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

Authors : Ozlem ABLAK GURBUZ

Pages : 44-57

Doi:10.22392/actaquatr.1167901

View : 13 | Download : 6

Publication Date : 2023-03-01

Article Type : Research Paper

Abstract :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 insert ignore into journalissuearticles values(7 natives, 1 non-native); belonging to four families insert ignore into journalissuearticles values(Cyprinidae, Gobionidae, Leuciscidae, Gobiidae); were identified. Chondrostoma angorense Elvira, 1987 insert ignore into journalissuearticles values(endemic); from the mentioned species was reported for the first time in the Devrez Stream. Squalius sp. insert ignore into journalissuearticles values(32.5%);, Chondrostoma angorense insert ignore into journalissuearticles values(24.4%);, Capoeta tinca insert ignore into journalissuearticles values(23.9%);, and Alburnoides freyhofi insert ignore into journalissuearticles values(11.1%); were the most common and abundant species while Pseudorasbora parva insert ignore into journalissuearticles values(0.5%);, Barbus anatolicus insert ignore into journalissuearticles values(1.2%);, Alburnus goekhani insert ignore into journalissuearticles values(2.4%); and Neogobius fluviatilis insert ignore into journalissuearticles values(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.
Keywords : İhtiyofauna, Endemizm, Türkiye içsu balıkları, Devrez Kızlaryolu Barajı