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RNA content of the Antarctic krill (Euphausia superba DANA), an estimator of natural growth rate
https://doi.org/10.15094/00005046
https://doi.org/10.15094/00005046d71cd096-79a7-45d9-8cd3-28780b3a0b46
名前 / ファイル | ライセンス | アクション |
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KJ00000036814 (1.4 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1989-09-01 | |||||
タイトル | ||||||
タイトル | RNA content of the Antarctic krill (Euphausia superba DANA), an estimator of natural growth rate | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00005046 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Ikeda, Tsutomu
× Ikeda, Tsutomu |
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著者所属(英) | ||||||
en | ||||||
Japan Sea Regional Fisheries Research Laboratory | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The ribonucleic acid (RNA) content of the krill was measured on specimens collected during the KAIYO-MARU cruise to the Wilkes Land, Antactica, January 1980. Of 41 specimens analysed, the RNA content varied from 2.5 to 8.2% of body protein (mean: 5.1%). A higher RNA content was seen in smaller specimens, and the relationship was log Y=-0.34logX+1.27, where Yis the RNA content as percent of protein, and X is the body size as mg protein. Combining this equation with the RNA-growth rate equation of BÅMSTEDT and SKJOLDAL (Limnol. Oceanogr., 25, 304,1980), the growth rate of the krill was estimated to be 0.17-0.19 mm day^<-1> for specimens greater than 30 mm body length. Assuming a favorable feeding period of 6 months in a year for this animal, post-larvae could grow to the final size adults in 201 days. Validity of these results depends on the RNA-growth rate equation. In the light of possible species-specific variation in the RNA-growth rate relationship, this relationship needs to be established for the Antarctic krill in future laboratory experiments. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10819561 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Polar Biology 巻 2, p. 26-33, 発行日 1989-09 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |