Obscuring of annuli at low density in the George Reserve population; Failure of the cementum to determine age in deer; Aseasonal events' influence on the entire population.McCulloughDaleR.Wildlife Society BulletinMcCullough, D. R. 1996 . Failure of the tooth cementum aging technique with reduced...
Canine and matching premolar teeth were extracted from 117 unknown-age hunter-killed black bears (Ursus americanus) to determine if the first premolar was a reliable substitute for the canine in aging. Exact age agreement was realized in... CH Willey - 《Journal of Wildlife Management》 被引量...