Ferit Rad
Mersin University
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Aquaculture Economics & Management | 2000
Ferit Rad; Gülten Köksal
Abstract Aquaculture is a relatively recent industry in Turkey, enjoying great potential for development. Both freshwater and marine aquaculture are being practised in over 800 operational units. Rainbow trout (Oncorhynchus mykiss), Sea bream (Sparus aurata), Sea bass (Dicen‐trarchus labrax), comprise 90% of the total production, together with Atlantic salmon (Salmo salar), Common carp (Cyprinus carpio), Shrimp (Penaeidae spp.) and Mussel (Mytilus gal‐loprovincialis). Total aquaculture production reached 45 450 t in 1998, constituting 9% of total national fisheries production. Sea bass and sea bream farms are located along Aegean Sea and Mediterranean coasts and comprised 16% of the total number of aquaculture enterprises and 30% of total aquaculture production in 1997. Supplies of these two species have been steadily increasing in Turkey and other producing countries since 1990 resulting in market saturation and declining prices both locally and internationally. Mediterranean species including Epinephelus spp., Puntazzo puntazzo and Pagrus pagrus, are considered to be new candidates offering good prospects for mariculture.
Archive | 2002
Serap Pulatsü; Fikri Aydın; Ferit Rad; A.Çağlan Karasu; Akasya Akçora; Nezir Kuyumcu
Bu calisma balikcilik isletmelerinden dogrudan birakilan balik diskisi ve artik yemlerin alici ortam uzerindeki kirlenme boyutunu arastirmak amaciyla yapilmistir. Bu amacla Bilecik-Bozuyuk ilcesinde gokkusagi alabaligi yetistiriciliginin alici ortam olan Karasu deresi uzerindeki cevresel etkilerini belirlemek icin dere uzerinde yer alan bes alabalik isletmesinin cikis sularinda cozunmus oksijen, pH, askidaki kati madde, biyolojik oksijen ihtiyaci (BOI5), kimyasal oksijen ihtiyaci (KOI), toplam fosfor yuku incelenmistir. Su ornekleri isletmelerden bir yil boyunca aylik olarak alinmistir.Elde edilen bulgulara gore cikis sularinin kalitesi isletmeden isletmeye ve mevsimden mevsime farklilik gostermistir. Ancak isletmelerin cikis suyundaki cozunmus oksijen, pH, askidaki kati madde, amonyak azotu, nitrit azotu ve nitrat azotu duzeylerinin farkli ulkelerde alabalik isletmeleri icin ongorulen standart ve sinirlarin icerisinde yer aldigi saptanmistir. Isletmelerin cikis suyu ile alici ortama birakilan ve bir ton balik uretimi icin kullanilan bir ton yem basina dusen fosfor yuku, literaturde belirtilen degerlerin uzerinde bulunmustur. Bes isletmenin Karasu Deresi uzerindeki ortalama fosfor yuku 9.38 kg P/ 1 ton balik ve 8.09 kg P/ 1 ton yem olarak saptanmistir. Bu yuksek fosfor yukunun kullanilan yemlerin yuksek fosfor iceriginden kaynaklanabilecegi sonucuna varilmistir.
Aquaculture | 2006
Ferit Rad; Sezai Bozaoğlu; Serap Ergene Gözükara; Arzu Karahan; Gülderen Kurt
Turkish Journal of Fisheries and Aquatic Sciences | 2004
Serap Pulatsü; Ferit Rad; Gülten Köksal; Fikri Aydın; A.Ç. Karasu Benli; Akasya Topçu
Turkish Journal of Veterinary & Animal Sciences | 2000
Gülten Köksal; Ferit Rad; Mevlüt Kindir
Turkish Journal of Veterinary & Animal Sciences | 2004
Ferit Rad; Gülderen Kurt; A. Sezai Bozaoğlu
Turkish Journal of Veterinary & Animal Sciences | 2003
Ferit Rad; Gülten Köksal; Mevlüt Kindir
Turkish Journal of Veterinary & Animal Sciences | 2001
Ferit Rad
Tarim Bilimleri Dergisi-journal of Agricultural Sciences | 2015
Mustafa Üstündağ; Ferit Rad
Aquaculture Research | 2017
Tobias Lasner; Alexander Brinker; Rasmus Nielsen; Ferit Rad