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Water Center, Volume 30, No. 1, February 1998 Feb 1998

Water Center, Volume 30, No. 1, February 1998

Water Current Newsletter

Resource Institute Working to Restore Native Prairies and Wetlands
From the Director: Water Conference, Seminar Series, USGS Grants
The Clean Water Act: A Twenty-Five Year Retrospective
CWA Has Positive Effects, But Future Cloudy
Still Time to Register for "Nebraska Water 2000"
Study Shows Risk of Animal Waste
Investigators Focus Attention on Community Drinking Water Disinfection
Water News Briefs
GW Foundation's Festival Expedition
Nominations for Haverstick Award
EPA Publications on Line
Source Water Assessment Program
E-Answers
Groundwater University and Groundwater Grad School

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Environmental Variability Effects On Marine Fisheries: Four Case Histories, Eileen E. Hofmann, T. M. Powell Feb 1998

Environmental Variability Effects On Marine Fisheries: Four Case Histories, Eileen E. Hofmann, T. M. Powell

CCPO Publications

The changing nature of marine fisheries requires management approaches that recognize and include ecosystem and environmental effects. Therefore, we review some examples of exploited fishery stocks in which environmental control is a major contributor to structuring the abundance and distribution of the stock. Four examples, taken from studies of northern cod (Gadus morhua), cod and haddock (Melanogrammus aeglefinus) larvae, the eastern oyster (Crassostrea virginica), and Antarctic krill (Euphausia superba), are given that clearly illustrate environmental control on the fishery. From these examples, we argue that future management strategies for exploited fisheries must include effects of environmental variability. In particular, management …

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Biodegradation Of Pah Contaminated Soil And Sludge Using Non-Ionic Surfactants, Seema Narula Jan 1998

Biodegradation Of Pah Contaminated Soil And Sludge Using Non-Ionic Surfactants, Seema Narula

Dissertations

Polycyclic aromatic hydrocarbons (PAHs) are one of the most prevalent environmental pollutants contaminating a large number of industrial and Superfund sites. Low solubility and sorption to solid surfaces limit biodegradation rates of PAHs in the environment. Bioremediation of these compounds have been previously tested with partial success. In the present study, aerobic biodegradation of three PAHs (fluorene, phenanthrene, and pyrene) has been studied in shaker flasks, batch fermenter, and bioslurry reactor, in the presence of non-ionic surfactants. A mixed bacterial culture derived from both a refinery sludge and an activated sludge was used as the seed population in the degradation …

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Effects Of Surfactants And Fenton's Reagents On Extraction And Destruction Of Phenanthrene In Spiked Sand, Ming-Chin Chang Jan 1998

Effects Of Surfactants And Fenton's Reagents On Extraction And Destruction Of Phenanthrene In Spiked Sand, Ming-Chin Chang

Dissertations

In this study, surfactants and Fenton's reagents (Fe(II) and H202) ere proposed to solve contaminated site problems in situ on a lab scale. Phenanthrene is a simple PAHs (polynuclear aromatic hydrocarbons). The phenanthrene spiked ottawa sand simulated contaminated soil. HPLC was used for phenanthrene analysis because it provided excellent separation and no interference. Six surfactants (including nonionic and ionic) were tested. The operating conditions were optimized based on process and economic considerations such as reaction time, mixing speed, concentrations of surfactants and concentrations of Fenton's reagents. Surfactants could effectively dissolve phenanthrene from the spiked sand. In …

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Biological And Management Implications Of Fire-Pathogen Interactions In The Giant Sequoia Ecosystem, Douglas D. Piirto, John R. Parmeter Jr., Fields W. Cobb Jr., Kevin L. Piper, Amy C. Workinger, William J. Otrosina Jan 1998

Biological And Management Implications Of Fire-Pathogen Interactions In The Giant Sequoia Ecosystem, Douglas D. Piirto, John R. Parmeter Jr., Fields W. Cobb Jr., Kevin L. Piper, Amy C. Workinger, William J. Otrosina

Natural Resources Management and Environmental Sciences

An overriding management goal for national parks is the maintenance or, where necessary, the restoration of natural ecological processes. In Sequoia-Kings Canyon and Yosemite National Parks, there is concern about the effects of fire suppression on the giant sequoia-mixed conifer forest ecosystem. The National Park Service is currently using prescribed fire management and prescribed burning as tools to reintroduce fire as a natural process. However, there are questions about the positive and negative effects of reintroducing fire in the giant sequoia-mixed conifer ecosystem. Reintroducing fire in the Sierra Nevada forests needs critical evaluation with respect to the pathogens that affect …

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Transformations Of Middle Eastern Natural Environments: Legacies And Lessons, Jeff Albert, Magnus Bernhardsson, Roger Kenna Jan 1998

Transformations Of Middle Eastern Natural Environments: Legacies And Lessons, Jeff Albert, Magnus Bernhardsson, Roger Kenna

Yale School of the Environment Bulletin Series

No abstract provided.

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Narrow Hybrid Zone Between Two Subspecies Of Big Sagebrush (Artemisia Tridentata: Aeteraceae). V. Soil Properties, Han Wang, David W. Byrd, Jeffrey L. Howard, E. Durant Mcarthur, John H. Graham, D. Carl Freeman Jan 1998

Narrow Hybrid Zone Between Two Subspecies Of Big Sagebrush (Artemisia Tridentata: Aeteraceae). V. Soil Properties, Han Wang, David W. Byrd, Jeffrey L. Howard, E. Durant Mcarthur, John H. Graham, D. Carl Freeman

Environmental Science and Geology Faculty Research Publications

We studied soils of the big sagebrush (Artemisia tridentata) hybrid zone at two locations in Utah. The elemental composition, depth, and pH of soil in the basin and mountain big sagebrush habitats differed significantly from each other and from the hybrid zone soil. The hybrid zone soil is not just a simple blend of the two parental habitat soils. Rather, it possesses novel characteristics found in neither parental habitat and is more variable than the parental habitat soils. Correspondence analyses show that the sites occupied by each parental taxon are chemically distinct. Moreover, the principal axes from the two study …

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Venomous Snakes, Gerald W. Wiscomb, Terry A. Messmer Jan 1998

Venomous Snakes, Gerald W. Wiscomb, Terry A. Messmer

All Archived Publications

No abstract provided.

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Non-Venomous Snakes, Terry A. Messmer, Gerald W. Wiscomb Jan 1998

Non-Venomous Snakes, Terry A. Messmer, Gerald W. Wiscomb

All Archived Publications

No abstract provided.

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Breeding Ecology And Behavior Of The Hawaiian Hawk, Curtis R. Griffin, Peter W. C. Paton, Thomas S. Baskett Jan 1998

Breeding Ecology And Behavior Of The Hawaiian Hawk, Curtis R. Griffin, Peter W. C. Paton, Thomas S. Baskett

Natural Resources Science Faculty Publications

We studied the ecology of the endangered Hawaiian Hawk (Buteo solitarius) on the island of Hawaii for three breeding seasons. Their breeding strategy is a prime example of a K-selected species characteristic of many birds in tropical environments: clutch size was one and brood-rearing was among the longest reported for any diurnal raptor. Twenty-eight nests were found in a variety of native and exotic habitats. Incubation lasted 38 days, nestlings fledged after 59-63 days, and parents cared for fledglings for an average of 30.2 weeks, which was 2.5 to 10 times longer than similar-size temperate zone raptors. Males …

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Innovations In Forestry: Stewardship, University Of Colorado Boulder. Natural Resources Law Center Jan 1998

Innovations In Forestry: Stewardship, University Of Colorado Boulder. Natural Resources Law Center

Books, Reports, and Studies

1 folded sheet ([6] p.) : ill. ; 28 cm

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Innovations In Forestry: Sustainable Forestry And Certification, University Of Colorado Boulder. Natural Resources Law Center Jan 1998

Innovations In Forestry: Sustainable Forestry And Certification, University Of Colorado Boulder. Natural Resources Law Center

Books, Reports, and Studies

1 folded sheet ([6] p.) : ill. ; 28 cm

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Resource Law Notes Newsletter, No. 42, Winter Issue, Feb. 1998, University Of Colorado Boulder. Natural Resources Law Center Jan 1998

Resource Law Notes Newsletter, No. 42, Winter Issue, Feb. 1998, University Of Colorado Boulder. Natural Resources Law Center

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

No abstract provided.

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Values Of The Federal Public Lands, Douglas S. Kenney, Gabriel D. Carter, Joshua M. Kerstein, University Of Colorado Boulder. Natural Resources Law Center, University Of Colorado Boulder. School Of Law, Turner Foundation, William & Flora Hewlett Foundation Jan 1998

Values Of The Federal Public Lands, Douglas S. Kenney, Gabriel D. Carter, Joshua M. Kerstein, University Of Colorado Boulder. Natural Resources Law Center, University Of Colorado Boulder. School Of Law, Turner Foundation, William & Flora Hewlett Foundation

Books, Reports, and Studies

v, 158 p. ; 28 cm

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Environmental Science Curriculum For Eleventh Through Twelfth Grade Classes, Jenelle Sue Bryan Jan 1998

Environmental Science Curriculum For Eleventh Through Twelfth Grade Classes, Jenelle Sue Bryan

Theses Digitization Project

No abstract provided.

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Results Of Investigations Into The Groundwater Response And Productivity Of High Water Use Agricultural Systems 1990-1997 3 Hunts' Catchment (Frankland), A D. Smith, Richard J. George Dr, P R. Scott, D L. Bennett, R J. Rippon, G J. Orr Jan 1998

Results Of Investigations Into The Groundwater Response And Productivity Of High Water Use Agricultural Systems 1990-1997 3 Hunts' Catchment (Frankland), A D. Smith, Richard J. George Dr, P R. Scott, D L. Bennett, R J. Rippon, G J. Orr

Resource management technical reports

High water use vegetation systems for salinity control were trialed on an 80 ha catchment located 12 km east of Frankland, Western Australia. The catchment receives about 510 mm annual rainfall and 1525 mm annual evaporation. Development of salinity in the catchment is concentrated in the valley floor. Here the groundwater is extremely saline (3000-4000 mS/m) and piezometric levels are between 1 m below and 1 m above the surface.

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Environmental Assessment Caribou Timber Sale, United States Forest Service Jan 1998

Environmental Assessment Caribou Timber Sale, United States Forest Service

All U.S. Government Documents (Utah Regional Depository)

One of the decisions made in the 1985 Bighorn National Forest Land and Resource Management Plan (Forest Plan) was that timber sale offerings would be made. The Caribou timber sale was proposed in order to implement that Forest Plan allocation decision. The selection of this sale area was based upon several factors, including: Past forest management decisions and silvicultural prescriptions; the existence of a road system, which will minimize impacts upon wildlife habitat and water quality; the opportunity to change the forested vegetation to improve, or at least maintain within the Forest Plan standard and guidelines and other legal requirements, …

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Endangered And Threatened Animals Of Utah, Terry Messmer, Marilet Zablan, Boyde Blackwell, Athena Menses, Frank Howe, Leo Lentsch, Richard Drake Jan 1998

Endangered And Threatened Animals Of Utah, Terry Messmer, Marilet Zablan, Boyde Blackwell, Athena Menses, Frank Howe, Leo Lentsch, Richard Drake

All Archived Publications

No abstract provided.

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Postfire Succession And Disturbance Interactions On An Intermountain Subalpine Spruce-Fir Forest, Michael J. Jenkins, Christopher Dicus, Elizabeth G. Hebertson Jan 1998

Postfire Succession And Disturbance Interactions On An Intermountain Subalpine Spruce-Fir Forest, Michael J. Jenkins, Christopher Dicus, Elizabeth G. Hebertson

Natural Resources Management and Environmental Sciences

Four general postfire successional pathways leading to a climax Engelmann spruce (Picea engelmmlilii Parry)-subalpine fir (Abies /asiocarpa [Hook] Nutt.) forest operate on the T.W. Daniel Experimental Forest in northern Utah. Depending on the successional pathway followed. reestablishment of the prefire climax forest will take 200 to 400 years or more due to a rarity of extreme burning conditions. During the long period between catastrophic stand-replacing fires, a variety of other natural disturbances contribute to the varying structure and composition of vegetation and the fuel mosaic in internountain subalpine spruce-fir forests. Disturbances may range from chronic and small scale …

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Characterization And Improvement Of Eos Land Products Using Measurements At Ameriflux Grassland And Wheat Sites In The Arm/Cart Region: Research Annual Performance Report For Period March 1, 1998- January 8, 1999, E. A. Walter-Shea, S. B. Verma Jan 1998

Characterization And Improvement Of Eos Land Products Using Measurements At Ameriflux Grassland And Wheat Sites In The Arm/Cart Region: Research Annual Performance Report For Period March 1, 1998- January 8, 1999, E. A. Walter-Shea, S. B. Verma

School of Natural Resources: Documents and Reviews

No abstract provided.

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Ruby Canyon/Black Ridge Guidebook For Natural Ignition Fire Planning And Implementation, United States Bureau Of Land Management Jan 1998

Ruby Canyon/Black Ridge Guidebook For Natural Ignition Fire Planning And Implementation, United States Bureau Of Land Management

All U.S. Government Documents (Utah Regional Depository)

The RCBR Natural Ignition Fire (NIF) Guide establishes procedures for implementing fire management activities within the planning area. The RCBR NIF Guide follows direction established in the Ruby Canyon/Black Ridge Integrated Resource Management Plan and the Grand Junction Resource Management Plan (RMP). This guide will be incorporated into the Grand Junction District's Fire Management Action Plan, which is the document that implements overall fire management based on direction derived from the the RMP.

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Grand Staircase-Escalante National Monument, Draft Management Plan, Draft Environmental Impact Statement, United States Bureau Of Land Management Jan 1998

Grand Staircase-Escalante National Monument, Draft Management Plan, Draft Environmental Impact Statement, United States Bureau Of Land Management

All U.S. Government Documents (Utah Regional Depository)

This Draft Management Plan/Draft Environmental Impact Statement describes and analyzes the impacts of five alternatives for managing the public lands within the Monument. The alternatives provide objectives and recommendations to protect and manage Monument Resources. Alternative B is BLM's preferred alternative.

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Bighorn National Forest Draft Noxious Weed Management Environmental Assessment, United States Forest Service Jan 1998

Bighorn National Forest Draft Noxious Weed Management Environmental Assessment, United States Forest Service

All U.S. Government Documents (Utah Regional Depository)

The Forest Service proposes to implement a management plan to control noxious weeds on the Bighorn National Forest. This management plan would be in accordance with general direction in the Land and Resource Management Plan (LRMP) to treat noxious farm weeds (Bighorn National Forest LRMP, III-45) to improve range conditions and manage undersirable plant species. Five additional Federal Laws also address this action: 1. The Forest and Rangeland Renewable Resources Planning Act of 1974 (RPA, P.L. 93-378). 2. The Public Rangeland Improvement Act of 1978. 3. The Federal Noxious Weed Act of 1974 Section 2(b)(2) and Section 2 of (P.L. …

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Razorback Sucker (Xyrauchen Texanus) Recovery Plan, Harold M. Tyus Jan 1998

Razorback Sucker (Xyrauchen Texanus) Recovery Plan, Harold M. Tyus

All U.S. Government Documents (Utah Regional Depository)

The Colorado River of the American West supports a mainstream fish community that is classified as the “Big River” fishes. Four of these fishes are listed as endangered under provisions of the Endangered Species Act of 1973, as amended. Three fishes (i.e., Colorado pike minnow Ptychocheilus Lucius, humpback chub Gila cypha, and bonytail G. elegans) have been listed for over 10 years, and they have recovery plans that were prepared prior to designation of critical habitats. Recently the Colorado squawfish was renamed by the American Fisheries Society and hereafter will be refered to in this document as the Colorado pike …

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Rawlins Rmp Biological Assessment, Bureau Of Land Management Jan 1998

Rawlins Rmp Biological Assessment, Bureau Of Land Management

All U.S. Government Documents (Utah Regional Depository)

This Biological Assessment (BA) is prepared for the Draft Environmental Impact Statement (DEIS) that describes the comprehensive analysis of alternatives for the planning and management of public lands and resources administered by the Bureau of Land Management (BLM) in the Rawlins area of Wyoming. The public lands and federal mineral estate within the RFO Resource Management Planning Area (RMPPA) are the subject of the planning effort (DEIS) and this document. This document is a component of the BLM Draft Environmental Impact Statement Resource Management Plan (RMP) and is prepared in compliance with the National Environmental Policy Act (NEPA) which requires …

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Invasive Plants: Changing The Landscape Of America, Federal Interagency Committee For The Management Of Noxious And Exotic Weeds, Randy G. Westbrooks Jan 1998

Invasive Plants: Changing The Landscape Of America, Federal Interagency Committee For The Management Of Noxious And Exotic Weeds, Randy G. Westbrooks

All U.S. Government Documents (Utah Regional Depository)

In the 1950s, the American public became aware that certain chemicals endanger human health and the environment. In response to this threat, new rules and regulations regarding chemical manufacture, use, and disposal were developed under state and federal law. Today, the public has a much better understanding of the chemical pollution problem and generally supports management efforts. The 1990s have brought us face to face with another serious environmental threat: The invasion of the American landscape by aggressive nonnative plants. While farmers have always fought a battle with weeds in crops, invasion of these and other formerly weed-free lands has …

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Challis Resource Area Proposed Resource Management Plan And Final Environmental Impact Statement, United States Department Of The Interior, Bureau Of Land Management Jan 1998

Challis Resource Area Proposed Resource Management Plan And Final Environmental Impact Statement, United States Department Of The Interior, Bureau Of Land Management

Resource Management Plans (ID)

The Challis Proposed Resource Management Plan/Final Environmental Impact Statement (PRMP/FEIS) describes the Bureau of Land Management's proposed plan for managing approximately 792,567 acres of public lands administered by the BLM within the Challis Resource Area. The PRMP/FEIS is based on the Preferred Alternative (Alternative 2) described in the Challis Draft RMP/EIS (BLM, May 1996), as modified in response to public and tribal comments and internal BLM recommendations. It describes changes from and corrections to the Challis Draft RMP/EIS, updates the discussion of the affected environment, provides an analysis of environmental consequences for the Proposed RMP, and records public comments and …

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Raccoons, Corey M. Huxoll, Terry A. Messmer, Mike Conover Jan 1998

Raccoons, Corey M. Huxoll, Terry A. Messmer, Mike Conover

All Archived Publications

No abstract provided.

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Commensal Rodents, Ben C. West, Terry A. Messmer Jan 1998

Commensal Rodents, Ben C. West, Terry A. Messmer

All Archived Publications

No abstract provided.

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Voles, Ben C. West, Terry A. Messmer Jan 1998

Voles, Ben C. West, Terry A. Messmer

All Archived Publications

No abstract provided.

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