EPILITHIC DIATOM-BASED ECOLOGICAL ASSESSMENT IN TAŞMANLI POND (SINOP, TURKEY)
Abstract
The common goal of
the Water Framework Directive (WFD) published by The European Parliament and
European Council and the Regulation on the Management of Surface Water Quality
Directive (RMSWQ) published by the Republic of Turkey, Ministry of Forestry and
Water Affairs, is to provide all water bodies to achieve a fine ecological
status. These directives require the use of relevant biological quality
elements and diatoms constitute an important group within these elements. The
use of diatom based indices for assessing ecological conditions in inland water
systems is increasing day by day. The current study was performed with the aim
of determination of the ecological status of the Taşmanlı Pond based on
epilithic diatoms, physico-chemical parameters and to estimate pond water
quality using diatom indices. For this purpose, epilithic diatom and water
samples were collected from 3 stations in the pond in monthly intervals from
March 2008 to March 2009. The identifications of the sampled revealed presence
of a total of 46 taxa in the sampled stations. Achnanthidium minutissimum (Kützing) Czarnecki, Nitzschia acicularis (Kützing) W. Smith,
Navicula cincta (Ehrenberg) Ralfs in
Pritchard and Navicula cryptocephala
Kützing were the dominant taxa in all stations. According to Regulation on the
Management of Surface Water Quality directive, the pond water was classified as
III-IV quality class and trophic status changed from mesotrophic to eutrophic.
Significant correlation was determined between LTDI (Lake Trophic Diatom Index)
and EQR (Ecological Quality Ratio). The values of LTDI and EQR indicate that,
pond water has class III (poor, moderately polluted site) water quality.
Keywords
References
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Details
Primary Language
English
Subjects
Structural Biology
Journal Section
Research Article
Publication Date
March 30, 2018
Submission Date
September 22, 2017
Acceptance Date
March 21, 2018
Published in Issue
Year 1970 Volume: 19 Number: 1
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