Actual Situation of Meriç River’s Fish Fauna and Assessment of Possible Impacts of Alien Species on Native Species

Abstract

In this study, the current status of the fish fauna of the Meriç River which spread into the territory of Turkey, Bulgaria, and Greece has been evaluated. In the study, exotic fish species’ possible spread to Turkey and their probable effectson Turkey’s local fish fauna species have been evaluated by a review of previous studies. A total of 71 fish species have been reported from the Meric River, which is located in South Eastern Europe and is pouring into the Aegean Sea up to the present. Among them, 42 species were native, and 20 species were exotic. It was stated that the situations of 9 species in the river system were suspicious.

Keywords

• Meriç River,invasive fish,Turkey,Bulgaria,Greece

Meriç Nehri Balık Faunasının Güncel Durumu ve Yabancı Türlerin Yerli Türler Üzerindeki Olası Etkilerinin Değerlendirilmesi

Öz

Bu çalışmada, suları Türkiye, Bulgaristan ve Yunanistan topraklarına yayılmış olan Meriç Nehri’nin sahip olduğu güncel balık faunasının bir değerlendirilmesi yapılmıştır. Çalışmada yabancı balık türlerinin, Türkiye'ye olası yayılımları ve bu durumda türlerin yerel balık faunasına olası etkileri, yapılmış önceki çalışmaların incelenmesi yolu ile değerlendirilmiştir. Avrupa’nın güneydoğusunda bulunan ve Ege Denizi’ne dökülmekte olan Meriç Nehri’nden günümüze dek 71 balık türü bildirilmiştir. Türlerin 42’i nehir sistemi için yerli türler iken, 20’si ise yabancı türlerdir. Nehir sistemindeki 9 türün ise durumunun şüpheli olduğu ifade edilmektedir.

Anahtar Kelimeler

• Meriç Nehri,istilacı balık,Türkiye,Bulgaristan,Yunanistan

Kaynakça

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