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  • 标题:Data on abiotic (nutrients) and biotic (phytoplankton) quality elements in Fortuna ecologically reconstructed area (Danube Delta Biosphere Reserve - Romania)
  • 本地全文:下载
  • 作者:TÖRÖK Liliana ; TEODOROF Liliana
  • 期刊名称:Scientific Annals of the Danube Delta Institute
  • 印刷版ISSN:1842-614X
  • 电子版ISSN:2247-9902
  • 出版年度:2013
  • 卷号:19
  • 期号:21
  • 页码:117-126
  • 语种:English
  • 出版社:Institutul National de Cercetare-Dezvoltare Delta Dunarii
  • 摘要:The impact of inorganic nutrient enrichment on reophillic ecosystems has been observed and intensively studied in many rivers. Due to the scarcity of information on ecological conditions in the channel-network of the Danube Delta it is very important to have reliable information on the trend of the abiotic and biotic quality elements in the Danube River and channel system – in order to fulfill the Water Framework Directive objectives and to implement the rehabilitation projects in area affected by nutrient pollution. The purpose of this paper is to present, analyze and discuss the results of evaluation of nutrient variation and phytoplankton quantification obtained in Fortuna area - one of the seven reconstructed areas of the Danube Delta Biosphere Reserve. In order to improve the quality of data on phytoplankton biomass distribution from Fortuna area, in the summer of 2008 there has been used a submersible spectrofluorometer with automatic algae class determination and chlorophyll analysis (bbe Fluoro Probe). According to the results of analyses on relation between phytoplankton communities and water-column, the phytoplankton development in the channel network of the Fortuna reconstructed area seems to be influenced mainly by nitrogen concentration than by phosphorus concentration, as in case of phytoplankton development in Danube Delta’s lakes.
  • 关键词:nutrients;phytoplankton;reconstructed area;Danube Delta
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