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  1. 紀要論文
  2. 琉球大学教育学部紀要
  3. 26号
  1. 部局別インデックス
  2. 教育学部

オキナワハクセンシオマネキの日周活動と有機窒素摂取量

http://hdl.handle.net/20.500.12000/8867
http://hdl.handle.net/20.500.12000/8867
3100e9e5-4ba1-4b1d-b7a2-b3b50702daaf
名前 / ファイル ライセンス アクション
No26-2p55.pdf No26-2p55.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2009-01-21
タイトル
タイトル オキナワハクセンシオマネキの日周活動と有機窒素摂取量
言語 ja
作成者 仲宗根, 幸男

× 仲宗根, 幸男

ja 仲宗根, 幸男

川, 和代

× 川, 和代

ja 川, 和代

Nakasone, Yukio

× Nakasone, Yukio

en Nakasone, Yukio

Kawa, Kazuyo

× Kawa, Kazuyo

en Kawa, Kazuyo

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 Investigations on the daily activity and ingestion amount of organic nitrogen of Uca lactea perplexa were made in the estuary of the Okukubi river, Okinawa Island, from May 1980 to January 1981. In September the crabs started activity after four to twelve minutes from the recession of the tide, while in December they began activity after about two hours. This may be due to a difference in soil or air temperatures between September and December. Active time of individuals outside burrow between emergence from burrow and subsequent descent into the burrow was on an average about three minutes in summer and about five minutes in winter. This may be related to differences in soil moisture and the rate of evaporation from the crabs' body between summer and winter. There was a correlation between organic nitrogen content and the amount of fine particles (∠O.063mm) in surface soil. Lower level (D) of habitat contained more organic nitrogen and fine particles than in upper level (A). Number of sand pellets produced by the crabs per unit time tended to decrease as their carapace width increases. Number of sand pellets produced by the crabs in the quadrat A was estimated and it was on an average 672 pellets per individual per active day. Ingestion amount of organic nitrogen was estimated using the degree of rejecting coarser particles (A=O.9583) given by Ono (1965) (Table 4).
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 琉球大学教育学部
言語
言語 jpn
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 VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/8867
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0386-5746
収録物識別子タイプ NCID
収録物識別子 AN00250446
収録物名
言語 ja
収録物名 琉球大学教育学部紀要 第二部
書誌情報
号 26, p. 55-64
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