseline Water Quality Data Inventory And Analysis: Lake Mead National Recreation Area, Volume I Of Ii, National Park Service

Publications (WR)

This document presents the results of surface-water-quality data retrievals for Lake Mead National Recreation Area (LAME) from five of the United States Environmental Protection Agency's (EPA) national databases: (1) Storage and Retrieval (STORET) database management system; (2) River Reach File (RF3); (3) Industrial Facilities Discharge (IFD); (4) Drinking Water Supplies (DRINKS); and (5) Flow Gages (GAGES). This document is one product resulting from a cooperative contractual endeavor between the National Park Service's Servicewide Inventory and Monitoring Program, the National Park Service's Water Resources Division (WRD), and Horizon Systems Corporation to retrieve, format, and analyze water quality data for all units …


An Inventory And Condition Survey Of The Murchison River Catchment, Western Australia, Peter James Curry, A L. Payne, K A. Leighton, P Hennig, D A. Blood Jan 1994

An Inventory And Condition Survey Of The Murchison River Catchment, Western Australia, Peter James Curry, A L. Payne, K A. Leighton, P Hennig, D A. Blood

Technical Bulletins

The inventory and condition survey of the Murchison River catchment and surrounds, undertaken by the Department of Agriculture between 1985 and 1988, describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The area surveyed by field work during 1985-88 …


An Inventory And Condition Survey Of Rangelands In The North-Eastern Goldfields, Western Australia, H J. Pringle, S A. Gilligan, A M E Van Vreeswyk Jan 1994

An Inventory And Condition Survey Of Rangelands In The North-Eastern Goldfields, Western Australia, H J. Pringle, S A. Gilligan, A M E Van Vreeswyk

Technical Bulletins

The inventory and condition survey of the north-eastern Goldfields, undertaken by the Department of Agriculture and Food, Western Australia (DAFWA) between 1988 and 1990, describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The area surveyed covers about 100 …


Sport Fisheries Of The Belgrade Lakes, Maine Department Of Inland Fisheries & Wildlife Jan 1994

Sport Fisheries Of The Belgrade Lakes, Maine Department Of Inland Fisheries & Wildlife

Maine Collection

Sport Fisheries of the Belgrade Lake

Maine Department of Inland Fisheries & Wildlife, Augusta, Maine 1994.

Contents: Belgrade Lakes Chain, Some Vital Statistics / Some Features of the Seven Major Waters of the Belgrade Chain of Lakes / A Partial List of Fish Species That Occur in the Major Waters of the Belgrade Chain of Lakes / East Pond Oakland and Smithfield / Great Pond Oakland, Belgrade, and Rome / Long Pond Mt. Vernon, Rome, and Belgrade / Messalonskee Lake Oakland and Belgrade / North Pond Smithfield, Rome, and Mercer / Salmon Lake and McGrath Pond Belgrade and Oakland