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Patterns of otter Lutra lutra road mortality in Britain by C.K. Philcox; A.L. Grogan; D.W. Macdonald is a Environmental Science article available to read on EtoBox.

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## Summary 1. This paper examines patterns of otter road traffic accidents and the possibilities for reducing this mortality. 2. Records of otter road casualties in Britain (673 between 1971 and 1996) were compiled and accident sites were plotted on 1:50000 scale Ordnance Survey maps. Casualty records were categorized by geographical region, road type, distance to watercourses and presence and type of river crossings. The data were analysed for demographic, seasonal, temporal and spatial trends. 3. A rapid increase in numbers of road traffic accident records has occurred since 1983. Fifty‐six per cent of fatalities were males, representing a statistically significant bias. 4. The number, but not the sex ratio, of otter road casualties differed between seasons and in all areas was positively correlated with either seasonal rainfall or river flow. 5. Significant effects of geographical region, road density and year were found on the annual number of casualties recorded in mainland regions, and the regional rates of increase in numbers of road traffic accidents were significantly different. There is also evidence that road traffic accidents are influenced by otter site occupancy of a

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Author

C.K. Philcox; A.L. Grogan; D.W. Macdonald

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; JSTOR (ISSN 0021-8901)

Published

1999

Language

EN

Field

Environmental Science (Physical Sciences)