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pro vyhledávání: '"P. L. Colbourne"'
Autor:
P. L. Colbourne, J. M. Terhune
Publikováno v:
Ophelia. 33:105-112
Aerial surveys of hauled-out harbour seals (Phoca vitulina)were conducted along the mainland New Brunswick coast of the Bay of Fundy, 1–2 times monthly from January to mid-December 1987. A gradual summer increase and autumnal decrease in seal numbe