2013 Fiscal Year Final Research Report

Diversity and environmental adaptation of functional morphology of marine mammals

Research Project

Project/Area Number	23570103
Research Category	Grant-in-Aid for Scientific Research (C)
Allocation Type	Multi-year Fund
Section	一般
Research Field	Biodiversity/Systematics
Research Institution	Obihiro University of Agriculture and Veterinary Medicine
Principal Investigator	SASAKI Motoki 帯広畜産大学, 畜産学部, 准教授 (50332482)
Co-Investigator(Kenkyū-buntansha)	YAMADA Kazutaka 帯広畜産大学, 畜産学部, 教授 (80292093) ENDO Hideki 東京大学, 学内共同利用施設等, 教授 (30249908)
Project Period (FY)	2011 – 2013
Keywords	海生哺乳類 / 多様性 / 機能形態
Research Abstract	In this study, the fore- and hindlimbs of the harbor seal and the forelimbs of the harbor porpoise were examined three dimensionally to analyze the motion range using CT scanner. In the harbor seal, the broad motion range of tarsal joint with lateral and medial motion was observed. Moreover, the flexion and extension of the shoulder and elbow joints buried within trunk and the pronation of forearm were recognized. In the harbor porpoise, the motion of forelimbs was accompanied by almost none of scapular movement, and the circumnutation of forearms was not confirmed.

(2 results)