Sakarya Havzası Kirmir Çayı’nın Bentik Makroomurgasız Faunası Üzerine Organik Kirliğin Etkisi

Kirmir Çayı Türkiye’nin Orta Anadolu Bölgesinin en önemli nehirlerinden biri olan Sakarya Nehri’nin bir koludur. Kirlilik dünya üzerindeki hemen hemen her su kaynağını etkisi altına almıştır. Yalnızca Su kaynaklarının kirlenme yüzdesi farklılıdır. Evsel ve gıda endüstrüsü atıkları gibi organik kökenli atıklar arıtma yapılmaksızın Kirmir Çayı’na bırakılmaktadır. Bu çalışmada, Kirmir çayının makroomurgasızlarının kalitatif ve kantitatif özellikleri ve mevsimsel dağılımları incelenmiştir. Bu amaçla, bir yıl süreyle aylık su ve sediment örnekleri almak için üç farklı istasyon seçilmiştir. Kirmir Çayı’nın bentik faunasının 13 hayvan grubundan oluştuğu saptanmıştır. Bunların biyomas miktarları tesbit edilmiştir. Grupların yüzdeleri, istasyon 1’de %58,32±21.69% Tubificidae, % 17.69±13.82 Physidae, % 14.35±20.85 Chironomidae ve % 9,64 diğer; istasyon 2’de % 56.37±33.00 Tubificidae, % 15.79±27.88 Libellulidae, % 9.29±18.44 Physidae, % 18,55 diğer; istasyon 3’de % 98.23±4.07 Unionidae, % 1,77 diğer olarak belirtilmiştir. Kirliliğe dayanıklı bu hayvanlar Kirmir Çayı’nın organik kirlilik etkisi altında olduğunu göstermiştir.

Anahtar Kelimeler:

Makroinvertebrata, bentik fauna, Kirmir Çayı, organik kirlilik

THE EFFECT OF ORGANIC POLLUTION ON BENTHIC MACROINVERTEBRATE FAUNA IN THE KIRMIR CREEK IN THE SAKARYA BASIN

Kirmir Creek is an arm of Sakarya River which is one of the important rivers in the Middle Anatolia Region in Turkey. Pollution takes effects almost every waterbody on the Earth. Only differs pollution percentage of water sources. Organically originated wastes such as domesticated discharges and wastes from food industries release to the Kirmir Creek without treatment. In this study, the qualitative and quantitative properties and seasonal distribution of the macroinvertebrates of Kirmir Creek were investigated. For this purpose, 3 different stations were selected to take sediment and water samples monthly in one year. Sediment was exampled by Ekman sampler The benthic fauna of the Kirmir Creek was detected consisting of 13 animal groups. They were observed as biomass. Percentages of the groups were indicated as 58,32±21.69% Tubificidae, 17.69±13.82% Physidae, 14.35±20.85% Chironomidae, and 9,64% others in the station 1; 56.37±33.00% Tubificidae, 15.79±27.88% Libellulidae, 9.29±18.44% Physidae, and 18,55% others in the station 2; 98.23±4.07% Unionidae, 1,77±0,35% Libellulidae and others98.23±4.07 in the station 3. These animals tolerant to pollution showed that the Kirmir Creek was under the impact of organic pollution. Key Words: Macroinvertebrate, benthic fauna, Kirmir Creek, organic pollution.

Keywords:

Macroinvertebrate, benthic fauna, Kirmir Creek, organic pollution,

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Anonymous, 2008, http://www.sussex
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Geliş Tarihi:28.12.2007
Kabul Tarihi:20.04.2008