海産哺乳類を中心とした生態系モデリングのための数理統計学的研究18 海産哺乳類を中心とした生態系モデリングのための 数理統計学的研究 ＊1 岡村 寛＊2 A statistical study for ecosystem modeling focused on marine mammals ＊1 Hiroshi OKAMURA＊2 Abstract Most of cetacean species are highly migratory and difficult to keep in captivity so that it is not easy to grasp precise status of the populations. On the other hand, the limitation of the management based on single species has been recognized and the de
