Shoreline algal wash as a factor in reed decline in Lake Constance-Untersee

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Ostendorp_Shoreline_algal_wash.pdf
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1992
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This paper assesses the chemical and mechanical impact of algal wash (Cladophora, Spirogyra, Chara) upon the lakeside reed belt (Phragmites australis) using field mapping methods, bioassays with Scenedesmus acutus in batch culture, and field experiments. Heavy mats of filamentous algae are correlated with a reduction in number of the outermost reed stalks. The water pressed from decaying heaps of Cladophora and Spirogyra reduced the growth rate of Sceredesmus significantly, but mats from Chara did not. It is assumed that the toxic substance is an organic compound. In field experiments the detrimental effect could not be clearly evidenced. The reasons for this are discussed. It is concluded that mechanical impact is of major importance.

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570 Biowissenschaften, Biologie
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Phragmites, Cladophora, Lake Constance, algal wash, reed decline
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ISO 690OSTENDORP, Wolfgang, 1992. Shoreline algal wash as a factor in reed decline in Lake Constance-Untersee. In: Hydrobiologia. 1992, 242(3), pp. 165-174. ISSN 0018-8158. eISSN 1573-5117. Available under: doi: 10.1007/BF00019965
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@article{Ostendorp1992Shore-7555,
  year={1992},
  doi={10.1007/BF00019965},
  title={Shoreline algal wash as a factor in reed decline in Lake Constance-Untersee},
  number={3},
  volume={242},
  issn={0018-8158},
  journal={Hydrobiologia},
  pages={165--174},
  author={Ostendorp, Wolfgang}
}
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