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    Comparison of Fish Aggregating Devices (FADs) Having Different Attractors
    (Medwell Online, 2010) Altinagac, Ugur; Kara, Ali; Ayaz, Adnan; Acarli, Deniz; Begburs, Cenkmen R.; Öztekin, Alkan
    In this study three FAD types, which were being commonly used in small scale fisheries and had different attractors were tried. Attractors such as pyramid, rope and panel types were tied to static FADs. The fish species and densities attracted by them were examined. The samplings were made through visual census, trammel nets and line fishing before and after the deploying of FADs. Any significant difference was not able to be found statistically between the attractors tied to fish aggregating devices. In the result of observation and samplings before and after the deploying of FADs, while 10 fish species belong to 6 families were observed before deployment, 16 fish species belong to 11 families were determined after the deployment of the FADs.
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    Selectivity of Fishhooks Used in Blotched Picarel (Spicara maena) in Artisanal Fishery in Dardanelles
    (Medwell Online, 2009) Altinagac, Ugur; Kara, Aydin; Ozekinci, Ugur; Ayaz, Adnan; İşmen, Ali; Altin, Aytac; Begburs, Cenkmen R.
    In the study, selectivity of two different types of (short and long shanked but same gap sized) fishhooks used in Blotched Picarel (Spicara maena) in artisanal fishery were determined in Dardanelles. In the calculation of selectivity parameters of fishhooks Holt method was used. The trials were carried out in 3 different regions in the Dardanelles between 12.09.2006-01.16.2008. For hooks gap size of which are 6.10, 7.60 and 9.05 mm, for long shanked hook the optimum catching length was determined as 13.21, 16.46 and 19.60 cm, respectively and for short shanked hook the optimum catching length was determined as 12.69, 15.81 and 18.83, respectively.