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pro vyhledávání: '"C D Duck"'
Autor:
C D Duck, D Thompson
Publikováno v:
NAMMCO Scientific Publications, Vol 6, Iss 0, Pp 69-78 (2013)
Grey seal pup production in Scotland was estimated through annual aerial surveys of the main grey seal breeding colonies. Between 3 and 7 counts of pups were obtained for each colony at intervals through the course of the breeding season. Pup product
Externí odkaz:
https://doaj.org/article/1b8295d4719f404f95d57b372e6d4e4c
