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  1. 学術雑誌論文
  2. Fauna Ryukyuana
  3. 31巻
  1. 部局別インデックス
  2. その他

八重山海域における沿岸性魚類の種別漁獲量の推定

http://hdl.handle.net/20.500.12000/38786
http://hdl.handle.net/20.500.12000/38786
6dc6140d-49fd-48f5-a565-cebe4077e3a1
名前 / ファイル ライセンス アクション
FR31-2_Akita_etal.pdf FR31-2_Akita_etal.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2018-03-16
タイトル
タイトル 八重山海域における沿岸性魚類の種別漁獲量の推定
言語 ja
作成者 秋田, 雄一

× 秋田, 雄一

ja 秋田, 雄一

太田, 格

× 太田, 格

ja 太田, 格

海老沢, 明彦

× 海老沢, 明彦

ja 海老沢, 明彦

上原, 匡人

× 上原, 匡人

ja 上原, 匡人

Akita, Yuichi

× Akita, Yuichi

en Akita, Yuichi

Ohta, Itaru

× Ohta, Itaru

en Ohta, Itaru

Ebisawa, Akihiko

× Ebisawa, Akihiko

en Ebisawa, Akihiko

Uehara, Masato

× Uehara, Masato

en Uehara, Masato

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
内容記述
内容記述タイプ Other
内容記述 Fisheries catch data is fundamental information for fisheries management. Although such data are generally not well recorded for the coral reef fisheries in tropical and subtropical regions, Okinawa Prefecture has compiled statistics of the catch data of 24 fish markets. These data are, however, recorded by local fish names, which do not always correspond to scientific names and often include more than two species. The present study investigated accurate species and their body length compositions to calculate compensation formulas that allow the estimation of species-specific coastal fish catches of the Yaeyama Islands from the catch data recoded by local names. Species-specific data were collected at two main markets (Yaeyama Fishery Cooperative, Ishigaki and Tomari Fish Market, Okinawa) from 2011 to 2014. As a result, the two main markets dealt with 247 species belonging to 28 families, of which 6 species may have not been officially recorded from Japan before. Of these fishes, annual catches were estimated for 211 species that represent 99.7% of the total fish catch. The averaged catch weight of the top five species differed between the two markets.
内容記述タイプ Other
内容記述 沖縄県が県内各漁協から提供を受けている漁獲量データは, 地域名をもとにした 「セリ名称」 ごとに集計されており, セリ名称と和名が対応しない魚種については, そのままでは個々の魚種の漁獲量を把握することができない. そのため本研究では, 2011–2014年に八重山漁協と泊魚市において八重山海域で漁獲された沿岸性魚類の体長組成および種構成を調査し, 種別の漁獲量を推定した. その結果, 両市場を合わせて沿岸性魚類28科247種を記録し, 総漁獲量の99.7%にあたる211種について漁獲量を推定した. 水揚げが記録された魚種の中には, 日本国内での正式な記録がなく, 和名が与えられていないと考えられるハタ科の一種Cephalopholis cyanostigma, イサキ科の一種Diagramma melanacrum, フエフキダイ科の一種Monotaxis heterodon, ブダイ科の一種Chlorurus capistratoides, アイゴ科の一種, Siganus sp.ヒメジ科の一種Parupeneus sp.の6種が含まれていた. 漁獲量が多かった種について, 市場別の推定漁獲量を比較すると, 両市場では構成順位が異なっていた.また, 漁獲量が多い3セリ名称について, 各セリ名称を構成する種の構成比を八重山漁協と泊魚市で比較したところ, 漁獲物によって出荷される市場に偏りがあることが明らかになった. このことから, 八重山海域の魚種別漁獲量の把握には, 八重山漁協だけでなく泊魚市での体長組成データの蓄積が重要であることが確認された.
内容記述タイプ Other
内容記述 論文
出版者
言語 ja
出版者 琉球大学資料館 (風樹館)
言語
言語 jpn
資源タイプ
資源タイプ journal article
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/38786
識別子タイプ HDL
関連情報
関連識別子
識別子タイプ URI
関連識別子 http://w3.u-ryukyu.ac.jp/naruse/lab/Fauna_Ryukyuana.html
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 2187-6657
収録物名
言語 en
収録物名 Fauna Ryukyuana
書誌情報
巻 31, p. 13-27
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