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  Studies on the algae of a small softwater stream III. Interaction between discharge, sediment composition and diatom flora

Cox, E. J. (1990). Studies on the algae of a small softwater stream III. Interaction between discharge, sediment composition and diatom flora. Archiv für Hydrobiologie/Supplement (Monographische Beiträge), 83(4), 567-584.

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資料種別: 学術論文

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 作成者:
Cox, Eileen J.1, 著者           
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1Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976546              

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 要旨: Grain size analysis was carried out on dried sediments whose epipelic diatom floras had been previously investigated. Changes in the percentages of different particle fractions over a two year period were plotted and compared with changes in percentage abundance of different diatom genera, or groups of genera. Fluctuations in stream discharge were reflected in the relative proportions of coarser and finer sediment, and the relative stability of discharge in a spring region by a more constant, contrasting grain size distribution. Epipsammic and epilithic species were more abundant when the coarser sediment fraction was larger; epipelic Navicula and Nitzschia species increased on finer sediments. Different Navicula species showed contrasting occurence patterns. The role of sediments as nutrient traps is discussed and offered as an explanation of the presence of more eutrophic species of finer sediments. The activity of epipelic algae themselves also modifies the nature of the sediment, fostering more rapid accumulation of fine particles and contributing organic matter.

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言語: eng - English
 日付: 1990-06
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子(DOI, ISBNなど): eDoc: 241908
その他: 0776
 学位: -

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出版物 1

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出版物名: Archiv für Hydrobiologie/Supplement (Monographische Beiträge)
  出版物の別名 : Arch. Hydrobiol./Suppl. (Mon. Beitr.)
種別: 学術雑誌
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所属:
出版社, 出版地: -
ページ: - 巻号: 83 (4) 通巻号: - 開始・終了ページ: 567 - 584 識別子(ISBN, ISSN, DOIなど): ISSN: 03412881