The Determination of Body Size and Eggs Number of Zooplankton (Rotifera, Cladocera and Copepoda) in Tahtaköprü Dam Lake (Gaziantep, Turkey)

Abstract

The study was carried out in Tahtaköprü Dam Lake between March 2007 and February 2008 period. Rotifera, Cladocera, Copepoda body size and number of eggs were analyzed on monthly basis. It was found that mean annual body size of Rotifera, Cladocera, Copepoda species were high in cold winter season and low in autumn with relatively high temperature. Rotifera species had the highest number of eggs in February (1.79 ± 1.030), while it had the lowest number of eggs in December (1 ± 0). Cladocera species had the highest number of eggs in warm summer months (August, 2.09 ± 1.014) and the lowest number of eggs in cold winter months (February, 1.20 ± 0). Finally, Copepoda species had the highest number of eggs in August (80.67 ± 1.154) and the lowest number of eggs in October (14.75 ± 3.594)

Keywords

• Rotifera
• Cladocera
• Copepoda
• body size
• egg amount
• inland water

Tahtaköprü Baraj Gölü'nde (Gaziantep, Türkiye) Zooplanktonun (Rotifera, Kladosera ve Kopepoda) Vücut Büyüklüğü ve Yumurta Miktarının Belirlenmesi

Öz

Çalışma, Tahtaköprü Baraj Gölü’nde Mart 2007-Şubat 2008 tarihleri arasında yürütülmüştür. Çalışmada rotifer, kladoser ve kopepod boy uzunluğu ve yumurta sayısı aylık olarak araştırılmıştır. Rotifer, kladoser ve kopepod türlerinin yıllık ortalama boy uzunluğunun soğuk kış mevsiminde yüksek, sıcaklığın kısmen yüksek olduğu sonbaharda ise düşük olduğu belirlenmiştir. Rotifer türlerinin yumurta miktarları en çok şubat ayında (1,79±1,030 adet), en az aralık ayında (1±0 adet) belirlenmiştir. Kladoser yumurta miktarları sıcak yaz aylarında çok (ağustos, 2,09±1,014 adet), soğuk kış aylarında ise az miktarda (şubat, 1,20±0 adet) olduğu tespit edilmiştir. Kopepod yumurta miktarı aralık ayında en çok (80,67±1,154 adet), ekim ayında ise en az (14,75±3,594 adet) olduğu tespit edilmiştir.

Anahtar Kelimeler

• Rotifera
• Cladocera
• Copepoda
• vücut uzunluğu
• yumurta miktarı
• içsular

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