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İzmir Körfez Hekim Adası' ndaki deneysel amaçlı yapay resiflerde balık faunasının değerlendirlimesi

Bu çalışmada Hekim Adası'nda resif öncesi ve sonrası balık faunası incelendi. Ayrıca 9m ve 18m deki yapay resif grupları arasında balık faunasındaki farklar değerlendirildi. Balık tür zenginliği ve bolluğunu tespit etmek için sualtı görsel sayım tekniği kullanıldı. Balık tür zenginliği, bolluğu ve çeşitliliği arasındaki farkları ortaya koymak için gerekli analizler kullanıldı. Resif sonrası tür zenginliğinde ve bolluğundaki artış önemli bulundu. Derinlikler arasındaki fark ise önemli bulunmadı. Mevsimlerin resifler etrafındaki balık kompozisyonu üstünde önemli etkisi olduğu bulundu.

Anahtar Kelimeler:

İzmir, habitatlar, türler, Türkiye, fauna, balık, mevsimsel değişimler

Evaluation of fish fauna associated with ewperimental artificial reefs in Hekim Island in İzmir bay (Aegean Sea, Turkey)

Fish fauna before and after reef deployments in Hekim Island was studied. Furthermore, differences offish fauna between 9m and 18m reef groups were, also evaluated. Underwater visual census technique was used to determine fish species richness and abundance. Differences in fish species richness, abundance and diversity between before and after reef deployment and 9m and 18m reef groups were revealed using correspondence analysis. Increasing of fish species richness and abundances after reef deployment was found significant. Differences in fish richness and abundance between 9m and 18m reef groups were not significant. It was found that seasons have an important effect on fish composition around artificial reefs.

Keywords:

Izmir, habitats, species, Turkey, fauna, fishes, seasonal variation,

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