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  1. 139 大気海洋研究所
  2. 80 国際沿岸海洋研究センター
  3. Coastal Marine Science
  4. 36
  5. 1
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. Coastal Marine Science
  4. 36
  5. 1

Age and body size of Japanese eels, Anguilla japonica, at the silver-stage in the Hamana Lake system, Japan

https://doi.org/10.15083/00040623
c49dd178-3c41-4922-80aa-5f15792f6c34
名前 / ファイル ライセンス アクション
CMS360102.pdf CMS360102.pdf (517.1 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2014-09-03
タイトル
タイトル Age and body size of Japanese eels, Anguilla japonica, at the silver-stage in the Hamana Lake system, Japan
言語
言語 eng
キーワード
主題 Silver eel
主題Scheme Other
キーワード
主題 growth rates
主題Scheme Other
キーワード
主題 body size
主題Scheme Other
キーワード
主題 otolith microchemistry
主題Scheme Other
キーワード
主題 salinity
主題Scheme Other
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.15083/00040623
ID登録タイプ JaLC
著者 Sudo, Ryusuke

× Sudo, Ryusuke

WEKO 93323

Sudo, Ryusuke

Search repository
Fukuda, Nobuto

× Fukuda, Nobuto

WEKO 93324

Fukuda, Nobuto

Search repository
Aoyama, Jun

× Aoyama, Jun

WEKO 93325

Aoyama, Jun

Search repository
Tsukamoto, Katsumi

× Tsukamoto, Katsumi

WEKO 93326

Tsukamoto, Katsumi

Search repository
著者所属
著者所属 Faculty of Marine Science, Tokyo University of Marine Science and Technology
著者所属
著者所属 Atmosphere and Ocean Research Institute, The University of Tokyo
著者所属
著者所属 College of Bioresource Science, Nihon University
抄録
内容記述タイプ Abstract
内容記述 Effects of salinity-different habitats on growth rate, age and body size of Japanese eels at the silver-stage were investigated. Fish were sampled in one drainage system, that includes the brackish Hamana Lake and its inlet freshwater rivers, and were evaluated using otolith strontium:calcium (Sr : Ca) analysis to determine whether the eels had been living in estuarine or freshwater habitats. The growth rate of estuarine eels was found to be significantly higher than that of river eels for both females and males. In male silver eels, there was no difference in age between estuarine and river eels, but the total length and body mass (BM) of estuarine eels were significantly larger than river eels. In female silver eels, the age of river eels was significantly older than those of estuarine eels and the BM of river eels was significantly greater than in estuarine eels. These results indicate that effects of habitat use and salinity differences on age and body size at the silver-stage were different between female and male eels in this system.
書誌情報 Coastal marine science

巻 36, 号 1, p. 13-18, 発行日 2013-12
ISSN
収録物識別子タイプ ISSN
収録物識別子 13493000
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11957899
出版者
出版者 International Coastal Research Center, Atmosphere and Ocean Research Institute, the University of Tokyo
出版者別名
東京大学大気海洋研究所国際沿岸海洋研究センター
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