Alien Bivalve Species Found on the Mussel (Mytilus galloprovincialis and Mytilaster minimus) Beds in Izmir Bay

Yıl 2016, Cilt: 6 Sayı: 3, 143 - 151, 30.09.2016

Alper Doğan

Öz

The present study is aimed to determine alien bivalve species on the mussel beds (Mytilus
galloprovincialis and Mytilaster minimus) inhabiting the medio-littoral zone of four stations located in Izmir Bay
(Aegean Sea). Samplings were performed in November 2014 and as a result, a total of 8200 specimens belonging
to 11 bivalvian species were encountered. Of the species determined, Anadara transversa, Arcuatula senhousia,
Brachidontes pharaonis and Pinctada radiata were alien ones represented with 122 individuals. Among the alien
bivalves, A. transversa that comprised juvenile specimens was the most dominant species with a sum of 65 individuals
and B. pharaonis had the highest biomass value (12.94 gr in total) in the area

Anahtar Kelimeler

Alien species, Bivalvia, Izmir Bay, mussel bed

İzmir Körfezi Midye (Mytilus galloprovincialis ve Mytilaster minimus) Yataklarında Saptanan Yabancı Bivalv Türleri

Öz

Bu çalışmada, İzmir Körfezi’nde medio-littoral zonda seçilen 4 istasyonda, midye yataklarında dağılım
gösteren yabancı Bivalvia türlerinin tespit edilmesi amaçlamıştır. 2014 yılı Kasım ayında alınan örneklerin
değerlendirilmesi sonucunda 11 bivalv türü ve bu türlere ait toplam 8200 birey saptanmıştır. Tespit edilen bivalvlerden
Anadara transversa, Arcuatula senhousia, Brachidontes pharaonis ve Pinctada radiata yabancı türler olup,
araştırmada bu türlerin toplam 122 bireyine rastlanmıştır. Örneklerde juvenil bireyler ile temsil edilen A. transversa,
toplamda 65 birey ile en baskın yabancı tür olarak belirlenirken, B. pharaonis ise toplam 12.94 gr ile en yüksek
biyomas değerine sahip yabancı tür olmuştur.

Anahtar Kelimeler

Bivalvia, İzmir Körfezi, midye yatağı, yabancı tür

Kaynakça

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