TY - JOUR T1 - Age, growth and mortality rates of discard species (Uranoscopus scaber, Neogobius melanostomus and Gobius niger) in the Black Sea TT - Karadeniz’de ıskarta türlerin (Uranoscopus scaber, Neogobius melanostomus ve Gobius niger) yaş, büyüme ve ölüm oranları AU - Kasapoğlu, Nazlı PY - 2016 DA - November DO - 10.12714/egejfas.2016.33.4.14 JF - Ege Journal of Fisheries and Aquatic Sciences JO - EgeJFAS PB - Ege Üniversitesi WT - DergiPark SN - 2148-3140 SP - 397 EP - 403 VL - 33 IS - 4 LA - en AB - Uranoscopus scaber, Neogobius melanostomus and Gobius nigerare called non-commercial fish species and also caught as discarded in Turkishfisheries. Samplings were carried out by bottom trawl, gillnet, purse seine netoperations in the Turkish Black Sea coasts. The results of the study showedthat the age of these species were 0-V ages for Uranoscopus scaber and Gobiusniger, and 0-VII ages for Neogobiusmelanostomus for both sexes. The von Bertalanffy growth parameters, totalmortality rate (Z), natural mortality rate (M) and fishing mortality rate (F)were calculated for each species separately. KW - Age KW - growth KW - mortality rates KW - Uranoscopus scaber Neogobius melanostomus KW - Gobius niger N2 - Uranoscopus scaber, Neogobius melanostomus ve Gobius nigerTürkiye balıkçılığında ekonomik olmayan balıklar olarak adlandırılmakta veıskarta edilmektedirler. Bu çalışmanın örnekleri Karadeniz kıyısında kullanılandip trolü, uzatma ağı ve gırgır ağları ile elde edilmiştir. Bu çalışmadan eldeedilen sonuçlar Uranoscopus scaber veGobius niger türünün yaşlarının 0-Varasında, Neogobius melanostomustürünün ise 0-VII yaş arasında değiştiğini göstermiştir. Von Bertalanffy büyümeparametreleri, toplam ölüm oranları, doğal ölüm oranları ve balıkçılık ölümoranları ise her tür için ayrı ayrı hesaplanmıştır. CR - Baron, V.D. (2009). 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