the influence of topographic and dynamic cyclic variables on the distribution of small cetaceans in a shallow coastal system.the influence of topographic and temporal variables on cetacean distribution at a fine-scale is still poorly understood. to study the spatial and temporal distribution of harbour porpoise phocoena phocoena and the poorly known risso's dolphin grampus griseus we carried out land-based observations from bardsey island (wales, uk) in summer (2001-2007). using kernel analysis and generalized additive models it was shown that porpoises and risso's appeared to be linked to topographic and dynamic cycl ...201424466031
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