Abundance estimates of dalli-type and truei-type of Dall’s porpoise Phocoenoides dalli in the western central part of the Sea of Okhotsk, July–September between 1990 and 2010

Fisheries Science - Tập 81 Số 4 - Trang 611-619 - 2015
Yu Kanaji1, Tomio Miyashita1, Hiderou Yoshida1, Makoto Okazaki2, Toshiya Kishiro1
1National Research Institute of Far Seas Fisheries, Fisheries Research Agency, Yokohama, Japan
2National Research Institute of Fisheries Science, Fisheries Research Agency, Yokohama, Japan

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