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AGE AND SIZE TRENDS AND MALE-FEMALE DIFFERENCES OF PCBs AND DDE IN DALLI-TYPE DALL'S PORPOISES, PHOCOENOIDES DALLI OF NORTHWESTERN NORTH PACIFIC (Ninth Symposium on Polar Biology)
https://doi.org/10.15094/00005030
https://doi.org/10.15094/000050300b6c1cd7-fbb5-4243-976e-a31d2630e7c7
名前 / ファイル | ライセンス | アクション |
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KJ00000767406 (1.7 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1987-12-01 | |||||
タイトル | ||||||
タイトル | AGE AND SIZE TRENDS AND MALE-FEMALE DIFFERENCES OF PCBs AND DDE IN DALLI-TYPE DALL'S PORPOISES, PHOCOENOIDES DALLI OF NORTHWESTERN NORTH PACIFIC (Ninth Symposium on Polar Biology) | |||||
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 | 10.15094/00005030 | |||||
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) | |||||
記事種別(英) | ||||||
en | ||||||
Proceeding | ||||||
論文名よみ | ||||||
その他のタイトル | AGE AND SIZE TRENDS AND MALE-FEMALE DIFFERENCES OF PCBs AND DDE IN DALLI-TYPE DALL'S PORPOISES, PHOCOENOIDES DALLI OF NORTHWESTERN NORTH PACIFIC (Ninth Symposium on Polar Biology) | |||||
著者名よみ |
/ タナベ, シンスケ
× / タナベ, シンスケ× タツカワ, リョウ |
|||||
著者名(英) |
SUBRAMANIAN, An.
× SUBRAMANIAN, An.× TANABE, Shinsuke× TATSUKAWA, Ryo |
|||||
著者所属(英) | ||||||
en | ||||||
Department of Environment Conservation, Faculty of Agriculture, Ehime University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Environment Conservation, Faculty of Agriculture, Ehime University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Environment Conservation, Faculty of Agriculture, Ehime University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Adult and immature male and female, one newborn pup and a fetus of Dalli-type Ball's porpoises (Phocoenoides dalli) collected from northwestern North Pacific were analyzed for the PCB and DDE levels in their blubber. A wide difference existed in the levels of these chemicals between males and females. Concentrations of both the chemicals increased consistently with age in the bodies of males. On the other hand, there was a decrease with age in the levels of these compounds in females after about two years of age, possibly due to a lactational and parturitional transfer of these compounds. When comparing the concentrations of these compounds in the adult males and females of various marine mammals, the females had always less than 50% of the levels to those found in the respective males. These percentages were found to linearly decrease with increase in lactational period of the species indicating a prominent excretion via milk to calf rather than via placenta to fetus. By using the organochlorine data it seems to be possible that PCBs and DDE can be used as chemical tracers in determining some parturitional and lactational characteristics in marine mammals. | |||||
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 1, p. 205-216, 発行日 1987-12 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |