Wild Otters: Predation and PopulationsOUP Oxford, 23 de fev. de 1995 - 302 páginas Evidence pointing to a decline in the European Otter population (Lutra lutra) is causing concern among ecologists and conservationists. This important new book written from direct observation of otter populations in Scotland, is the first attempt at a scientific description of populations and behaviour of this species. This essential research offers a fascinating insight into the ecology of mammals living in a hostile environment and provides a much needed basis for active conservation management. |
Conteúdo
| 1 | |
Spatial organization holts and habitat | 26 |
Dispersion of otters along Shetlands coasts | 48 |
some generalizations | 62 |
Social behaviour | 70 |
Diet | 94 |
numbers behaviour and availability | 125 |
hunting behaviour and strategies | 154 |
Populations survival and mortality | 203 |
some generalizations and speculations | 237 |
Otters man and conservation | 252 |
| 270 | |
| 287 | |
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Termos e frases comuns
adult animals badgers behaviour Boatsroom Voe butterfish carnivores catch caught cent core areas crabs cubs density diet diving eating eelpout eels effects estimated Eurasian otter European otter feeding females fish fish populations foraging fresh water freshwater areas giant otter habitat home range important individual otters instance Kruuk and Conroy Kruuk and Moorhouse Kruuk et al lochs lumpsucker Lunna lutra Macdonald 1986 mammals Mason and Macdonald Melquist metres Moorhouse 1990 mortality mother natal holt Nolet north-east Scotland numbers numbers of otters observations otter numbers otter populations otters in Shetland patches PCBs pollution pool predators prey species River Dee salmonid scent marking Scotland Scottish west coast sea otter seasonal sections shallow Shetland otters Shetland study shore smooth otter spatial organization species of otter spraints stickleback streams study area success rates swimming territories tion traps water temperature Weibka weight winter