Güney Doğu Karadeniz Kıyıları Pigmente Dayalı Fitoplankton Boy Gruplarının Dağılımı

Year 2021, Volume: 2 Issue: 1, 25 - 42, 29.06.2021

Ertuğrul Ağırbaş , Pınar Türkmen

https://doi.org/10.53501/rteufemud.917529

Abstract

Kasım 2014-Ağustos 2015 tarihleri arasında Güney Doğu Karadeniz kıyılarında (Artvin-Giresun) yürütülen bu çalışmada, belirteç pigment kompozisyonu ve fitoplankton boy gruplarının alansal ve zamansal değişimleri araştırılmıştır. Araştırmada 12 farklı istasyonda yüzeyden itibaren 10 m aralıklarla 40 m derinliğe kadar mevsimsel örneklemeler yapılmıştır. HPLC analizleri sonucunda fitoplankton boy gruplarının toplam fitoplankton biyokütlesine yaptığı katkı pikoplankton, nanoplankton ve mikroplankton için sırası ile %1-71; %1-92 ve %8-93 arasında değişim göstermiştir. Mevsimsel olarak bir değerlendirme yapıldığında kış ve ilkbahar döneminde bariz bir şekilde yüksek olan mikroplankton katkı oranlarının yaz mevsiminde azalarak yerini pikoplanktona bıraktığı ve sonbahar mevsiminde ise tekrar artış gösterdiği tespit edilmiştir. Bölgede en fazla katkı yapan ikinci grup nanoplankton olurken özellikle klorofil maksimumun olduğu derinliklerde en yüksek katkı oranına ulaşmıştır. Çalışma bölgesinde klorofil-a baskın pigment olurken öne çıkan diğer pigmentler peridinin, fukoksantin ve 19’-heksanoloksifukoksantin olmuştur.

Keywords

Fitoplankton, HPLC, Karadeniz, Pigment

Supporting Institution

TÜBİTAK

Project Number

113Y189

Thanks

Bu çalışma TÜBİTAK 113Y189 nolu proje ile desteklenmiştir. Deniz çalışmaları esnasında yardımlarından dolayı proje ekibine, “R/V SÜRAT ARAŞTIRMA I” gemisi kaptan ve gemi adamlarına teşekkür ederiz. [*] Bu Çalışma Recep Tayyip Erdoğan Üniversitesi Fen Bilimleri Enstitüsü Su Ürünleri Anabilim Dalı’nda Yüksek Lisans Tez Çalışması Olarak Sunulan “Güneydoğu Karadeniz Kıyıları (Artvin-Giresun) Pigment Kompozisyonun Mevsimsel Değişimi” İsimli Tezden Üretilmiştir.

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