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Effect on catchability of species and species selectivity of structure properties and net material of gillnets.

Year 2006, Volume: 23 Issue: 3, 429 - 433, 01.09.2006

Süleyman Özdemir Yakup Erdem

Abstract

Keywords

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References

  • Aksu, H., 2006. The effect of using sardon in trammel nets on prevent catching of discarded species, (in Turkish). Ondokuz Mayıs University Natural Science Institue, Msc. Thesis, 90 p. Samsun.
  • Anonymus, 2006. Türkiye Statistical Society, Fisheries statistics 2004, (in Turkish).
  • Balık, İ., 2001. Comparison of sesonal catch per unit efforts for mono- multifilament trammel nets in Lake Beyşehir. Turkish Journal of Fisheries and Aquatic Science 1: 17-21 p.
  • Clucas, I., 1997. A study of the options for utilisation of by-catch and discards from marine capture fisheries, FAO Fish. Cir. No: 928 FIIU/C 928 Food and Agriculture Organisation of the United Nations Rome.
  • Engas, A., S. Lokkeborg, 1994. Abundance estimation using gillnet and longline. In The Role of Fish Behaviour Marine Fish Behaviour in Capture and Abundance Estimation. Chapter 8, pp.130-163. Ed. By A. Fernö and S. Olsen. Fishing New Boks, London.
  • Erkoyuncu, İ., 1995. Fisheries biology and population dynamics, (in Turkish). Ondokuz Mayıs University Book, Number: 35, 265 p. Samsun
  • Fernö, A., S. Olsen, 1994. Marine fish behaviour in capture and abundance estimation. Fishing News Books, 224 p. Published 1994. ISBN 0-85238- 211-1 London.
  • Godoy, H., D. Furevik, S. Lokkeborg, 2003. Reduced bycatch of red king crab in gillnet fishery for Cod (Gadus morhua) in Northern Norway. Fisheries Research 62: 337-384 pp.
  • Gökçe, G., 2004. Research on reduction of non-target species in shrimp trammel net, (in Turkish). Ege University Natural Science Institue, Phd Thesis, 115 p. Izmir.
  • Gurbet, R., A. Alaz, A. Ayaz, M. Erdem, 1998. Research on catch efficiency of gillnets, (in Turkish). E.U. Research Fund Project No: 1996 SUF-01 Project Report.
  • Hylen, A., T. Jacobsen, 1979. A fishing experiment with multifilament, monofilament and monotwine gillnets. In The Role of Fish Behaviour Marine Fish Behaviour in Capture and Abundance Estimation. . Ed. By A. Fernö and S. Olsen. Fishing New Books, London. Published 1994. ISBN 0-85238-211-1
  • Millner, R.S., 1985. The use of anchored gill and tangle nets in the sea fisheries of England and Wales. Laboratory Leaflet No:57 Lowesoft.
  • Özdemir, S., Y. Erdem, 2006. The comparasion of catch efficiency of mono and multifilament gillnets on different weather conditions, (in Turkish). Science and Engineering Journal of Fırat University, 18(1): 63-68 p. Elazığ.
  • Özdemir, S., Ç. Sümer, Y. Erdem, 2003. Comparison of catch compositon and catch efficiency of trammel nets which have different material, (in Turkish). XII. National Fisheries Symposium, Announcements Book, 467- 472 pp. Elazığ-Türkiye.
  • Potter, E.C.E., M.G. Pawson, 1991. Gill netting. Ministry of Agriculture, Fisheries and Food Directorate of Fisheries Research, Laboratory Leaflet, Number 69: 1-35 p.
  • Rudstam, L.G., J.J. Magnuson, W.M. Tonn, 1984. Size selectivity of passive fishing gear: A corection for encounter probability applied to gillnets. Can. J. Fish. Aquat. Sci. 41:1252-1255 p.

Uzatma Ağlarının Ağ Materyali ve Yapısal Özelliklerinin Türlerin Yakalanabilirliği ve Tür Seçiciliği Üzerindeki Etkisi.

Year 2006, Volume: 23 Issue: 3, 429 - 433, 01.09.2006

Süleyman Özdemir Yakup Erdem

Abstract

Bu araştırmada, monofilament ve multifilament materyale sahip fanyalı ve sade uzatma ağlarının av kompozisyonu, türlerin yakalanabilirliği ve tür seçiciliği karşılaştırılmıştır. Denemelerde kullanılan ağların göz açıklığı 36 mm dir. Türlerin % 58,81’i monofilament, % 41,19’u multifilament ağlarla yakalanmıştır. Monofilament ağlarla yakalananların % 95,84’ü, multifilamentlerin ise % 92,67’sinin ekonomik olduğu bulunmuştur. Tüm ekonomik türler içerisinde multifilament ağların payı % 40,38, monofilament ağların payı ise % 59.62 olarak tespit edilmiştir. Hem avlanan balık miktarı hem de hedef tür yakalama oranı yönünden sade ağların fanyalı ağlara oranla daha verimli olduğu belirlenmiştir. Hedef türleri oluşturan istavrit (Trachurus trachurus, L. 1758), barbunya (Mullus barbatus ponticus, E., 1927) ve mezgit (Merlangius merlangus euxinus, N. 1840) balıkların boy kompozisyonları incelendiğinde; sade ağların fanyalı ağlara, multifilament ağların monofilament ağlara göre daha (p

Keywords

Fanyalı ağ sade ağ monofilament multifilament tür seçiciliği

References

  • Aksu, H., 2006. The effect of using sardon in trammel nets on prevent catching of discarded species, (in Turkish). Ondokuz Mayıs University Natural Science Institue, Msc. Thesis, 90 p. Samsun.
  • Anonymus, 2006. Türkiye Statistical Society, Fisheries statistics 2004, (in Turkish).
  • Balık, İ., 2001. Comparison of sesonal catch per unit efforts for mono- multifilament trammel nets in Lake Beyşehir. Turkish Journal of Fisheries and Aquatic Science 1: 17-21 p.
  • Clucas, I., 1997. A study of the options for utilisation of by-catch and discards from marine capture fisheries, FAO Fish. Cir. No: 928 FIIU/C 928 Food and Agriculture Organisation of the United Nations Rome.
  • Engas, A., S. Lokkeborg, 1994. Abundance estimation using gillnet and longline. In The Role of Fish Behaviour Marine Fish Behaviour in Capture and Abundance Estimation. Chapter 8, pp.130-163. Ed. By A. Fernö and S. Olsen. Fishing New Boks, London.
  • Erkoyuncu, İ., 1995. Fisheries biology and population dynamics, (in Turkish). Ondokuz Mayıs University Book, Number: 35, 265 p. Samsun
  • Fernö, A., S. Olsen, 1994. Marine fish behaviour in capture and abundance estimation. Fishing News Books, 224 p. Published 1994. ISBN 0-85238- 211-1 London.
  • Godoy, H., D. Furevik, S. Lokkeborg, 2003. Reduced bycatch of red king crab in gillnet fishery for Cod (Gadus morhua) in Northern Norway. Fisheries Research 62: 337-384 pp.
  • Gökçe, G., 2004. Research on reduction of non-target species in shrimp trammel net, (in Turkish). Ege University Natural Science Institue, Phd Thesis, 115 p. Izmir.
  • Gurbet, R., A. Alaz, A. Ayaz, M. Erdem, 1998. Research on catch efficiency of gillnets, (in Turkish). E.U. Research Fund Project No: 1996 SUF-01 Project Report.
  • Hylen, A., T. Jacobsen, 1979. A fishing experiment with multifilament, monofilament and monotwine gillnets. In The Role of Fish Behaviour Marine Fish Behaviour in Capture and Abundance Estimation. . Ed. By A. Fernö and S. Olsen. Fishing New Books, London. Published 1994. ISBN 0-85238-211-1
  • Millner, R.S., 1985. The use of anchored gill and tangle nets in the sea fisheries of England and Wales. Laboratory Leaflet No:57 Lowesoft.
  • Özdemir, S., Y. Erdem, 2006. The comparasion of catch efficiency of mono and multifilament gillnets on different weather conditions, (in Turkish). Science and Engineering Journal of Fırat University, 18(1): 63-68 p. Elazığ.
  • Özdemir, S., Ç. Sümer, Y. Erdem, 2003. Comparison of catch compositon and catch efficiency of trammel nets which have different material, (in Turkish). XII. National Fisheries Symposium, Announcements Book, 467- 472 pp. Elazığ-Türkiye.
  • Potter, E.C.E., M.G. Pawson, 1991. Gill netting. Ministry of Agriculture, Fisheries and Food Directorate of Fisheries Research, Laboratory Leaflet, Number 69: 1-35 p.
  • Rudstam, L.G., J.J. Magnuson, W.M. Tonn, 1984. Size selectivity of passive fishing gear: A corection for encounter probability applied to gillnets. Can. J. Fish. Aquat. Sci. 41:1252-1255 p.
There are 16 citations in total.

Details

Primary Language Turkish
Journal Section Articles
Authors

Süleyman Özdemir

Yakup Erdem

Publication Date September 1, 2006
Submission Date December 7, 2015
Published in Issue Year 2006 Volume: 23 Issue: 3

Cite

APA Özdemir, S., & Erdem, Y. (2006). Uzatma Ağlarının Ağ Materyali ve Yapısal Özelliklerinin Türlerin Yakalanabilirliği ve Tür Seçiciliği Üzerindeki Etkisi. Ege Journal of Fisheries and Aquatic Sciences, 23(3), 429-433.