Models for inhabited areas are used in a variety of applications for accidental or continuous releases of radioactivity to atmosphere. Pathways of interest are external exposure from radioactive material in the cloud or deposited on indoor and outdoor surfaces and people, inhalation from the plume and from material resuspended from the ground. In developing a model for inhabited areas it is necessary to consider what the end users may need and ensure that the model is appropriate for the application; different levels of detail may be appropriate for different applications. This paper considers the main processes governing exposure in inhabited areas, commenting on the extent to which we understand them and how well current models reflect this understanding. It also identifies where the authors believe future modelling is needed and the key areas where the current inhabited area models could be improved.
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http://dx.doi.org/10.1016/j.jenvrad.2004.11.011 | DOI Listing |
J Mammal
February 2025
Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK 99775, United States.
Animals living in seasonal environments have adopted a wide array of tactics used to deal with seasonal resource scarcity. Many species migrate between habitats to reach areas where food resources are more plentiful as an attempt to address energetic demands through foraging. We assessed the winter behavioral adaptations of Caribou (), a large ungulate inhabiting Arctic and sub-Arctic regions known for seasonal resource scarcity.
View Article and Find Full Text PDFEnviron Res
January 2025
UMR-MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Place Eugène Bataillon, Montpellier 34095, France; Australian Rivers Institute, Griffith University, Gold Coast, 4215 Queensland, Australia. Electronic address:
The effects that anthropogenic stressors may have on modulating species' plasticity has been relatively unexplored; however, it represents a scientific frontier that may offer insights into their ability to colonize new habitats. To explore the advantage that inhabiting polluted environments may offer to invasive species, we selected the crayfish Procambarus clarkii, a species that can colonize and thrive in a wide range of aquatic environments, including heavily polluted ones. Here, we studied the molecular and physiological responses of crayfish when experimentally exposed to a pesticide mix of azoxystrobin and oxadiazon at sublethal concentrations.
View Article and Find Full Text PDFTrans R Soc Trop Med Hyg
January 2025
Programa de Pós-Graduação em Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, Pampulha, CEP 31270901 Belo Horizonte, Minas Gerais, Brazil.
Background: In the Americas, visceral leishmaniasis (VL) results from the zoonotic transmission of Leishmania infantum. VL has a high occurrence rate in the Metropolitan Region of Belo Horizonte (BH), Minas Gerais, Brazil, and has rapidly spread throughout the municipality since it was first recorded in 1994. This research analysed a historical perspective over 25 y of human VL occurrence in BH.
View Article and Find Full Text PDFEcology
January 2025
Securing Antarctica's Environmental Future, School of Biological Sciences, Monash University, Melbourne, Victoria, Australia.
Antarctica is one of Earth's most untouched, inhospitable, and poorly known regions. Although knowledge of its biodiversity has increased over recent decades, a diverse, wide-ranging, and spatially explicit compilation of the biodiversity that inhabits Antarctica's permanently ice-free areas is unavailable. This absence hinders both Antarctic biodiversity research and the integration of Antarctica in global biodiversity-related studies.
View Article and Find Full Text PDFMar Pollut Bull
January 2025
Universidade Federal de Pernambuco, Programa de Pós-Graduação em Biologia Animal, Center for Biosciences, Av. Prof. Morais Rêgo s/n, Recife, Pernambuco 50670-420, Brazil; Universidade Federal de Pernambuco, Department of Zoology, Center for Biosciences, Av. Prof. Morais Rêgo s/n, Recife, Pernambuco 50670-420, Brazil. Electronic address:
During the last half of 2019, the Northeast coast of Brazil suffered from an extensive oil spill of unknown origin, and marine organisms in those areas were subjected to significant impacts. In situations like this, the contaminant effects can persist for varying periods. Oil contaminants, such as polycyclic aromatic hydrocarbons (PAHs), generally reduce taxa's abundance and diversity in benthic communities in areas with greater exposure to chemical components.
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