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2007

Risk

Articles 1 - 8 of 8

Full-Text Articles in Physical Sciences and Mathematics

Securing Voip: A Framework To Mitigate Or Manage Risks, Peter James, Andrew Woodward Dec 2007

Securing Voip: A Framework To Mitigate Or Manage Risks, Peter James, Andrew Woodward

Australian Information Security Management Conference

In Australia, the past few years have seen Voice over IP (VoIP) move from a niche communications medium used by organisations with the appropriate infrastructure and capabilities to a technology that is available to any one with a good broadband connection. Driven by low cost and no cost phone calls, easy to use VoIP clients and increasingly reliable connections, VoIP is replacing the Public Switch Telephone Network (PSTN) in a growing number of households. VoIP adoption appears to be following a similar path to early Internet adoption, namely little awareness by users of the security implications. Lack of concern about …

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Population-Based Fish Consumption Survey And Probabilistic Methylmercury Risk Assessment, John J. Johnston, Jamie L. Snow Nov 2007

Population-Based Fish Consumption Survey And Probabilistic Methylmercury Risk Assessment, John J. Johnston, Jamie L. Snow

USDA Wildlife Services: Staff Publications

A fish consumption survey was developed and administered by telephone to 820 Wyoming fishing license holders. Survey respondents provided the frequency, species, and quantity of Wyoming-caught and store-bought fish consumed for license holder and household members. Deterministic and probabilistic methylmercury exposure distributions were estimated by multiplying fish consumption by species-specific mercury concentrations for each household member. Risk assessments were conducted for children, women of childbearing age, and the rest of the population by comparing methylmercury exposure distributions to levels of concern. The results indicate that probabilistic risk assessment likely provides a more realistic view of the risk to the study …

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Genetic Options For The Control Of Invasive Vertebrate Pests: Prospects And Constraints, Ronald E. Thresher Aug 2007

Genetic Options For The Control Of Invasive Vertebrate Pests: Prospects And Constraints, Ronald E. Thresher

Managing Vertebrate Invasive Species

Conventional methods for the control of invasive pests are generally effective only on small-space scales or short-time frames. For most well established pest populations, longer-term efforts to manage the problem have been largely abandoned. I examine the potential of using “autocidal” genetic techniques to control terrestrial vertebrate pests, based on the inheritance through males of transgenes that either sterilize females or convert them into functional males (“daughterless”). Simulation analysis of two high profile pest species, the cane toad (Bufo marinus) in Australia and brown rats (Rattus norvegicus) in an urban environment, using realistic parameters, suggests that …

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The Failed Regulatory System For Animal Imports Into The United States – And How To Fix It, Peter Jenkins Aug 2007

The Failed Regulatory System For Animal Imports Into The United States – And How To Fix It, Peter Jenkins

Managing Vertebrate Invasive Species

This paper provides a synopsis of the Defenders of Wildlife report entitled Broken Screens: The Regulation of Live Animal Imports in the United States, released in August 2007. That report assessed the complex federal system for regulating live wild animal imports as applied to the 2,241 non-native species that were identified in United States Fish and Wildlife Service records as being imported between 2000 and 2004, inclusive. The report describes the “coarse risk screening” conducted for those species by searching the scientific literature and United States and international databases. If one or more reliable sources indicated a species was …

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Early Detection And Eradication Of Invading Rats, James C. Russell, Mick N. Clout, David R. Towns Aug 2007

Early Detection And Eradication Of Invading Rats, James C. Russell, Mick N. Clout, David R. Towns

Managing Vertebrate Invasive Species

Invasive rats continue to colonize rat-free islands around the world. To prevent rats from establishing on rat-free islands, especially following their eradication, biosecurity actions are required to enable early detection and elimination. Rats arrive at islands by both human transportation and by swimming. There are very little data on the rates of rat transportation by humans, although it is known that they are not negligible. There are better data on the distances rats can swim, allowing estimates to be made of the risk of reinvasion of islands close to source populations. Biosecurity prioritization must take place across all rat-free islands, …

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Comparative Patterns Of Predation By Cougars And Recolonizing Wolves In Montana’S Madison Range, Todd C. Atwood, Eric M. Gese, Kyran E. Kunkel May 2007

Comparative Patterns Of Predation By Cougars And Recolonizing Wolves In Montana’S Madison Range, Todd C. Atwood, Eric M. Gese, Kyran E. Kunkel

USDA Wildlife Services: Staff Publications

Numerous studies have documented how prey may use antipredator strategies to reduce the risk of predation from a single predator. However, when a recolonizing predator enters an already complex predator–prey system, specific antipredator behaviors may conflict and avoidance of one predator may enhance vulnerability to another. We studied the patterns of prey selection by recolonizing wolves (Canis lupus) and cougars (Puma concolor) in response to prey resource selection in the northern Madison Range, Montana, USA. Elk (Cervus elaphus) were the primary prey for wolves, and mule deer (Odocoileus hemionus) were the primary …

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Emerging Near-Real Time Forage Monitoring Technology With Application To Large Herbivore Management In Mongolia, Dennis P. Sheehy, Jerry W. Stuth, Douglas E. Johnson, Jay Angerer, Douglas Tolleson Jan 2007

Emerging Near-Real Time Forage Monitoring Technology With Application To Large Herbivore Management In Mongolia, Dennis P. Sheehy, Jerry W. Stuth, Douglas E. Johnson, Jay Angerer, Douglas Tolleson

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

Large herbivore livestock and wildlife in Mongolia depend almost entirely for substance on forage standing crop produced each year on natural pastureland. Consequently, both livestock and wildlife are continuously subject to environmental risk, especially drought and severe winter storms, while livestock are also subject to financial risk. As consumption-based livestock production changes to commercialized livestock production, steps taken by the livestock herder to avert both environmental and financial risk to livestock can increase environmental risk to large wild herbivores. A realistic and workable pastureland and risk management system will be critical for conservation of large herbivore habitat. New technologies are …

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Safety Culture And Hazard Risk Perception Of Australian And New Zealand Maritime Pilots, Rosa M. Darbra, J.F.E. Crawford, C. W. Haley, R. J. Morrison Jan 2007

Safety Culture And Hazard Risk Perception Of Australian And New Zealand Maritime Pilots, Rosa M. Darbra, J.F.E. Crawford, C. W. Haley, R. J. Morrison

Faculty of Science - Papers (Archive)

A survey of the safety culture and hazard risk perception has been carried out involving 77 maritime pilots around Australia and New Zealand, representing more than 20% of the maritime pilots in each country, in proportional geographic districbution.

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