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J-GLOBAL ID：202102234529649185   Reference number：21A0359295

Estimation of sexual maturity based on morphometrics of genital organs in male northern fur seals, Callorhinus ursinus

雄のキタオットセイ(Callorhinus ursinus)における生殖器の形態計測に基づく性成熟度の推定

Author (4)： HIRAKAWA Yukino (Hokkaido Univ., Hokkaido, JPN) ,  HORIMOTO Takanori (Hokkaido Res. Organization, Hokkaido, JPN) ,  SUZUKI Ippei (Hokkaido Univ., Hokkaido, JPN) ,  MITANI Yoko (Hokkaido Univ., Hokkaido, JPN)
Material： Mammal Study
Volume： 46  Issue： 1  Page： 41-51  Publication year： Jan. 2021 
JST Material Number： X0863A  ISSN： 1343-4152  Document type： Article
Article type： 原著論文  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： Callorhinus ursinus ,...
Semi thesaurus term： *キタオットセイ ,...

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JST classification (4)： Animal morphology and anatomy in general  (EJ01040E) ,  Animal taxonomy  (EJ01030T) ,  Reproductive(=genital)organs  (EJ15020P) ,  Population ecology  (EE03030S)

Reference (32)：

• Bartsh, S. S., Johnston, S., Donald, D. and Siniff, B. 1992. Territorial behavior and breeding frequency of male Weddell seals (Lepronychotes weddelli) in relation to age, size, and concentration of serum testosterone and cortisol. Canadian Journal of Zoology 70: 3-53. DOI:10.1139/z92-102.
• Dickie, G. S. and Dawson, S. M. 2003. Age, growth, and reproduction in New Zealand fur seals. Marine Mammal Science 19: 173-185.
• Gelatt, T., Ream, R. and Johnson, D. 2015. Callorhinus ursinus. The IUCN Red List of Threatened Species 2015: e.T3590A45224953. DOI:10.2305/IUCN.UK.2015-4.RLTS.T3590a45224953.en. (accessed 11 june 2020).
• Gentry, R. L. 1998. Behavior and Ecology of the Northern Fur Seal. Princeton University Press, Princeton, 392 pp.
• Griffiths, D. J. 1984. The annual cycle of the testis of the elephant seal (Mirounga leonina) at Macquarie Island. Journal of Zoology 203: 193-204.

Terms in the title (6)： 雄 ,  オットセイ ,  生殖器 ,  形態計測 ,  性成熟 ,  推定