Water Quality and Trophic State of Sarısu-Mamuca Pond Eskişehir

Yıl 2007, Cilt: 13 Sayı: 04, 385 - 390, 01.11.2007

Nilsun Demir Mine U. Kırkağaç Akasya Topçu Özge Zencir Serap Pulatsü Çağlan Karasu Benli

Öz

In this study, some water quality parameters, chlorophyll a, phytoplankton abundance, composition and zooplankton abundance were investigated to determine the trophic state of the recreational pond of Sarısu over a period of six months. The trophic state of the pond was determined as mesoeutrophic-eutrophic with respect to water quality parameters. These parameters were discussed according to the Turkish Environmental Law. A total of 31 species belonging to Bacillariophyceae, Chlorophyceae, Chrysophyceae, Cryptophyceae, Cyanophyceae and Dinophyceae was identified during the study period. Phytoplankton numbers changed between 495000 and 12808000 cells/l while chlorophyll a concentration varied between 1,12 and 13,2 mg/m3. Rotifera species was dominant in the zooplankton composition. Results are pointed out a rapid eutrophication in the pond and because of this nutrient increase must be controlled

Anahtar Kelimeler

Water quality, trophic state, phytoplankton, chlorophyll, zooplankton

Sarısu-Mamuca Göleti Eskişehir Su Kalitesi ve Besin Düzeyi

Öz

Bu çalışmada rekreaktif amaçlı kullanılan Sarısu Göleti’nin mevcut besin düzeyinin belirlenmesi amacı ile bazı su kalite parametreleri, klorofil a, fitoplankton kompozisyonu ve sayısı ile zooplankton bolluğu altı ay boyunca incelenmiştir. Su kalite parametrelerine göre gölün besin düzeyi mezoötrofik-ötrofik olarak belirlenmiştir. Söz konusu parametreler Türk Çevre Mevzuatı’na göre tartışılmıştır. Araştırma süresince Bacillariophyceae, Chlorophyceae, Chrysophyceae, Cryptophyceae, Cyanophyceae ve Dinophyceae sınıflarından toplam 31 fitoplankton türü teşhis edilmiştir. Fitoplankton sayısı 495000 hücre/l ile 12808000 hücre/l, klorofil a derişimi ise 1,12 ile 13,2 mg/m3 arasında değişmiştir. Gölette zooplankton kompozisyonu içinde Rotifera baskın olmuştur. Sonuçlar, gölette hızlı bir ötrofikasyonu işaret etmiştir ve bu nedenle besin maddesi artışı kontrol edilmelidir

Anahtar Kelimeler

Su Kalitesi, besin düzeyi, fitoplankton, klorofil, zooplankton

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