The comparison of effects on cod-end selectivity of different two techniques of covered cod-end method used in trawl selectivity experiments;Trol Seçicilik Araştirmalarinda Kullanilan Örtü Torba Yönteminin Farkli Iki Tekniǧinin Torba Seçiciliǧine Etkilerinin Karçilaçtirilmasi

Turkish Journal of Veterinary and Animal Sciences

Volumn 21, Issue 5, 1997, Pages 449-456

  Tosunoǧlu, Zafer ^a   Tokaç, Adnan ^a   Lök, Altan ^a   Metin, Cengiz ^a  

^a EGE UNIVERSITY   (Turkey)

Author keywords

Covered cod end method; Red mullet (Mullus barbatus); Selectivity; Standard and hooped cover techniques; Trawl

Indexed keywords

EID: 0031533741     PISSN: 13000128     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (20)

1. D.I.E.: 1993 Su ürünleri istatistikieri, 1995: Ankara.
2. Armstrong, D.W., Ferro, R.S.T., Maclennan, D.M. and Reeves, S.A.: Gear selectivity and conservation of fish, Journal of fish biology, 37, (Supplement A), 1992; 261-262.
3. Beverton, R.J.H.: Escape of fish through different parts of a codend, in ICNAF Spec. Publ. No. 5. 1963; 9-11. 7.
4. Jones, R.: Assessing the effects of changes in exploitation pattern using length composition data. 1984: FAO Fisheries Technical Paper, 256 p.
5. Reeves, S.A., Armstrong, D.W., Freyer, R.J., and Coul, K.A.: The effects of mesh size, cod-end extension length and cod-end diameter on the selectivity of Scottish trawls and seines, 1992; ICES J. Mar. Sci. 49: 279-288.
6. Sparre, P., Ursin, E. and Venema, S.C.: Introduction to tropical fish stock assessment. FAO Fish. Tech. Pap. No: 306/1, 1989; 337 p.
7. Stewart. P.A.M. and Robertson, J.H.B.: Small mesh codend covers. Scot. Fish. Res. Rep. No. 32, 1985: ISSN 0308 8022, 11 p.
8. Main, J. and Sangster, G.I.: An assessment of the scale damage to and survival rates of young gadoid fish escaping from teh cod-end of a demersal trawl. Scottish Fisheries, Research Report Number 46, 1990; 28 p.
9. Reeves, S.A. and Stewart, P.A.M.: Simulating the effect of codend shape on selectivity, ICES C.M. 1988: B: 47.
10. Robertson, J.H.B. and Ferro, R.S.T.: Mesh selection within the cod-end of trawls. The effects of narrowing cod-end and shortening the extension. Scot. Fish. Res. Rep. No. 39, 1988: ISSN 0308, 8022, 11 p.
11. Fonteyne, R.: Comparison between the covered codend method and the twin trawl method in beam trawl selectivity experiments. ICES C.M. 1991; B: 52.
12. Main, J., Sangster, G.I., Kynoch, R.J. and Ferro, R.S.T.: An experiment to measure the selectivity of cod-ends using two designs of cover. Scottish Fisheries Working Paper No. 2/92, 1992; 11 p.
13. Holden, M.: Editor. Report of the ICES/ICNAF Working groups on Selectivity, Analysis. 1971: ICES Co-op. Rep. Ser. A. No. 25.
14. Freyer, R.J.: Models of between-haul variation in selectivity. ICES Journal of Marine Science 48. 1991; 281-290.
15. Toǧulga, M. and Mater, S.: A comparison of data on the population dinamics of Mullus barbatus L from the Izmir Bay in 1973 and 1990. E.Ü. Fen Fak. Derg. 1992: Izmir.
16. Whitehead, P.J.P., Bauchot, M.-L., Hureau, J.-C., Nielsan, J. and Tortonese. E.: Editors. Fishes of teh North-Eastern Atlantic and the Mediterranean. Volume 1-2-3, 1986: The Chaucer Press, Paris.
17. Pope, J.A., Margets, A.R., Hamley, I.M. and Akyüz, E.F.: Manual of methods for fish stock assessment. Part 3. Selectivity of fishing gear. FAO Fish. Tech. Pap. No. 41, 1975; 65 p.
18. Gurbet, R.: Barbunya baliǧi (Mullus barbatus L.) avciliǧinda dip trol aǧlarinin seçicliǧi, Doktora Tezi. E.Ü, Su Ürün. A.B.D. 1992: 149 s. Bomova/Izmir.
19. Tokaç. A. Dip trol aǧlannda torba aǧ gözlerinin seçicilik parametreleri üzerine araştirmalar. Su Ürünleri Dergisi, 1993: Cilt 10, Sayi 37-38-39, 5. 223-246, Izmir.
20. Tokaç. A., Lök. A., Metin. C., Tosunoǧlu, Z., Ulaş., A.: Trol balikçiliǧinda demersal balik kaynaklarinin korunmasina yönelik seçicilik araştirmasi, TÜBITAK/DEBAG, 105 No'lu Proje. 1995: 79s.