Estimating target strength of young chum salmon (Oncorhynchus keta)

被引：1

作者：

Minami, Kenji ^{[1
]}

Shirakawa, Hokuto ^{[2
]}

Kawauchi, Yohei ^{[3
]}

Shao, Huamei ^{[4
,9
]}

Tomiyasu, Makoto ^{[5
,10
]}

Iwahara, Yuka ^{[4
]}

Tsuda, Yuichi ^{[6
]}

Takahara, Hideo ^{[7
,11
]}

Zhu, Yanhui ^{[4
]}

Miyashita, Kazushi ^{[8
]}

机构：

[1] Shimane Univ, Estuary Res Ctr, Matsue, Shimane, Japan

[2] Japan Fisheries Res & Educ Agcy, Fisheries Resources Inst, Demersal Fish Resources Div, Fisheries Stock Assessment Ctr, Niigata, Niigata, Japan

[3] Japan Fisheries Res & Educ Agcy, Socioecol Syst Div, Fisheries Resources Inst, Yokohama, Kanagawa, Japan

[4] Hokkaido Univ, Grad Sch Environm Sci, Hakodate, Hokkaido, Japan

[5] Hokkaido Univ, Fac Fisheries Sci, Hakodate, Hokkaido, Japan

[6] Japan Fisheries Res & Educ Agcy, Fisheries Resources Inst, Highly Migratory Resources Div, Fisheries Stock Assessment Ctr, Yokohama, Kanagawa, Japan

[7] Fisheries & Oceans Hakodate, Hakodate, Hokkaido, Japan

[8] Hokkaido Univ, Field Sci Ctr Northern Biosphere, Hakodate, Hokkaido, Japan

[9] Japan Fisheries Res & Educ Agcy, Coastal & Inland Fisheries Ecosyst Div, Fisheries Technol Inst, Nagasaki, Japan

[10] Japan Fisheries Res & Educ Agcy, Marine Fisheries Res & Dev Ctr, Natl Res & Dev Agcy, Yokohama, Kanagawa, Japan

[11] Japanese Inst Fisheries Infrastruct & Communities, Chiyoda Ku, Tokyo, Japan

来源：

CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES | 2022年 / 79卷 / 02期

关键词：

SWIMMING SPEEDS; FISH;

D O I：

10.1139/cjfas-2021-0181

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Although chum salmon (Oncorhynchus keta) is an important fishery resource in Japan, acoustic methods cannot be applied to biomass estimation because the target strength (TS) is unknown. This study clarified the TS for each fork length (FL: 5.5-33.5 cm) of young chum salmon inhabiting the Japanese coastal area to the Bering Sea by measuring free-swimming fish. The size dependences of the TS values were TSmean = 20log(10)FL - 68.0, for both 38 and 120 kHz. This facilitated the estimation of biomass of young salmon using acoustic methods.

引用

页码：195 / 199

页数：5

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