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  1. 紀要論文
  2. 琉球大学理工学部紀要 理学編
  3. 15号
  1. 部局別インデックス
  2. 理学部

Observations of the Reproductive Cycle of Petrolisthes japonicas (de Haan) (Anomura: Porcellanidae)

http://hdl.handle.net/20.500.12000/23471
http://hdl.handle.net/20.500.12000/23471
ca752c90-04c0-4aa9-a5d2-daf494fd2e8b
名前 / ファイル ライセンス アクション
No15p127.pdf No15p127.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2012-02-28
タイトル
タイトル Observations of the Reproductive Cycle of Petrolisthes japonicas (de Haan) (Anomura: Porcellanidae)
言語 en
作成者 Nakasone, Yukio

× Nakasone, Yukio

en Nakasone, Yukio

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仲宗根, 幸男

× 仲宗根, 幸男

ja 仲宗根, 幸男

Search repository
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 The reproductive cycle of Petrolisthes japonicus (de Haan) was studied in Fukuoka during 1966-67. 1) The ovigerous females were found in the crab population from the end of May to the beginning of November. The reproductive season was approximately five months. 2) The females of the species produced three broods per year and the egg deposition occurred at every about six weeks during the reproductive season. The females had ova which will produce fourth brood, but their ova were not able to develop into eggs, probably because of low water temperature and were absorbed. 3) The start of maturity in the females occurred at about 4.1 mm in carapace length, although a single ovigerous female (3. 3mm) less than 1.1 mm was found in the samples. Ovigerous females ranged from 3.8 to 8.5 mm in carapace length and from 30 to 381 in the number of eggs. 4) The females of the species may incubate in a year after hatching.
内容記述
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学理工学部
出版者
言語 en
出版者 Science and Engineering Division, University of the Ryukyus
言語
言語 eng
資源タイプ
資源タイプ departmental bulletin paper
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 NA
出版タイプResource http://purl.org/coar/version/c_be7fb7dd8ff6fe43
識別子
識別子 http://hdl.handle.net/20.500.12000/23471
識別子タイプ HDL
収録物識別子
収録物識別子タイプ NCID
収録物識別子 AN0025080X
収録物名
言語 ja
収録物名 琉球大学理工学部紀要. 理学編
収録物名
言語 en
収録物名 Bulletin of Science & Engineering Division, University of Ryukyus. Mathematics & natural sciences
書誌情報
号 15, p. 127-135, 発行日 1972-03-01
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