Investigation and study of algal flora (Bacillariophyta)in Gorigol Wetland)

  • سال انتشار: 1399
  • محل انتشار: بیست و یکمین کنگره ملی و نهمین کنگره بین المللی زیست شناسی ایران
  • کد COI اختصاصی: BIOCONF21_0900
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 103
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نویسندگان

Zhaleh Behrozi Baraghi

Tabriz - Tabriz University Natural Sciens Faculty plant physiology

Ehsan Atazadeh

Tabriz - Tabriz University Natural Sciens Faculty plant Ecology group

چکیده

Diatoms are one of the main component in our biometric studies in order to determine the ecological quality of water. They are the most important fundamental flora diatoms of freshwater ecosystems. Identification of diatomaceous flora and the precise study of their demographic changes in Ghorigol Wetland that is one of the most important area which is located in the Northwest of East Azerbaijan province. Sampling was done from July ۲۰۱۹ to April ۲۰۲۰, from ۵ stations. This region has real worth of biodiversity in terms of the sensitive environmental situation of the Urmia Lake and has a global important. In this study, ۱۱۲ species of diatoms were identified, which belonged to ۳۷ genera, ۲۰ dark Diatoms, ۱۳ ordered Diatoms and ۱ lined ( classified ) which belong to ۲ branches of (Bacillariophyta and Ochrophyta). To interpret the effect of different factors the cluster analysis was performed by using Canoco software and editing image was performed by using ACDsee software. There is a relationship between the temperature of environment , pH, BOD, EC and the variety and number of diatoms. Physicochemical factors such as TP, PH DO, EC, BOD, COD, and content of heavy metals as Fe and Cu affecting biodiversity and the number of diatom species in this lagoon. Despite the low amount of dissolved oxygen in the water of the lagoon area, its high fluoriatomic diversity is really important in all seasons, especially in spring and autumn. In order to evaluate the frequency better they try to use the counting method of Diatoms. Another important and significant point in this study is the lack of morphological change in their siliceous crust, which cause their deformation in the presence of any contamination, especially with heavy metals, which was not observed in any of the ۵ station samples.work, and conclusions drawn along with recommendations for further works. Using headings for abstract body text is not required.

کلیدواژه ها

Gorigol, Cluster Analysis, Physicochemical Changes

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