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Ageing live New Zealand sea lions (Phocarctos hookeri) using the first post-canine tooth

S. Childerhouse, Auteur ; G. Dickie, Auteur ; G. Hessel, Auteur

Dans Wildlife Research (31(2) 2004)

Live New Zealand sea lions (Phocarctos hookeri) were aged from growth layer groups (GLGs) in the cementum of a lower first post-canine tooth. A single post-canine (PC1) was removed from individuals of known-age (n = 74) between 1997 and 2001 whi[...]

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