The Effect of Anthropogenic Activities on the Fish Fauna of the Devrez Stream (Turkiye)

Yıl 2023, Cilt: 19 Sayı: 1, 44 - 57, 01.03.2023

Ozlem Ablak Gurbuz

https://doi.org/10.22392/actaquatr.1167901

Cited By: 1

Öz

In this study, fish species diversity and protection criteria, habitat evaluation, and threat elements of the ichthyofauna of the Devrez Stream were examined monthly between April 2020 and March 2021. Eight fish taxa (7 natives, 1 non-native) belonging to four families (Cyprinidae, Gobionidae, Leuciscidae, Gobiidae) were identified. Chondrostoma angorense Elvira, 1987 (endemic) from the mentioned species was reported for the first time in the Devrez Stream. Squalius sp. (32.5%), Chondrostoma angorense (24.4%), Capoeta tinca (23.9%), and Alburnoides freyhofi (11.1%) were the most common and abundant species while Pseudorasbora parva (0.5%), Barbus anatolicus (1.2%), Alburnus goekhani (2.4%) and Neogobius fluviatilis (4%) were the most rarely encountered species in the stream. According to our observations, drought, agricultural irrigation, and Devrez Kızlaryolu Dam, which is under construction, were considered major threats to the fish fauna.

Anahtar Kelimeler

Ichthyofauna, Endemism, Turkiye inland fishes, Devrez Kızlaryolu Dam

Destekleyen Kurum

Ankara Hacı Bayram Veli University

Proje Numarası

01-2020-15

Teşekkür

I thank Prof. Dr. Ayhan Gürbüz for his comments on this manuscript, Olcay Ablak and Hilmi Niyazioğlu for field work and fish sampling. This study was supported by the Scientific Research Projects Coordination Unit of Ankara Hacı Bayram Veli University (Project No: 01-2020-15).

Devrez Çayı (Türkiye) Balık Faunası Üzerine Antropojenik Faaliyetlerin Etkisi

Öz

Bu çalışmada Nisan 2020 ile Mart 2021 tarihleri arasında Devrez Çayı’nın balık türü çeşitliliği ve koruma ölçütleri, habitat değerlendirmesi ve ihtiyofaunayı tehdit eden unsurlar aylık olarak incelenmiştir. Dört familyaya ait (Cyprinidae, Gobionidae, Leuciscidae, Gobiidae) sekiz balık taksonu (7’si yerli, 1’i yerli olmayan tür) tespit edilmiştir. Söz konusu türlerden Chondrostoma angorense Elvira, 1987 (endemik) Devrez Çayı’ndan ilk kez rapor edilmiştir. Çayda Squalius sp. (%32,5), Chondrostoma angorense (%24,4), Capoeta tinca (%23,9) ve Alburnoides freyhofi (%11,1) en yaygın türler iken, Pseudorasbora parva (%0,5), Barbus anatolicus (%1,2), Alburnus goekhani (%2,4) ve Neogobius fluviatilis (%4) en az rastlanan türlerdir. Gözlemlerimize göre kuraklık, tarımsal sulama ve yapımı devam eden Devrez Kızlaryolu Barajı balık faunası için başlıca tehditler olarak düşünülmektedir.

Anahtar Kelimeler

İhtiyofauna, Endemizm, Türkiye içsu balıkları, Devrez Kızlaryolu Barajı

Proje Numarası

01-2020-15

Kaynakça

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