Physical Sciences and Mathematics Commons^™

Charting A Future: Process And Promise, Bobby R. Acord, Craig A. Ramey, Robert W. Werge

Proceedings of the Sixteenth Vertebrate Pest Conference (1994)

The Animal Damage Control program has been heavily involved in strategic planning since its transfer from USDI to USDA. The first effort was undertaken in 1989 by the program's management team. It was an introspective, critical look at what changes were needed to improve the program's strategic position in the natural resources community. That plan failed to achieve the desired objective due principally to the lack of involvement by ADC employees and others outside the program. In 1991, a more comprehensive effort was begun known as "Futuring." In this process, a representative from each organizational level of the program and …

Field Tests Of A Copper-Based Fungicide As A Bird Repellent Rice Seed Treatment, Michael L. Avery, M.O. Way

Proceedings of the Sixteenth Vertebrate Pest Conference (1994)

In east Texas, bird damage to sprouting rice was reduced in two of seven study plots when rice seed was treated with the fungicide Kocide® SD at the maximum label rate (8 fluid oz/100 1b seed). Foraging rates of male red-winged blackbirds (Agelaius phoeniceus) in treated plots were lower (P = 0.02) than were those in control plots. We suspect that the copper in Kocide SD produces physiological effects that suppress feeding activity that results in reduced losses in some cases. Because it is registered for use on rice and is relatively inexpensive, Kocide SD may be a useful component …

Stowaway Transport Rates Of House Mice (Mus Domesticus) And Deermice (Peromyscus Maniculatus)*, Ann Eileen Miller Baker

Proceedings of the Sixteenth Vertebrate Pest Conference (1994)

Stowaway transport rates were obtained from behavioral observations of 14 house mice (Mus domesticus) and 14 deermice (Peromyscus maniculatus) during commercial transport. One house mouse escaped during unloading and flaking of 2,500 kg 2-year old oat hay. Three house mice and two deermice were hand-caught on trucks during unloading of 51,110 kg transported barley straw and grass hay. One house mouse was hand-caught after being buried alive in grain. Two house mice escaped during unloading of a semitruck holding dog food. House mice (one live, six recently-dead) and deermice (two recently-dead) were taken from a feedmill screen over which had …

Blurred Images: And The Future Of Wildlife Damage Management , Jack H. Berryman

Proceedings of the Sixteenth Vertebrate Pest Conference (1994)

The paper points out a number of perceptions that blur and damage the image of wildlife damage management and their importance to the future. Some of the reasons for the perceptions are suggested and a number of steps suggested to improve the public image. It concludes on a note of optimism for the future.

Resistance To The First And Second Generation Anticoagulant Rodenticides-A New Perspective, A.P. Buckle, C.V. Prescott, K.J. Ward

Proceedings of the Sixteenth Vertebrate Pest Conference (1994)

Warfarin resistance was first discovered among Norway rat (Rattus norvegicus) populations in Scotland in 1958 and further reports of resistance, both in this species and in others, soon followed from other parts of Europe and the United States. Researchers quickly defined the practical impact of these resistance phenomena and developed robust methods by which to monitor their spread. These tasks were relatively simple because of the high degree of immunity to warfarin conferred by the resistance genes. Later, the second generation anticoagulants were introduced to control rodents resistant to the warfarin-like compounds, but resistance to difenacoum, bromadiolone and brodifacoum is …

The Providence River Shipping Channel Dredge Project: Its Best Chance For Success Is Through Risk Communication, Elizabeth R. Deblois

Theses and Major Papers

Providence Harbor and the Providence River shipping channel in Narragansett Bay need dredging to accommodate the shipping interest of the Port of Providence. Federal and State regulations have evolved in such a way that no dredging can be initiated without identifying sites for disposal of the dredge spoils. Dredge spoils are one of the few remaining categories of materials that, under regulation, can be dumped in the ocean. What then stalemates the process of identifying dredge spoil sites and initiating a dredging program? By default Rhode Island has adopted the "do nothing" alternative for the past twenty years. This apparently …

The Persian Gulf Oil Spill: A Case Study Of Emerging International Law On Environmental Damages During Hostilities, Esther J. Mcclure

Theses and Major Papers

During the 1991 Persian Gulf War, the retreating Iraqis caused the deliberate discharge of six million barrels of oil into the shallow waters of the Persian Gulf. The immediate impact on the ecosystem was dramatic, and, because of the intense media coverage of the conflict, highly visible to the American public. The spill popularized the term 'ecoterrorism' and raised serious questions about the applicability of international law to the situation. There are numerous conventions that seek to establish standards of due diligence for the prevention of accidental pollution and to impose civil liability on those who damage the environment, but …

The Arctic Environmental Protection Strategy: A Comparison With The Approach Of The Unep Regional Seas Programme, Vinton Valentine

Theses and Major Papers

In the past two decades, there has been a rise in the number of multilateral regional agreements for marine environmental protection. A large proportion of these regional agreements are the result of the United Nations Environment Programme's (UNEP) Regional Seas Programme. While there are thirteen regional seas under the Programme, the Arctic Ocean is not, and never was, one of them. In describing concerns regarding the Arctic environment and approaches to handle them, a number of commentators have proposed the application of UNEP Regional Seas Programme approach to the Arctic region. However, despite an attempt from the Inuit Circumpolar Conference …

Conservation And Management Of Sri Lanka's Coastal Resources Through The Experience Of Other Countries, K.W.P. Thilakaratna

Theses and Major Papers

After Sri Lanka's independence in 1948, the economic importance of the coastal areas had intensified due to development of commercial and fishery harbors, transportation, communication, and recreational facilities. Opportunities in the public administration, industry, and education sectors were other main attractions. With the introduction of international tourism in 1970, economic development of coastal areas increased further. In addition to the job opportunities provided by the industrial and commercial sectors, many people were engaged in other activities depending on coastal resources, including fishing and mining activities. Prior to 1978, there was no proper authority or mechanism to address coastal issues. legislation …

Identification Of Tire Leachate Toxicants And A Risk Assessment Of Water Quality Effects Using Tire Reefs In Canals, S. M. Nelson, G. Mueller, D. C. Hemphill, U.S. Bureau Of Reclamation

Publications (WR)

Cover is an important component of aquatic habitat and fisheries management. Fisheries biologists often try to improve habitats through the addition of natural and artificial material to improve cover diversity and complexity. Habitat-improvement programs range from submerging used Christmas trees to more complex programs using sophisticated artificial habitat modules. Used automobile tires have been employed in the large scale construction of reefs and fish attractors in marine environments and to a lesser extent in freshwater and have been recognized as a durable, inexpensive and long-lasting material which benefits fishery communities.

Recent studies by the U.S. Bureau of Reclamation have quantified …

The Effects Of Contaminated Sediment On The Epidermal Goblet Cells Of The Mummichog, Fundulus Heteroclitus, Laurent C. Mézin

Dissertations, Theses, and Masters Projects

Secretion of mucus by epidermal goblet cells is an important first line of defense for teleosts. It protects them against many of the biological, physical and chemical insults they encounter in their environment. This project monitored changes in hemoglobin concentration in epidermal mucus and in the density, diameter and mucus quality of epidermal goblet cells in the mummichog, Fundulus heteroclitus, following exposure to creosote-contaminated sediment. Male fish (200) were exposed for 13 days in flowthough aquaria to either an uncontaminated reference sediment or contaminated sediment containing 30% Elizabeth River sediment. Fish were sampled on Days 0, 3, 7 and 13. …

Toxicity Resistance In Mummichog (Fundulus Heteroclitus) From A Chemically Contaminated Environment, Cynthia A. H. Williams

Dissertations, Theses, and Masters Projects

No abstract provided.

Fish Consumption, Exposure To Dioxin, And Health Risk Assessments, Kevin J. Boyle

Maine Policy Review

Human health issues have become the focus of much of the environmental debate that continues to occur daily in theU.S.InMaine, dioxin, a by-product of the kraft paper making process, has gathered its share of attention in recent months.UniversityofMaineresource economist Kevin Boyle discusses the difficulties associated with assessing human health risks relative to the consumption of fish tissue potentially contaminated with dioxin. He cautions state regulators to avoid overestimating the potential risks associated with human exposure to toxic substances such as dioxin.