WEKO3
アイテム
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Bioaccumulation and metabolism of PCBs and DDE in Short-tailed Shearwater Puffinus tenuirostris during its transequatorial migration and in the wintering and breeding grounds
https://nipr.repo.nii.ac.jp/records/1917
https://nipr.repo.nii.ac.jp/records/191703435dbf-50b5-4d5b-86c2-b02995d15b70
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000013062.pdf (1.2 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 1986-02-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Bioaccumulation and metabolism of PCBs and DDE in Short-tailed Shearwater Puffinus tenuirostris during its transequatorial migration and in the wintering and breeding grounds | |||||
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 | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Tanaka,Hiroyuki
× Tanaka,Hiroyuki× Ogi,Haruo× Tanabe,Shinsuke× Tatsukawa,Ryo× Oka,Nariko |
|||||
著者所属(英) | ||||||
en | ||||||
Research Institute of North Pacific Fisheries, Faculty of Fisheries, Hokkaido University/Research Institute of North Pacific Fisheries, Faculty of Fisheries, Hokkaido University/Department of Environment Conservation, Faculty of Agriculture, Ehime University/Department of Environment Conservation, Faculty of Agriculture, Ehime University/Yamashina Institute for Ornithology | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | PCBs and p, p'-DDE in Short-tailed Shearwater (Puffinus tenuirostris) from Tasmania, Japan and the northern North Pacific were measured. The mean concentrations of PCBs and p, p'-DDE found in the bind from Tasmania were 14 and 20ng/g in chicks and 150 and 89ng/g in adults respectively, on wet weight basis. The values of both the chemicals were found to be lower in chicks than in adults, and the degree of disparity in chemical levels between chicks and adults is greater in PCBs than in p, p'-DDE. Reflecting this, the DDE/PCB ratios were higher in chicks (1.3) than in adults (0.60). This is likely due to the greater accumulation of PCBs during the period of stay in the northern North Pacific feeding ground than in the southern South Pacific ones. The shearwaters from Japan and the northern North Pacific seem to be post-fledgling or yearlings, since their DDE/PCB ratios (1.1 and 1.2) were found to be nearly the same as those in chicks (1.3) from Tasmania. It is known that two types of metabolic enzymes (PB and MC type) are mainly associated with the PCB metabolism in higher animals. When compared the PCB compositions in the shearwaters from Japan and Tasmania, some members of PCBs metabolized mainly by the MC type enzyme systems were found to decrease or disappear in the bird from Japan, indicating that the activity of the MC type enzyme systems in the shearwater increased more than that of the PB type enzyme systems during the transequatorial migration of the bird. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 40, p. 434-442, 発行日 1986-02 |