KAKEN — Research Projects | Researcher Number: 00392902

Search Results: 10 results / Researcher Number: 00392902

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1. Mechanisms of species alternations in the Southeastern Brazilian Bight: comparison between western boundary current and upwelling systems

Research Project

Research Category	Grant-in-Aid for Scientific Research (A)
Review Section	Medium-sized Section 40:Forestry and forest products science, applied aquatic science, and related fields
Research Institution	The University of Tokyo
Principal Investigator	高須賀明典東京大学, 大学院農学生命科学研究科(農学部), 教授
Project Period (FY)	2021-04-05 – 2026-03-31Granted
Keywords	魚種交替 / 南東ブラジル湾 / 西岸境界流 / 湧昇流 / 水産資源変動 / 気候変動 / 資源生態 / 産卵生態 / 初期生態 / 海洋環境 / 数理モデル
Outline of Research at the Start	気候変動に伴ってカタクチイワシとマイワシの間で優占魚種が入れ替わる魚種交替現象は、環太平洋海域間で同期してきた。一方、南大西洋の南東ブラジル湾でも魚種交替現象が判明した。地球規模で起こる魚種交替の生物学的メカニズムの解明を目指し、環太平洋海域における魚種交替仮説を南東ブラジル湾で検証する。南東ブラジ ...
Outline of Annual Research Achievements	本研究では、地球規模で起こる魚種交替の生物学的メカニズムの解明を目指し、これまで環太平洋海域で実施してきた研究の成果を総合して導いた海洋環境に対する生物特性の魚種間差に着目した魚種交替仮説を完全に統一した手法によって南東ブラジル湾で検証する。南東ブラジル湾のカタクチイワシとマイワシについて、資源生態 ...
Current Status of Research Progress	3: Progress in research has been slightly delayed.

Research Products of this project	Int'l Joint Research (3 results) Presentation (4 results) Remarks (1 results)

2. Constructing the new basis for fisheries management and recruitment studies through elucidating density-dependent effects on egg production in small pelagic fish

Research Project

Research Category	Grant-in-Aid for Challenging Research (Pioneering)
Review Section	Medium-sized Section 40:Forestry and forest products science, applied aquatic science, and related fields
Research Institution	The University of Tokyo
Principal Investigator	高須賀明典東京大学, 大学院農学生命科学研究科(農学部), 教授
Project Period (FY)	2020-04-01 – 2024-03-31Granted
Keywords	水産資源学 / 資源管理 / 加入研究 / 卵生産 / 密度効果
Outline of Research at the Start	魚類において「産卵親魚量と卵生産量は比例する」というパラダイムは、現在の水産資源管理・加入研究における根本的仮定である。しかし、卵生産における種内・種間密度効果によって、この比例関係には歪みが生じることが示された。本研究では、野外データ解析・標本分析と飼育実験によって、様々な小型浮魚類 (イワシ類、 ...
Outline of Annual Research Achievements	本研究では、野外データ解析・標本分析と飼育実験によって、小型浮魚類複数種を対象として、卵量・卵質に対する種内・種間密度効果を検証する。資源管理への適用のため、卵生産量に基づいた新しい資源管理基準の設定方法を検討し、資源管理リスク評価を行う。加入研究への適用のため、卵生産量に基づいた新しい生残指標値を ...
Current Status of Research Progress	2: Research has progressed on the whole more than it was originally planned.

Research Products of this project	Int'l Joint Research (12 results) Journal Article (15 results, of which Int'l Joint Research: 1 results, Peer Reviewed: 14 results, Open Access: 9 results) Presentation (14 results, of which Int'l Joint Research: 7 results, Invited: 4 results) Remarks (1 results)

3. Food web analysis in the growth area of Pacific saury based on phytoplankton pigment catabolites

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Review Section	Basic Section 40030:Aquatic bioproduction science-related
Research Institution	Fisheries Research and Education Agency
Principal Investigator	Hidaka Kiyotaka 国立研究開発法人水産研究・教育機構, 水産資源研究所(横浜), グループ長
Project Period (FY)	2019-04-01 – 2022-03-31Completed
Keywords	Pacific saury / copepod / Prochlorococcus / Synechococcus / カイアシ類 / サンマ / 食性 / プロクロロコッカス / 植物プランクトン / 色素代謝物 / 食物網 / 植物色素 / 遺伝子
Outline of Research at the Start	サンマは、黒潮より南の比較的暖かい海域を中心に産卵することが、マイワシやマサバなどと比べた特徴である。この海域では非常に小型（0.001mm以下）の植物プランクトンが光合成活動の中心になっていることが知られている。光合成による生物生産は、小型の植物プランクトンからサンマの仔魚・稚魚まで複雑な食物網を ...
Outline of Final Research Achievements	Vessel surveys and sample analysis were conducted to elucidate the food web structure supporting the early growth of juvenile Pacific saury in the wat ...

Research Products of this project	Journal Article (2 results, of which Peer Reviewed: 2 results, Open Access: 2 results) Presentation (6 results, of which Int'l Joint Research: 3 results)

4. Lunar spawning rhythms of small pelagic species - Verification and utilization for stock assessment survey

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Aquatic bioproduction science
Research Institution	Fisheries Research and Education Agency
Principal Investigator	Oozeki Yoshioki 国立研究開発法人水産研究・教育機構, 本部, 審議役
Project Period (FY)	2014-04-01 – 2017-03-31Completed
Keywords	産卵生態 / 小型浮魚類 / 月齢同期性
Outline of Final Research Achievements	Egg survey database with lunar age data was constructed on Japanese sardine, Japanese anchovy, chub mackerel and Pacific saury. Existence of lunar cyc ...

Research Products of this project	Journal Article (4 results, of which Peer Reviewed: 4 results, Acknowledgement Compliant: 2 results) Presentation (18 results, of which Int'l Joint Research: 6 results, Invited: 6 results) Funded Workshop (2 results)

5. Biological mechanisms of synchronous species alternations between the Kuroshio and Humboldt Current systems across the Pacific

Research Project

Research Category	Grant-in-Aid for Scientific Research (A)
Research Field	Aquatic bioproduction science
Research Institution	Fisheries Research and Education Agency
Principal Investigator	Takasuka Akinori 国立研究開発法人水産研究・教育機構, 中央水産研究所, グループ長
Project Period (FY)	2014-04-01 – 2019-03-31Completed
Keywords	海洋生態 / 水産資源 / 魚種交替 / 黒潮海流域 / フンボルト海流域
Outline of Final Research Achievements	The out-of-phase population oscillations between anchovy and sardine (species alternations) have been synchronous between the Kuroshio and Humboldt Cu ...

Research Products of this project	Int'l Joint Research (21 results) Journal Article (19 results, of which Int'l Joint Research: 3 results, Peer Reviewed: 18 results) Presentation (67 results, of which Int'l Joint Research: 39 results, Invited: 19 results) Book (1 results) Remarks (4 results) Funded Workshop (9 results)

6. Analysis of trophic flow and evaluation of relative contribution of each ecosystem for integrated coastal zone management

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	General fisheries
Research Institution	Hiroshima University
Principal Investigator	Shoji Jun 広島大学, 生物圏科学研究科, 准教授
Project Period (FY)	2012-04-01 – 2016-03-31Completed
Keywords	沿岸 / 生態系 / 食物網 / 時空間変動 / 魚類生産 / 季節変動 / 南北比較 / 沿岸生態系 / 複合生態系 / 生産構造 / 栄養フロー / 生態系サービス
Outline of Final Research Achievements	Fish sampling and stomach contents analysis were conducted in order to examine predator-prey interactions of the major components of animal communitie ...

Research Products of this project	Journal Article (27 results, of which Int'l Joint Research: 2 results, Peer Reviewed: 26 results, Open Access: 3 results) Presentation (46 results, of which Int'l Joint Research: 11 results, Invited: 5 results) Book (1 results) Remarks (2 results) Funded Workshop (1 results)

7. Fisheries ecology of Japanese anchovy in the Oyashio-associcted cold water area

Research Project

Research Category	Grant-in-Aid for Scientific Research (A)
Research Field	General fisheries
Research Institution	The University of Tokyo
Principal Investigator	Watanabe Yoshiro 東京大学, 大気海洋研究所, 教授
Project Period (FY)	2011-04-01 – 2016-03-31Completed
Keywords	カタクチイワシ / 親潮系冷水域 / 繁殖生態 / 初期生態 / 加入量変動 / 遡及解析
Outline of Final Research Achievements	The Pacific stock of Japanese anchovy increased in stock abundance in the 1990s and produced a substock spawns in the Oyashio-associated cold water ar ...

Research Products of this project	Journal Article (8 results, of which Peer Reviewed: 6 results, Acknowledgement Compliant: 2 results) Presentation (48 results) Book (4 results) Remarks (1 results)

8. Elucidation of biological mechanisms of species alternations through spawning habitat analysis and intersystem comparison

Research Project

Research Category	Grant-in-Aid for Young Scientists (A)
Research Field	General fisheries
Research Institution	Fisheries Research Agency
Principal Investigator	TAKASUKA Akinori 独立行政法人水産総合研究センター, 中央水産研究所, 主任研究員
Project Period (FY)	2010-04-01 – 2014-03-31Completed
Keywords	海洋生態 / 海洋資源 / 水産学 / 生態学 / 国際研究者交流 / 国際情報交換 / ペルー / カナダ / 米国:ペルー:カナダ / 国際研究者交流(米国・ペルー・カナダ)
Research Abstract	The present study examined biological characteristics of anchovy and sardine mainly through spawning habitat analysis, to clarify biological mechanism ...

Research Products of this project	Journal Article (13 results, of which Peer Reviewed: 10 results) Presentation (35 results, of which Invited: 10 results) Book (4 results) Remarks (14 results)

9. カタクチイワシとマイワシの時空間的重複が魚種交替に及ぼす影響

Research Project

Research Category	Grant-in-Aid for Young Scientists (B)
Research Field	General fisheries
Research Institution	Fisheries Research Agency
Principal Investigator	高須賀明典 Fisheries Research Agency
Project Period (FY)	2006 – 2007Completed
Keywords	海洋生態学 / 水産資源変動 / 魚種交替 / 産卵調査 / カタクチイワシ / マイワシ / 産卵重複 / 種間相互作用
Research Abstract	近年,我が国周辺海域では,マイワシが資源崩壊の危機にある一方,カタクチイワシは資源増大期にある。この「魚種交替」現象は気候変動と対応してきたが,生物過程には未知の部分が多い。魚種特有の適水温特性に着目した過去研究の結果,最近年のマイワシ資源の低迷等を説明するため,種間相互作用の影響を解明する必要が生 ...

Research Products of this project	Journal Article (3 results, of which Peer Reviewed: 2 results) Presentation (1 results)

10. Experimental analyses on the effect of the larval growth rate to the predation mortality of small pelagic fishes

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	General fisheries
Research Institution	Fisheries Research Agency
Principal Investigator	OOZEKI Yoshioki Fisheries Research Agency, National Research Institute of fisheries Science, Stock Assessment division, Section chief
Project Period (FY)	2006 – 2007Completed
Keywords	small pelagic fishes / predation / growth / swimming activity / school
Research Abstract	INTRODUCTION Growth rates of fish larvae represent survival potential during these stages, playing a key role in survival dynamics. The paradigm that ...

Research Products of this project	Journal Article (1 results, of which Peer Reviewed: 1 results) Presentation (2 results)