. The Canadian field-naturalist. Natural history. 380 The Canadian Field-Naturalist Vol. 116 Table 5. Parameter estimates for the model of increase in Sperm Whale stranding events by year. Standard errors are indi- cated in parentheses. Geographic Area Basal level [k] /yr Increase [b] /yr Start of increase [c] British Isles () Scotland () Ireland () England () England -i-Mainland Scotland () Scottish Islands () () () () () () () 1970 (6) 1971 (5) 1962 (10) 1928 (102) I960 (17) 1973 (5) hazard to
. The Canadian field-naturalist. Natural history. 380 The Canadian Field-Naturalist Vol. 116 Table 5. Parameter estimates for the model of increase in Sperm Whale stranding events by year. Standard errors are indi- cated in parentheses. Geographic Area Basal level [k] /yr Increase [b] /yr Start of increase [c] British Isles () Scotland () Ireland () England () England -i-Mainland Scotland () Scottish Islands () () () () () () () 1970 (6) 1971 (5) 1962 (10) 1928 (102) I960 (17) 1973 (5) hazard to Sperm Whales at the surface, and multiple mortalities have resulted from fast ferry strikes in other regions of the world (Aguilar et al. 2000), such vessels do not operate intensively in the regions under consideration here, and there is no evidence of vessel collision from the strandings data. (a). (b). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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