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Articles 17821 - 17850 of 22692
Full-Text Articles in Entire DC Network
Status Survey Of Aquatic Cave Fauna In Arkansas, G. O. Graening, Arthur V. Brown
Status Survey Of Aquatic Cave Fauna In Arkansas, G. O. Graening, Arthur V. Brown
Arkansas Water Resources Center Technical Reports
No abstract provided.
The Probe, Issue 211 - July/August 2000
The Probe, Issue 211 - July/August 2000
The Probe: Newsletter of the National Animal Damage Control Association
CONTENTS: NADCA Election Results Announced Editor's Farewell CALENDAR OF UPCOMING EVENTS Bill Clay to Head Wildlife Services Editors Farewell Parasite Makes Rats More Vulnerable to Cats Crazed Beaver Terrorizes Farm Mounties Don't Like Shooting Bears Book Review: "Mammal Trapping" PETA Attacks Wyoming License Plates
The Probe, Issue 211 - July/August 2000
The Probe, Issue 211 - July/August 2000
The Probe: Newsletter of the National Animal Damage Control Association
CONTENTS: NADCA Election Results Announced Editor's Farewell CALENDAR OF UPCOMING EVENTS Bill Clay to Head Wildlife Services Editors Farewell Parasite Makes Rats More Vulnerable to Cats Crazed Beaver Terrorizes Farm Mounties Don't Like Shooting Bears Book Review: "Mammal Trapping" PETA Attacks Wyoming License Plates
Scwds Briefs: Volume 16, Number 2 (July 2000)
Scwds Briefs: Volume 16, Number 2 (July 2000)
Southeastern Cooperative Wildlife Disease Study: Publications
• CWD and Human Health: “There currently is no evidence that Chronic Wasting Disease in Cervidae is transmitted to humans”…
• SCWDS recently completed the fieldwork of a research project to investigate the epidemiology of avian vacuolar myelinopathy (AVM), previously known as the Avian Brain Lesion Syndrome (ABLS).
• NIH Funds SCWDS Ehrlichiosis Study: Since 1985, three new tickborne zoonoses caused by bacteria in the genus Ehrlichia have been recognized in the United States. Human monocytotropic ehrlichiosis (HME) caused by E. chaffeensis occurs across a broad area of the eastern and south-central United States. HME is transmitted by lone star …
Canadian Cooperative Wildlife Health Centre Newsletter, Volume 7-1, Summer 2000
Canadian Cooperative Wildlife Health Centre Newsletter, Volume 7-1, Summer 2000
Canadian Cooperative Wildlife Health Centre: Newsletters and Publications
New Staff Member - Western/Northern Regional Centre Surveillance for West Nile Virus - Summer 2000 Dorsal-spined Larvae in Cervids Organophosphate Pesticide Poisoning of Seagulls - St. John's, Newfoundland Successful euthanasia of a juvenile fin whale Psittacosis in Wild Rock Doves Walleye myopathy The St-Lawrence beluga whale: summary of lesions detected in stranded individuals submitted for necropsy during 1999 An Epizootic of Iridovirus in Oregon Spotted Frog Tadpoles (Rana pretiosa) Epidemic Avian Cholera in Double-Crested Cormorants in Saskatchewan Winter Ticks in Stone's Sheep California Bighorn Sheep in British Columbia
Benthic Biological Monitoring Program Of The Elizabeth River Watershed (1999), Daniel M. Dauer
Benthic Biological Monitoring Program Of The Elizabeth River Watershed (1999), Daniel M. Dauer
Elizabeth River Reports
Executive Summary
A study of the macrobenthic communities of the Elizabeth River watershed was conducted in summer 1999. The three objectives of the Benthic Biological Monitoring Program of the Elizabeth River watershed are: (1) To characterize the health of regional areas of the tidal waters of the Elizabeth River watershed Chesapeake Bay as indicated by the structure of the benthic communities. These characterizations are based upon application of benthic restoration goals and the Benthic Index of Biotic Integrity (BIBI) developed for the Chesapeake Bay to five primary strata - the Mainstem of the river, the Lafayette River, the Southern Branch, …
Effects Of Elevated Atmospheric Co2 On Root Growth, Turnover And Decomposition In A Scrub Oak Ecosystem, John Joseph Dilustro
Effects Of Elevated Atmospheric Co2 On Root Growth, Turnover And Decomposition In A Scrub Oak Ecosystem, John Joseph Dilustro
Biological Sciences Theses & Dissertations
Atmospheric carbon dioxide levels are increasing and predicted to double this century. The implications of this rise on vegetation structure and function are not well understood. Measurement of root growth response to elevated atmospheric carbon dioxide is critical to understanding soil carbon input. I investigated the effects of elevated carbon dioxide on fine root growth and decomposition using open top chambers with both ambient and elevated (700 PPM) CO2 treatments in an oak-palmetto scrub ecosystem at Kennedy Space Center, Florida. Minirhizotron tubes were installed in each elevated and control chamber to allow observation of roots. Each tube was sampled …
Degradation In The Brockman River And Ellen Brook Catchments, Western Australia, Brian Lloyd
Degradation In The Brockman River And Ellen Brook Catchments, Western Australia, Brian Lloyd
Natural resources published reports
An eight day survey of degradation in the Ellen Brook and Brockman River catchments revealed several areas of concern. Key concerns are:
Erosion and sedimentation
Various forms of erosion were observed during the survey that would cumulatively have an effect on the quality of both the Ellen Brook and the Brockman Rivers, and ultimately the Swan River. Erosion resulted from many situations including landholder management, subdivision design and infrastructure maintenance. Raising awareness as to consequences of erosion and sedimentation, along with remedial techniques and best management practices is recommended for the various levels of stakeholders.
Eutrophication
Eutrophication has been established …
Conservation Conundrum, Robert L. Brownell Jr., Barbara E. Curry, Peter Daszak, Andrew A. Cunningham, Alex D. Hyatt
Conservation Conundrum, Robert L. Brownell Jr., Barbara E. Curry, Peter Daszak, Andrew A. Cunningham, Alex D. Hyatt
United States Department of Commerce: Staff Publications
P. Daszak, A. A. Cunningham, and A. D. Hyatt present a convincing argument in their Review "Emerging infectious diseases of wildlife-threats to biodiversity and human health" (Science's Compass, 21 Jan., p. 443) that emerging infectious diseases (EIDs) pose a risk to wildlife, and they suggest that EIDs most often result from a change in the ecology of the pathogen or the host (or both). A situation they did not mention is that in some cases, the protection of threatened species can increase the risk of an EID outbreak by allowing a close association between wildlife and domestic animals where one …
Digestibility, Nitrogen Excretion, And Mean Retention Time By North American Porcupines (Erethizon Dorsatum) Consuming Natural Forages, Laura A. Felicetti, Lisa A. Shipley, Gary W. Witmer, Charles T. Robbins
Digestibility, Nitrogen Excretion, And Mean Retention Time By North American Porcupines (Erethizon Dorsatum) Consuming Natural Forages, Laura A. Felicetti, Lisa A. Shipley, Gary W. Witmer, Charles T. Robbins
United States Department of Agriculture Wildlife Services: Staff Publications
North American porcupines (Erethizon dorsatum) subsist predominantly on low-protein, high-fiber, high-tannin diets. Therefore, we measured the porcupine's ability to digest dry matter, fiber, and protein by conducting digestion trials on eight natural forages and one pelleted ration varying in concentration of fiber, nitrogen, and tannins. On these diets, dry matter intake ranged from 5 to 234 g/kg 0.75/d and dry matter digestibility ranged from 62% to 96%. Porcupines digested highly lignified fiber better than many large hindgut fermenters and ruminants. The porcupine's ability to digest fiber may be explained, in part, by their lengthy mean retention time …
Final Technical Report For Grant De-Fg01-96ew56093 Nevada Risk Assessment/Management Program (Nramp), Donald H. Baepler, Anthony Hechanova
Final Technical Report For Grant De-Fg01-96ew56093 Nevada Risk Assessment/Management Program (Nramp), Donald H. Baepler, Anthony Hechanova
Nevada Risk Assessment/Management Program
The Nevada Risk Assessment/Management Program (NRAMP) was part of a national effort by the U.S. Department of Energy (DOE) to develop new sources of information and approaches to risk assessment, risk management, risk communication and public outreach as these objectives relate to the ecological and human health effects of radioactive and hazardous material management and site remediation activities. This final report presents a synopsis of the NRAMP effort that occurred from 1995 to 2000. Included in this report is a brief history of NRAMP including a description of the DOE Notice of Program Interest (NOPI) goals and how the NRAMP …
Issues Associated With New Developments And Transfers: A West Slope Perspective, Eric Kuhn
Issues Associated With New Developments And Transfers: A West Slope Perspective, Eric Kuhn
Water and Growth in the West (Summer Conference, June 7-9)
8 pages.
Chronic And Emerging Water Issues In The South Platte/Front Range Corridor, James S. Lochhead
Chronic And Emerging Water Issues In The South Platte/Front Range Corridor, James S. Lochhead
Water and Growth in the West (Summer Conference, June 7-9)
16 pages.
Environmental Impacts Of New Solutions: Two Case Studies, Lori Potter, Michael Freeman
Environmental Impacts Of New Solutions: Two Case Studies, Lori Potter, Michael Freeman
Water and Growth in the West (Summer Conference, June 7-9)
32 pages.
Contains footnotes and references.
Groundwater And Growth Management In The New West: Evolving Law And Practice, A. Dan Tarlock
Groundwater And Growth Management In The New West: Evolving Law And Practice, A. Dan Tarlock
Water and Growth in the West (Summer Conference, June 7-9)
13 pages.
Key Trends In Population And Land Use In The West, William E. Riebsame
Key Trends In Population And Land Use In The West, William E. Riebsame
Water and Growth in the West (Summer Conference, June 7-9)
9 pages (includes illustrations and maps).
Contains 1 page of references.
Water, Growth And The Endangered Species Act, Holly Doremus
Water, Growth And The Endangered Species Act, Holly Doremus
Water and Growth in the West (Summer Conference, June 7-9)
24 pages.
The Effects Of Development On Indian Water Rights: Obstacles And Disincentives To Development Of Indian Water Rights, Jerilyn Decoteau
The Effects Of Development On Indian Water Rights: Obstacles And Disincentives To Development Of Indian Water Rights, Jerilyn Decoteau
Water and Growth in the West (Summer Conference, June 7-9)
17 pages.
Contains references.
Regionalized Water Management: An Evolving Hydrocommons?, Gary D. Weatherford
Regionalized Water Management: An Evolving Hydrocommons?, Gary D. Weatherford
Water and Growth in the West (Summer Conference, June 7-9)
26 pages.
Contains footnotes and 8 pages of references.
Growth, Water, And Environmental Values, Bruce C. Driver, Bart Miller
Growth, Water, And Environmental Values, Bruce C. Driver, Bart Miller
Water and Growth in the West (Summer Conference, June 7-9)
17 pages.
Agenda: Water And Growth In The West, University Of Colorado Boulder. Natural Resources Law Center, The William And Flora Hewlett Foundation
Agenda: Water And Growth In The West, University Of Colorado Boulder. Natural Resources Law Center, The William And Flora Hewlett Foundation
Water and Growth in the West (Summer Conference, June 7-9)
1 v. (various pagings) : ill., maps ; 29 cm. + 1 CD-ROM (4 3/4 in.) + supplement (207 p. ; 29 x 24 cm.)
"Conference co-sponsor The William and Flora Hewlett Foundation."
Conference moderators included University of Colorado School of Law professors Gary C. Bryner, James N. Corbridge, Jr., David H. Getches, Douglas S. Kenney, Kathryn M. Mutz, Peter D. Nichols and Charles F. Wilkinson.
Accompanied by: CD-ROM (4 3/4 in.) and supplement (xiv, 140, [49] p.)
Includes bibliographical references
The event will cover a breadth of issues, including demographics and water-use trends, improved planning and efficient use, implementation …
Commercial Irrigation And Nutrition Practices For Strawberries In Western Australia, D. Phillips, D. Gatter, T. Calder, D. Pitman
Commercial Irrigation And Nutrition Practices For Strawberries In Western Australia, D. Phillips, D. Gatter, T. Calder, D. Pitman
Horticulture research reports
Irrigation practices employed by five commercial strawberry growers on sandy soils of the Swan Coastal Plain near Perth Western Australia were monitored for two consecutive seasons, 1995 and 1996 during the Spring production period.
Nutritional practices for the same grower group plus one Albany grower were monitored by plant, soil and sap analysis at 14 day intervals throughout the 1996 season.
Irrigation records showed that market quality strawberries could be produced at this time of year (August to December in Perth) on soils with very poor water retention properties with an average crop factor(E Pan) for the season of 0.7 …
A Quality Future For Recreational Fishing On The West Coast., West Coast Recreational Fishing Working Group
A Quality Future For Recreational Fishing On The West Coast., West Coast Recreational Fishing Working Group
Fisheries Management Papers
The West Coast Region between Kalbarri and Augusta offers a wide range of recreational fishing opportunities.The West Coast Region also receives more fishing pressure than any other, with an estimated 380 000 anglers fishing each year. Already, the signs of a fishery under pressure are showing. Catch rates of dhufish around inshore reef systems such as the Three-mile are a far cry from the 1950s and 60s when people beachlaunched wooden dinghies to fish the inshore waters for these highly prized fish. Increasing pressure on stocks has led to growing community concerns that the future quality of recreational fishing is …
Aquaculture Plan For The Recherche Archipelago, Fisheries Western Australia.
Aquaculture Plan For The Recherche Archipelago, Fisheries Western Australia.
Fisheries Management Papers
Land supply and land cost for aquaculture may become a limiting factor in the foreseeable future. At present, adequate appropriately zoned land is available at reasonable cost. The most prospective land for aquaculture in or near Esperance is where suitable zoned land occurs over saline ground water aquifers or adjacent to the coast. Careful site selection would be necessary to ensure water supply, waste water disposal, services and operational space can be achieved at reasonable cost.
Water Current, Volume 32, No. 3, June 2000
Water Current, Volume 32, No. 3, June 2000
Water Current Newsletter
UNL's National Drought Mitigation Center Focused on Current Drought Conditions, Offers Variety of Information
From the Director: Summer Water Tour Leaves Kearney July 24; Internal Search Close to Naming New Permanent Water Center Director
New Rules for Public Drinking Water
Radium and it's Potential Effects on Drinking Water
Festival of Color Given IANR Team Effort Award
Water News Briefs
Free Tabloids Still Available
2000 Groundwater Foundation Fall Conference
New Water Resource List-Serve
Adopt-A-Watershed Leadership Institute
Recapping 2000 Nebraska Water Legislation
Environmental Guidelines For New And Existing Piggeries, A Latto, John Noonan, R. J. Taylor
Environmental Guidelines For New And Existing Piggeries, A Latto, John Noonan, R. J. Taylor
Bulletins 4000 -
These guidelines apply to the management of Western Australia piggeries in Western Australia, including intensive Growing pigs under intensive conditions where the and extensive operations, straw-based housing and animals spend their entire life cycle indoors, is an combinations of these (otherwise referred to as semi- important part of the Western Australian and intensive housing).
Airflow Characteristics Of Commonly Used Temperature Radiation Shields*, X. Lin, Kenneth G. Hubbard, George E. Meyer
Airflow Characteristics Of Commonly Used Temperature Radiation Shields*, X. Lin, Kenneth G. Hubbard, George E. Meyer
School of Natural Resources: Faculty Publications
The air temperature radiation shield is a key component in air temperature measurement in weather station networks; however, it is widely recognized that significant errors in the measured air temperature exist due to insufficient airflow past the air temperature sensor housed inside the shield. During the last several decades, the U.S. National Weather Service has employed a number of different shields in air temperature measurements. This paper focuses on the airflow characteristics inside air temperature shields including the Maximum–Minimum Temperature System (MMTS), the Gill shields, and the Cotton Region Shelter (CRS).
Average airspeed profiles and airflow efficiency inside the shields …
Lethal Control Of Piscivorous Birds At Aquaculture Facilities In The Northeast United States: Effects On Populations, Bradley F. Blackwell, Richard A. Dolbeer, Laura A. Tyson
Lethal Control Of Piscivorous Birds At Aquaculture Facilities In The Northeast United States: Effects On Populations, Bradley F. Blackwell, Richard A. Dolbeer, Laura A. Tyson
United States Department of Agriculture Wildlife Services: Staff Publications
Predation by piscivorous birds is considered a substantial threat to the aquaculture industry. However, lethal control of birds at aquaculture facilities has raised concerns about the effects on the distribution and abundance of populations of the species killed. We examined the relationship between numbers of piscivorous birds reported killed under U.S. Fish and Wildlife Service (USFWS) permits at aquaculture facilities in New York, New Jersey, and Pennsylvania and species population trends within the respective states. The USFWS issued 26 permits to 9 facilities from 1985 through September 1997. Eight species appeared on permits, but only six species were reported killed: …
Extralimital Records Of The Mexican Free-Tailed Bat (Tadarida Brasilensis Mexicana) In The Central United States And Their Biological Significance, Hugh H. Genoways, Patricia W. Freeman, Cary Grell
Extralimital Records Of The Mexican Free-Tailed Bat (Tadarida Brasilensis Mexicana) In The Central United States And Their Biological Significance, Hugh H. Genoways, Patricia W. Freeman, Cary Grell
School of Natural Resources: Faculty Publications
Two new records of Tadarida brasiliensis mexicana are reported from Nebraska. The literature records of this taxon from the central United States are summarized. In this region of North America, these bats occupy a “natal range” where the species carries on regular reproductive activities and the populations are relatively stable, including California, Arizona, New Mexico, Texas, and Oklahoma. To the north of the natal range of T. b. mexicana is a “pioneering zone” where, under favorable conditions, the species is capable of reproducing and conducting its normal activities. The pioneering zone of the Mexican free-tailed bat includes Barber and Comanche …
Shifting Distributional Patterns Of Mammals In Nebraska, Russell A. Benedict, Hugh H. Genoways, Patricia W. Freeman
Shifting Distributional Patterns Of Mammals In Nebraska, Russell A. Benedict, Hugh H. Genoways, Patricia W. Freeman
School of Natural Resources: Faculty Publications
New distributional records are presented for 20 species of mammals in Nebraska. The majority of these records appear to represent changes in geographic distribution rather than just better sampling in poorly known areas. One group of mammals, including the opossum, northern myotis, evening bat, red bat, woodchuck, white-footed mouse, and gray fox, is expanding westward, probably in response to increasing woodlands along river systems. Another group, including the meadow vole, masked shrew, and least weasel, is expanding southward, possibly in response to new prey species and changing microclimates. The eastern woodrat appears to be expanding northward in eastern Nebraska. The …