Horizontal distribution patterns and mechanism of population fluctuation of larval and juvenile fishes in the East China Sea

2008 Fiscal Year Final Research Report

• Project/Area Number: 18780158
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: General fisheries
• Research Institution: National Fisheries University
• Principal Investigator: MOKU Masatoshi National Fisheries University, 海洋生産管理学科, 助教 (30416466)
• Project Period (FY): 2006 – 2008
• Keywords: 海洋資源 / 海洋生態系 / 水産学 / 魚類マイクロネクトン / 仔稚魚 / 東シナ海 / 個体数変動

Research Abstract

1999-2007年冬季(2-3月)に東シナ海においてプランクトンネットで採集された仔魚標本を基に、仔魚の個体数密度を計算し、仔魚の個体数変動と表面水温との関係を解析した。仔魚の個体数密度は表面水温と正の相関があり、黒潮の北側海域よりも黒潮海域で仔魚が多く分布していること、黒潮海域よりも黒潮の北側海域で個体数密度の経年変動幅が大きいことが分かった。黒潮北側海域は東シナ海陸棚水の影響を大きく受けることから、中国沿岸からの沿岸水の移流や淡水の流入量と関係があり、このことが仔魚の個体数密度変動が大きく変動することと関係があるものと推測された。

Research Products

• [Journal Article] Genetic diversity and population structure of the three dominant lanternfishes (Diaphus theta, Stenobrachius leucopsarus, and Stenobrachius nannochir) in the North Pacific (2009)
  • Author(s): Shigeaki Kojima, Masatoshi Moku and Kouichi Kawaguchi
  • Journal Title: Journal of Oceanography 65(2) Pages: 187-193
  • Peer Reviewed
• [Journal Article] Comparison of feeding habits of myctophid fishes and juvenile small epipelagic fishes in the western North Pacific (2009)
  • Author(s): Kaori Takagi, Akihiko Yatsu, Hiroshi Itoh, Masatoshi Moku and Hiroshi Nishida
  • Journal Title: Marine Biology 156(4) Pages: 641-659
  • Peer Reviewed
• [Journal Article] Enhanced chlorophyll associated with island-induced cyclonic eddies in the eastern channel of the Tsushima Straits (2009)
  • Author(s): Goh Onitsuka, Akihiko Morimoto, Tetsutaro Takikawa, Atsushi Watanabe, Masatoshi Moku, Yutaka Yoshikawa and Tetsuo Yanagi
  • Journal Title: Estuarine, Coastal and Shelf Science 81(3) Pages: 401-408
  • Peer Reviewed
• [Journal Article] Seasonal variation of horizontal material transport through the eastern channel of the Tsushima Straits (2009)
  • Author(s): Akihiko Morimoto, Tetsutaro Takikawa, Goh Onitsuka, Atsushi Watanabe, Masatoshi Moku and Tetsuo Yanagi
  • Journal Title: Journal of Oceanography 65(1) Pages: 61-71
  • Peer Reviewed
• [Journal Article] Pelagic Juveniles of the Longfin Codling Laemonema longipes (Teleostei : Gadiformes : Moridae) from off northeastern Japan (2008)
  • Author(s): Makoto Okamoto, Tsutomu Hattori, Masatoshi Moku, Yuji Okazaki and Atsuko Yamaguchi
  • Journal Title: Species Diversity 13(4) Pages: 231-243
  • Peer Reviewed
• [Journal Article] Characteristics of water mass under the surface mixed layer in Tsushima Straits and the southwestern Japan Sea in autumn (2008)
  • Author(s): Tetsutaro Takikawa, Akihiko Morimoto, Goh Onitsuka, Atsushi Watanabe and Masatoshi Moku
  • Journal Title: Journal of Oceanography 64(4) Pages: 585-594
  • Peer Reviewed
• [Journal Article] Chemical composition of myctophid fish, Diaphus theta, Stenobrachius leucopsarus, and S. nannochir, in the subarctic and transition waters of the western North Pacific (2008)
  • Author(s): Masatoshi Moku and Kouichi Kawaguchi
  • Journal Title: Journal of the Marine Biological Association of the United Kingdom 88(4) Pages: 843-846
  • Peer Reviewed
• [Journal Article] Seasonal appearance of expatriated boreal copepods in the Oyashio-Kuroshio mixed region (2008)
  • Author(s): Toru Kobari, Masatoshi Moku and Kazutaka Takahashi
  • Journal Title: ICES Journal of Marine Science 65(3) Pages: 469-476
  • Peer Reviewed
• [Journal Article] Diet and sexual maturation of the neon flying squid Ommastrephes bartramii during autumn and spring in the Kuroshio-Oyashio transition region (2008)
  • Author(s): Hikaru Watanabe, Tsunemi Kubodera, Taro Ichii, Mitsuo Sakai, Masatoshi Moku and Masaki Seitou
  • Journal Title: Journal of the Marine Biological Association of the United Kingdom 88(2) Pages: 381-389
  • Peer Reviewed
• [Journal Article] 東北沖から採集された日本初記録のハナメイワシ科魚類クズボシハナメイワシ (新称) Maulisia argipalla (2007)
  • Author(s): 岡本 誠, 杉崎宏哉, 内川和久, 杢雅利, 岡崎雄二
  • Journal Title: 魚類学雑誌 54(2) Pages: 197-202
  • Peer Reviewed
• [Journal Article] Age and growth of two lanternfishes, Symbolophorus californiensis and Ceratoscopelus warmingii (family Myctophidae), in the Kuroshio-Oyashio Transition Zone (2006)
  • Author(s): Kaori Takagi, Akihiko Yatsu, Masatoshi Moku, and Chiyuki Sassa
  • Journal Title: Ichthyological Research 53(3) Pages: 281-289
  • Peer Reviewed
• [Journal Article] Diel vertical migration of squids in the warm core ring and cold water masses in the transition region of the western North Pacific (2006)
  • Author(s): Hikaru Watanabe, Tsunemi Kubodera, Masatoshi Moku and Kouichi Kawaguchi
  • Journal Title: Marine Ecology Progress Series 315 Pages: 187-197
  • Peer Reviewed
• [Journal Article] 日本初記録のハダカエソ科魚類キタナメハダカ(新称)Lestidiops ringens. (2006)
  • Author(s): 岡本 誠, 杉崎宏哉, 杢雅利, 岡崎雄二
  • Journal Title: 魚類学雑誌 53(1) Pages: 77-82
  • Peer Reviewed
• [Presentation] 東シナ海およびその周辺海域における中深層性魚類マイクロネクトンの生態 (2008)
  • Author(s): 杢 雅利, 井川則幸, 山内昭博
  • Organizer: 2008年度日本魚類学会年会
  • Place of Presentation: 松山
  • Year and Date: 20080000
• [Presentation] 対馬島陰の低気圧性渦周辺における栄養塩・プランクトン分布 (2008)
  • Author(s): 鬼塚剛, 杢雅利, 小針統, 滝川哲太郎, 森本昭彦, 渡邉敦, 吉川裕, 柳哲雄, 水谷壮太郎, 秦一浩, 下岡尚輔, 酒井健一, 仁井谷真, 小勝正貴, 島崎渉
  • Organizer: 2008年度日本海洋学会秋季大会
  • Place of Presentation: 呉
  • Year and Date: 20080000
• [Presentation] 東シナ海およびその周辺海域における中深層性魚類マイクロネクトンの生活史 (2007)
  • Author(s): 杢 雅利, 井川則幸, 山内昭博
  • Organizer: 2007年度日本海洋学会秋季大会
  • Place of Presentation: 沖縄
  • Year and Date: 20070000
• [Presentation] 東シナ海およびその周辺海域における中深層性魚類マイクロネクトンの種組成および生物量 (2007)
  • Author(s): 杢 雅利, 井川則幸, 山内昭博
  • Organizer: 2007年度日本海洋学会春季大会
  • Place of Presentation: 東京
  • Year and Date: 20070000