EPILITHIC DIATOM-BASED ECOLOGICAL ASSESSMENT IN TAŞMANLI POND (SINOP, TURKEY)

Yıl 2018, , 71 - 76, 30.03.2018

Fatih Gümüş , Arif Gönülol

https://doi.org/10.23902/trkjnat.339417

Cited By: 3

Öz

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.

Anahtar Kelimeler

Epilithic, Diatom, LTDI, EQR, Pond, Taşmanlı, Sinop, Turkey

EPILITHIC DIATOM-BASED ECOLOGICAL ASSESSMENT IN TAŞMANLI POND (SINOP, TURKEY)

Öz

Avrupa
Parlementosu ve Avrupa Birliği tarafından yayınlanan Su Çerçeve Direktifi (WFD)
ve Türkiye’de “Orman ve Su İşleri Bakanlığı, Su Yönetimi Genel Müdürlüğü”
tarafından yayınlanan “Yüzey Suları Su Kalite Yönetmeliği”nin ortak hedefi, tüm
su kütlelerinin iyi bir ekolojik statüye ulaşmasıdır. Bu yönetmelikler, amaca
uygun biyolojik kalite öğelerini kullanmayı gerektirmektedir ve diyatomeler bu
öğeler içerisinde oldukça önemli bir grubu oluşturmaktadır. Diyatome temelli
indislerin içsu kütlelerinde ekolojik parametrelerin belirlenmesi amacı ile
kullanımı günden güne artış göstermektedir. Bu çalışmada, Taşmanlı Göleti’nin
ekolojik durumunun değerlendirilmesinde epilitik diyatomelerin, fizikokimyasal
parametrelerin ve diyatome indislerinin ekolojik kalitenin belirlenmesinde, bir
araç olarak test edilmesi amaçlanmıştır. Bu nedenle, Mart 2008 - Mart 2009
tarihleri arasında göletten alınan diyatome ve su örnekleri analizleri
sonucunda, toplam 46 takson gözlenmiştir. Bunlardan Achnanthidium minutissimum (Kützing) Czarnecki, Nitzschia acicularis (Kützing) W.Smith.,
Navicula cincta (Ehrenberg.) Ralfs in
Pritchard, Navicula cryptocephala
Kützing tüm istasyonlardaki baskın türlerdir. Yapılan fizikokimyasal testler
sonucu gölet suyu “Yüzeysel Su Kalitesi Yönetmeliği” ne göre III-IV kalite
sınıfı olarak sınıflandırılmış ve trofik durumu mezotrofiden ötrofiye doğru
değişmiştir. LTDI (Göl Trofik Diatom İndeksi) ve EQR (Ekolojik Kalite Oranı)
değerleri gölet suyunun sınıf III (tamamen kirli alan) su kalitesine sahip
olduğunu göstermektedir.

Anahtar Kelimeler

Epilithic, Diatom, LTDI, EQR, Pond, Taşmanlı, Sinop, Turkey

Kaynakça

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