Health of Antarctic Wildlife: A Challenge for Science and by Knowles R. Kerry, Martin Riddle
By Knowles R. Kerry, Martin Riddle
This ebook presents a huge evaluate of the wellbeing and fitness of Antarctica’s birds and seals. it really is set opposed to the history of obtainable medical and environmental info and the political and administrative methods in position. 17 chapters are offered in parts:
- Wildlife Disease comprises studies, case reviews and future health assessments.
- External Factors covers the environmental, administrative and felony aspects.
The time period wellbeing and fitness is utilized in its widest feel to surround the traditional country and people elements which detract from it together with either infectious and non-infectious causes.
A needs to for veterinary and organic scientists, coverage makers and directors whose activity it's to guard Antarctica’s natural world opposed to the creation or unfold of illnesses through human activities.
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Extra info for Health of Antarctic Wildlife: A Challenge for Science and Policy
Through these studies we have learned valuable lessons about the epidemiology of viral infections in marine mammal populations. To spread rapidly, a virus requires a naïve host population of a minimum density, which in marine mammals can arise either through population growth or changes in social behaviour. Once infected, a migrating or wandering animal may carry the virus into new habitats. 1992). 1993; Duignan et al. 1993; Kennedy et al. 1988, 1989). , emaciation and overwhelming infections by bacteria, fungi, and other viruses (Geraci 1989).
1996). Relatively few studies have been conducted on contaminant burdens in pinnipeds of the Southern Ocean. Existing data indicate that although these species are exposed to anthropogenic contaminants, primarily from atmospheric sources, tissue levels are far lower than those commonly found in species in more industrialized areas (Hidaka et al. 1984; Kawano et al. 1983). Contaminant levels in species feeding primarily on krill – baleen whales, crabeater seals, and Antarctic fur seals – should be even less (O’Shea and Brownell 1994).
Its role as a primary pathogen in the outbreak was never established. Certain pathogens or parasites of terrestrial origin are being found in marine mammals. Infection with the protozoan Toxoplasma gondii (sometimes in conjunction with Sarcocystis) causes fatal encephalitis in sea otters along the US Pacific coast, although infection also appears to be widespread among healthy animals (Lindsay et al. 2001). Domestic or feral cats are the presumed source, with oocysts shed in the faeces entering coastal waters in runoff or sewage (Miller et al.