文章基本信息

标题：Zooplankton Communities as Bioindicators in Zaghen Restored Wetland, Danube Delta Biosphere Reserve
本地全文：下载
作者：SULIMAN Iasemin ; SULIMAN Iasemin ; IBRAM Orhan 等
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：2019
卷号：24
期号：29
页码：99-108
DOI：10.7427/DDI.24.11
语种：English
出版社：Institutul National de Cercetare-Dezvoltare Delta Dunarii
摘要：Eutrophication is a process characterized by an increase in the aquatic system productivity,which causes profound changes in the structure of its communities. Owing to the high environmental sensitivity of planktonic species, the study of their communities can indicate the deterioration of the environment.Zaghen was the most clogged sector of the Danube meadow,North of Tulcea Hills, which included many fluvial levees, former riverbeds, reedbeds , swamps, lakes, and channels. Since the beginning of the century, the Zaghen area has been mentioned as a marsh not connected with the Danube, flooded only at high water levels, over the time has been affected by several forms of continuous human interference. Here we analyze some properties of the zooplankton community as bioindicators of eutrophication and water quality change. Water was collected for analysis and quantitative zooplankton samples were taken at four sites during June to December 2017. Species were identified and their numerical abundances and biomasses were determined and used to estimate some biological indices like Brachionus species diversity, the ratio large Cladocera to total numbers of Cladocera , the ratio of crustacean zooplankton biomass to phytoplankton biomass - chlorophyll "a", and the Calanoida/Cyclopoida ratio.
关键词：zooplankton;trophic state;bioindicators species