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GEOCHEMICAL MONITORING OF ANTARCTIC LAKES AND THEIR ECOSYSTEMS (15th Symposium on Polar Biology)
https://doi.org/10.15094/00005225
https://doi.org/10.15094/000052252ac765bf-2f2a-4b70-bf99-7154b054a82b
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000767568 (1.6 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1994-01-01 | |||||
タイトル | ||||||
タイトル | GEOCHEMICAL MONITORING OF ANTARCTIC LAKES AND THEIR ECOSYSTEMS (15th 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 | 10.15094/00005225 | |||||
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 | GEOCHEMICAL MONITORING OF ANTARCTIC LAKES AND THEIR ECOSYSTEMS (15th Symposium on Polar Biology) | |||||
著者名よみ |
マツモト, ゲンキ
× マツモト, ゲンキ |
|||||
著者名(英) |
MATSUMOTO, Genki I.
× MATSUMOTO, Genki I. |
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著者所属(英) | ||||||
en | ||||||
Department of Environmental Information Science, School of Social Information Studies, Otsuma Women's University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The monitoring of climatic changes, water quality, human activity, biomass, biological composition and biological activity in Antarctic lakes and their ecosystems is discussed from a geochemical viewpoint. The changes in lake water levels, ice thickness and the periods of total melting and freezing of lake ice probably reflect climatic changes at the lake sites. Temperature, electric conductivity, pH, dissolved oxygen and redox potential in lake waters could be monitored continuously. Total organic carbon and petroleum-derived hydrocarbons (such as gasoline, diesel fuels and lubricating oils) could be reflecting human activity in Antarctic lakes near research stations. Chlorophyll-a and/or fatty acid concentrations in lake waters may be useful as markers of biomass. Direct microbial observation by naked eye and/or microscope, culture of organisms, and measurement of biomarkers such as hydrocarbons, fatty acids and sterols are important to monitor biological composition in the lake. Also, 16S rRNA profile may be a useful marker of biological composition. Uptake of ^<14>C labeled compounds and/or DNA synthesis probably reflect biological activity. Normal alkenoic acid/n-alkanoic acid ratios may reflect the degree of degradation of organic matter in the lake. Trans/cis-C_<16:1> alkenoic acid ratios could be used as a starvation or stress lipid index in natural environments. | |||||
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 7, p. 158-172, 発行日 1994-01 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |