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Determination of Age, Growth and First Maturity Length of Whiting (Merlangius merlangus, Nordmann, 1840) in the Eastern Black Sea

Year 2021, , 450 - 462, 01.12.2021
https://doi.org/10.22392/actaquatr.809314

Abstract

In this study, it is aimed to determine some basic parameters of the whiting (Merlangius merlangus) population in the Eastern Black Sea. As a result of 12 months sampling conducted between March 2017 and February 2018, a total of 1579 whiting were examined and their lengths ranged between 7.5 cm and 32.6 cm and the mean length was 14.49 ± 2.85 cm and their weights ranged between 2.68 g and 279.58 g, the mean weight was 26.05 ± 20.95 g. Length-weight relationship was found W=0,0046*L3,173. While the sex ratio (female/male) was found to be 1,31: 1, because of the chi-square test the difference was found to be significant. Age distribution was between 0 and VIII, growth parameters were determined as L∞=31,87 cm, K=0,130, t0=-3,071, W∞=271,01 g and Ø'=2,123, respectively. The first sexual maturity length of total samples (L50) was calculated as 13.19 cm. In the light of the data obtained, it has been observed that there is a catch that negatively affects the sustainability of Eastern Black Sea whiting stocks.

References

  • Akoğlu, E., Salihoglu, B., Libralato, S., Oguz, T., & Solidoro, C. (2014). An indicator-based evaluation of Black Sea food web dynamics during 1960–2000. Journal of Marine Systems, 134, 113–125.
  • Atasoy Göksungur, E., Erdem, Ü., Cebeci, M,. & Yerli B. (2006). Marmara denizi mezgit (Merlangius merlangus euxinus Nordmann, 1840) balığının bazı biyolojik özellikleri. E.Ü. Su Ürünleri Dergisi. E.U. Journal of Fisheries & Aquatic Sciences, 23, (1/1) 33-37.
  • Avşar, D. (2005). Balıkçılık Biyolojisi ve Popülasyon Dinamiği. Nobel Tıp Kitap evi, ISBN: 9789758561445, Adana, Türkiye, 332.
  • Aydın, M., & Hacıoğlu, M. N.( 2017). Trabzon Bölgesi’nde kullanılan mezgit uzatma ağlarının av verimi ve tür kompozisyonunun belirlenmesi. Ordu Üniversitesi Bilim ve Teknoloji Dergisi, 7(2), 226-238.
  • Bat, L., Erdem, Y., Ustaoğlu, S., Yardım., Ö. & Satılmış, H.H. (2005). A study on the fishes of the central Black Sea coast of Turkey. Journal of the Black Sea/Mediterranean Environment 11, 281-296.
  • Bat, L., Sahin, F., Satılmıs, H.H., Ustun, F., Ozdemir, Z.B., Kideys, A.E., & Shulman, G.E., (2007). Karadeniz’in değişen ekosistemi ve hamsi balıkçılığına etkisi. Journal Fish Science, 1(4), 191-227.
  • Bilgin, S., Bal, H., & Taşçı, B. 2012. Length based growth estimates and reproduction biology of whiting, Merlangius merlangus euxinus (Nordman, 1840) in the Southeast Black Sea. Turkish Journal of Fisheries and Aquatic Sciences 12,871-881.
  • Blackwell, B.G., Brown, M.L., & Willis, D.W. (2000). Relative weight (wr) status and current use in fisheries assessment and management. Reviews in Fisheries Science, 8,1, 1-44.
  • Bradova, N., & Prodanov, K. (2003). Growth rate of the whiting (Merlangius merlangus euxinus) from the western part of Black Sea. Bulgarian Academy of Sciences, 4, 157-164.
  • Chilton, D. E., & Beamish, R. J. (1982). Age determination methods forfishes studied by the groundfish program at the Pacific Biological Station. Canadian Special Publication of Fisheries and Aquatic Sciences, 60, 1–102.
  • Çiloğlu, E., Şahin, C., Zengin, M., & Genç, Y. (2001). Determination of some population parameters and reproduction period of whiting (Merlangius merlangus euxinus Nordmann, 1840) on the Trabzon-Yomra coast in the eastern Black Sea. Turkish Journal of Zoology, 25, 831-1837.
  • Düzgünes, E., & Karaçam, H. (1990). Dogu Karadeniz’ deki mezgit (Gadus euxinus Nord., 1840) balıklarında bazı populasyon parametreleri, et verimi ve biyokimyasal kompozisyonu. Doga Turkish Journal Of Zoology, 14, 345-352.
  • Erdem, Y., Özdemir, S., Erdem, E., &Özdemir Birinci, Z. (2007). Dip trolü ile iki farklı derinlikte avlanan mezgit (Gadus merlangus euxinis N. 1840) balığının av ve boy kompozisyonunun değişimi. Türk Sucul Yaşam Dergisi, 3-5(3-4), 395-400.
  • Gücü, A.C., Genç, Y., Dağtekin, M., Sakınan, S., Ak, O., Ok, M., & Aydın, İ. (2017). On Black Sea anchovy and its fishery. Reviews in Fisheries Science & Aquaculture, 25,3, 230- 244.
  • Hehir, I. (2003). Age, growth and reproductive biology of whiting Merlangius merlangus (Linnaeus 1758) in the Celtic Sea. Galway-Mayo Institute of Technology, Master of Science in Fisheries and Marine Biology. Submitted to the Higher education and Training Awards Council.
  • Ismen, A. (1995). The Biology and population parameters of the whiting (Merlangius merlangus euxinus Nordmann) in the Turkish coast of the Black Sea. Middle East Technical University, PhD. thesis, Mersin, 215.
  • İşmen, A. (2002). A preliminary study on the population dynamics parameters of whiting (Merlangius merlangus euxinus) in Turkish Blak Sea coast waters. Turkish Journal Zoology, 26, 157-166.
  • Kalaycı, F., Samsun, N., Bilgin, S., & Samsun, O. (2007). Length-Weight relationship of 10 fish species caught by bottom trawl and midwater trawl from the Middle Black Sea, Turkey. Turkish Journal of Fisheries and Aquatic Sciences, 7, 33-36. Kalayci, F., & Yeşilçiçek, T. (2014). The size selectivity of whiting (Merlangius merlangus euxinus) caught by gillnet in the eastern Black Sea of Turkey. Journal of the Marine Biological Association of the United Kingdom, 94(7), 1539–1544.
  • King, M. (1995). Fisheries Biology Assessment and Management, Editorial Office, Osney Mead, Oxford OX2 0EL, Printed and Bound in Great Britannia by Hartnols Ltd., Bodmin.
  • Le Cren, E. D. (1951). The length-weight relationship and seasonal cycle in gonad weight and condition in the perch (Perca fluviatilis). Journal of Animal Ecology, 20(2), 201-219.
  • Maxımov V., Radu G., & Staıcu I. (2007). Evolution of demersal fish species catches from the Romanian marine area between 2000 and 2007. INCDM Constanta, Cercetari Marine / Recherches Marines, 38, 305-323.
  • Mazlum, R.E., & Bilgin, S. (2014). Age, growth, reproduction and diet of the whiting, Merlangius merlangus euxinus (Nordmann, 1840), in the southeastern Black Sea. Cahiers de Biologie Marine, 55, 463- 474.
  • Munro, J.L., & Pauly, D. (1983). A simple method for comparing the growth of fishes and invertebrates. Fishbyte, The WorldFish Center, 1(1), 5-6.
  • Oguz, T. (2005). Black Sea ecosystem response to climatic teleconnections. Oceanography 18(2), 122–133.
  • Oguz, T., Dippner, J.W., & Kaymaz, Z. (2006). Climatic regulationof the Black Sea hydro-meteorological and ecological proper-ties at interannual-to-decadal time scales. Journal of Marine Systems 60, 235–254.
  • Oguz, T., & Gilbert, D. (2007). Abrupt transitions of the top-down controlledBlack Sea pelagic ecosystem during 1960–2000: evidence for regime-shiftsunder strong fishery exploitation and nutrient enrichment modulated byclimate-induced variations. Deep-Sea Research Part I-Oceanographic Research Papers, 54, 220–242.
  • Pauly D. (1984). Recent developments in the methodology available for the assessment of exploited fish stocks of reservoirs. In: J.M. Kapetzky, T. Petr (Eds.), Status of African reservoir fisheries, 10, 321-326, Committee for Island Fisheries of Africa.
  • Pauly, D., & Munro, J.L. (1984). Once more on the comparison of growth in fish and invertebrates. Fishbyte, The WorldFish Center, 2(1), 1-21.
  • Peterson, N.J.B., Wyanski, D.M., Saborido-Rey, F., Macewicz, B.J., & Lowerre-Barbieri, S.K. (2011). A Standardized Terminology for Describing Reproductive Development in Fishes. Marine and Coastal Fisheries, 3(1), 52-70.
  • Polat, N., & Gümüş, A. (1996). Ageing of whiting Merlangius merlangus euxinus, Nordman, 1840) based on broken and burnt otolith. Fisheries Research 28, 231-236.
  • Prodanov, K., & Bradova, N. (2003). stock assessment of the whiting (Merlangius merlangus) in the western part of the Black Sea during 1971-1997. Oceanology, 4, 149-156.
  • Ricker, W. E. (1973). Linear regressions in fishery research. Journal of the Fisheries Research Board of Canada, 30(3), 409–434.
  • Ricker, W.E. (1979). Growth rates and models. In: W. S. Hoar, D.J. Randall & J.R. Brett (Ed), Fish Physiology vol VIII,Bioenergetics and growth 677-743p. Academic Press., New-York, UK.
  • Sağlam, N.E., & Sağlam, C. (2012). Population parameters of whiting (Merlangius merlangus euxinus L., 1758) in the South-Eastern Black Sea. Turkish Journal of Fisheries and Aquatic Sciences, 12, 831-839.
  • Samsun, N., & Erkoyuncu, G. (1998). Sinop Yöresinde (Karadeniz) dip trolleri ile avlanan mezgit balığının (Gadus merlangus euxinus N. 1840) balıkçılık biyolojisi yönünden bazı parametrelerinin araştırılması. Ege Üniversitesi Su Ürünleri Dergisi. 15(1-2), 19-31.
  • Samsun, O., Ozdamar, E., & Aral, O. (1994). Fisheries biology of whiting (Gadus merlangus euxinus. Nord. 1840) sampled by bottom trawls in the Central Black Sea. I. Nat. Ecol. Envi. Cong. 5-7 Oct. 1993. Ege Journal of Fisheries and Aquatic Sciences, 16(1), 1003-1011.
  • Samsun, S. (2005). Mezgit balığının (Gadus merlangus euxinus, Nordmann, 1840) bazı üreme ve beslenme özellikleri üzerine bir araştırma., 19 Mayıs Üniversitesi Fen Bilimleri Enstitüsü. Doktora Tezi Samsun, Türkiye, 119.
  • Şahin, T., & Akbulut, B. (1997). Some population aspects of whiting (Merlangius merlangus euxinus Nordmann, 1840) in the eastern Black Sea coast of Turkey. Turkish Journal of Zoology, 21, 187-193.
  • Sparre P., & Venema S.C. (1998).Introduction to tropical fish stock assessment. Food and Agriculture Organization of the United Nations, 1, 407.
  • TÜİK (Türkiye İstatistik Kurumu), 2020. Su Ürünleri İstatistikleri 2020, Ankara.
  • Yankova, M., Pavlov, D., Raykov, V., Mihneva V., & Radu, G. (2011). Length-weight relationships of ten fish speciesfrom the Bulgarian Black Sea waters. Turkish Journal of Zoology 35(2), 265-270.
  • Yeşilçiçek, T., Kalaycı, F., & Şahin, C. (2015). Length-weight relationships of 10 fish species from the southern Black Sea, Turkey. Journal of Fisheries Sciences.com, 9(1), 19-23.
  • Yildiz, T., & Karakulak, F.S. (2019). Age, growth, and mortality of whiting (Merlangius merlangus Linnaeus, 1758) from the western Black Sea. Turkey. Turkish Journal of Fisheries and Aquatıc Science, 19 (9), 793-804.
  • Zengin, M., Akpınar, İ. Ö., Kaykaç, M.H., & Tosunoğlu, Z. (2019). Comparison of selectivity of the trawl codends for whiting (Merlangius merlangus euxinus) in the Black Sea. Ege Journal of Fisheries and Aquatic Sciences, 36(3), 301-311.

Doğu Karadeniz’de Mezgit (Merlangius merlangus, Nordmann, 1840) Balığının Yaş, Büyüme ve İlk Eşeysel Olgunluk Boyunun Belirlenmesi

Year 2021, , 450 - 462, 01.12.2021
https://doi.org/10.22392/actaquatr.809314

Abstract

Çalışmada, Doğu Karadeniz’deki Mezgit (Merlangius merlangus) popülasyonunun bazı temel parametrelerinin belirlenmesi amaçlanmıştır. Mart 2017- Şubat 2018 tarihleri arasında yapılan 12 aylık örneklemede elde edilen ve incelenen 1579 adet mezgit balığının boylarının 7,5 cm ile 32,6 cm arasında dağılım gösterdiği ve ortalama boyun 14,49±2,85 cm olduğu, ağırlıklarının ise 2,68 g ile 279,58 g arasında dağılım gösterdiği ve ortalama ağırlığın 26,05±20,95 g olduğu bulunmuştur. Boy-ağırlık ilişkisi W=0,0046*L3,173 olarak saptanmıştır. Cinsiyet oranı (dişi/erkek) 1,31:1 ve yapılan χ2 testi sonucu farkın önemli olduğu tespit edilmiştir. Yaş dağılımı 0-VIII arasında, büyüme parametreleri L∞=31,87 cm, K=0,130, t0=-3,071, W∞=271,01 g ve Ø'=2,123 olarak belirlenmiştir. Toplam örneklerde ilk eşeysel olgunluk boyu (L50=13,19 cm) olarak hesaplanmıştır. Elde edilen veriler ışığında Doğu Karadeniz mezgit stoklarının sürdürülebilirliğini olumsuz yönde etkileyen bir avcılık söz konusu olduğu görülmüştür.

References

  • Akoğlu, E., Salihoglu, B., Libralato, S., Oguz, T., & Solidoro, C. (2014). An indicator-based evaluation of Black Sea food web dynamics during 1960–2000. Journal of Marine Systems, 134, 113–125.
  • Atasoy Göksungur, E., Erdem, Ü., Cebeci, M,. & Yerli B. (2006). Marmara denizi mezgit (Merlangius merlangus euxinus Nordmann, 1840) balığının bazı biyolojik özellikleri. E.Ü. Su Ürünleri Dergisi. E.U. Journal of Fisheries & Aquatic Sciences, 23, (1/1) 33-37.
  • Avşar, D. (2005). Balıkçılık Biyolojisi ve Popülasyon Dinamiği. Nobel Tıp Kitap evi, ISBN: 9789758561445, Adana, Türkiye, 332.
  • Aydın, M., & Hacıoğlu, M. N.( 2017). Trabzon Bölgesi’nde kullanılan mezgit uzatma ağlarının av verimi ve tür kompozisyonunun belirlenmesi. Ordu Üniversitesi Bilim ve Teknoloji Dergisi, 7(2), 226-238.
  • Bat, L., Erdem, Y., Ustaoğlu, S., Yardım., Ö. & Satılmış, H.H. (2005). A study on the fishes of the central Black Sea coast of Turkey. Journal of the Black Sea/Mediterranean Environment 11, 281-296.
  • Bat, L., Sahin, F., Satılmıs, H.H., Ustun, F., Ozdemir, Z.B., Kideys, A.E., & Shulman, G.E., (2007). Karadeniz’in değişen ekosistemi ve hamsi balıkçılığına etkisi. Journal Fish Science, 1(4), 191-227.
  • Bilgin, S., Bal, H., & Taşçı, B. 2012. Length based growth estimates and reproduction biology of whiting, Merlangius merlangus euxinus (Nordman, 1840) in the Southeast Black Sea. Turkish Journal of Fisheries and Aquatic Sciences 12,871-881.
  • Blackwell, B.G., Brown, M.L., & Willis, D.W. (2000). Relative weight (wr) status and current use in fisheries assessment and management. Reviews in Fisheries Science, 8,1, 1-44.
  • Bradova, N., & Prodanov, K. (2003). Growth rate of the whiting (Merlangius merlangus euxinus) from the western part of Black Sea. Bulgarian Academy of Sciences, 4, 157-164.
  • Chilton, D. E., & Beamish, R. J. (1982). Age determination methods forfishes studied by the groundfish program at the Pacific Biological Station. Canadian Special Publication of Fisheries and Aquatic Sciences, 60, 1–102.
  • Çiloğlu, E., Şahin, C., Zengin, M., & Genç, Y. (2001). Determination of some population parameters and reproduction period of whiting (Merlangius merlangus euxinus Nordmann, 1840) on the Trabzon-Yomra coast in the eastern Black Sea. Turkish Journal of Zoology, 25, 831-1837.
  • Düzgünes, E., & Karaçam, H. (1990). Dogu Karadeniz’ deki mezgit (Gadus euxinus Nord., 1840) balıklarında bazı populasyon parametreleri, et verimi ve biyokimyasal kompozisyonu. Doga Turkish Journal Of Zoology, 14, 345-352.
  • Erdem, Y., Özdemir, S., Erdem, E., &Özdemir Birinci, Z. (2007). Dip trolü ile iki farklı derinlikte avlanan mezgit (Gadus merlangus euxinis N. 1840) balığının av ve boy kompozisyonunun değişimi. Türk Sucul Yaşam Dergisi, 3-5(3-4), 395-400.
  • Gücü, A.C., Genç, Y., Dağtekin, M., Sakınan, S., Ak, O., Ok, M., & Aydın, İ. (2017). On Black Sea anchovy and its fishery. Reviews in Fisheries Science & Aquaculture, 25,3, 230- 244.
  • Hehir, I. (2003). Age, growth and reproductive biology of whiting Merlangius merlangus (Linnaeus 1758) in the Celtic Sea. Galway-Mayo Institute of Technology, Master of Science in Fisheries and Marine Biology. Submitted to the Higher education and Training Awards Council.
  • Ismen, A. (1995). The Biology and population parameters of the whiting (Merlangius merlangus euxinus Nordmann) in the Turkish coast of the Black Sea. Middle East Technical University, PhD. thesis, Mersin, 215.
  • İşmen, A. (2002). A preliminary study on the population dynamics parameters of whiting (Merlangius merlangus euxinus) in Turkish Blak Sea coast waters. Turkish Journal Zoology, 26, 157-166.
  • Kalaycı, F., Samsun, N., Bilgin, S., & Samsun, O. (2007). Length-Weight relationship of 10 fish species caught by bottom trawl and midwater trawl from the Middle Black Sea, Turkey. Turkish Journal of Fisheries and Aquatic Sciences, 7, 33-36. Kalayci, F., & Yeşilçiçek, T. (2014). The size selectivity of whiting (Merlangius merlangus euxinus) caught by gillnet in the eastern Black Sea of Turkey. Journal of the Marine Biological Association of the United Kingdom, 94(7), 1539–1544.
  • King, M. (1995). Fisheries Biology Assessment and Management, Editorial Office, Osney Mead, Oxford OX2 0EL, Printed and Bound in Great Britannia by Hartnols Ltd., Bodmin.
  • Le Cren, E. D. (1951). The length-weight relationship and seasonal cycle in gonad weight and condition in the perch (Perca fluviatilis). Journal of Animal Ecology, 20(2), 201-219.
  • Maxımov V., Radu G., & Staıcu I. (2007). Evolution of demersal fish species catches from the Romanian marine area between 2000 and 2007. INCDM Constanta, Cercetari Marine / Recherches Marines, 38, 305-323.
  • Mazlum, R.E., & Bilgin, S. (2014). Age, growth, reproduction and diet of the whiting, Merlangius merlangus euxinus (Nordmann, 1840), in the southeastern Black Sea. Cahiers de Biologie Marine, 55, 463- 474.
  • Munro, J.L., & Pauly, D. (1983). A simple method for comparing the growth of fishes and invertebrates. Fishbyte, The WorldFish Center, 1(1), 5-6.
  • Oguz, T. (2005). Black Sea ecosystem response to climatic teleconnections. Oceanography 18(2), 122–133.
  • Oguz, T., Dippner, J.W., & Kaymaz, Z. (2006). Climatic regulationof the Black Sea hydro-meteorological and ecological proper-ties at interannual-to-decadal time scales. Journal of Marine Systems 60, 235–254.
  • Oguz, T., & Gilbert, D. (2007). Abrupt transitions of the top-down controlledBlack Sea pelagic ecosystem during 1960–2000: evidence for regime-shiftsunder strong fishery exploitation and nutrient enrichment modulated byclimate-induced variations. Deep-Sea Research Part I-Oceanographic Research Papers, 54, 220–242.
  • Pauly D. (1984). Recent developments in the methodology available for the assessment of exploited fish stocks of reservoirs. In: J.M. Kapetzky, T. Petr (Eds.), Status of African reservoir fisheries, 10, 321-326, Committee for Island Fisheries of Africa.
  • Pauly, D., & Munro, J.L. (1984). Once more on the comparison of growth in fish and invertebrates. Fishbyte, The WorldFish Center, 2(1), 1-21.
  • Peterson, N.J.B., Wyanski, D.M., Saborido-Rey, F., Macewicz, B.J., & Lowerre-Barbieri, S.K. (2011). A Standardized Terminology for Describing Reproductive Development in Fishes. Marine and Coastal Fisheries, 3(1), 52-70.
  • Polat, N., & Gümüş, A. (1996). Ageing of whiting Merlangius merlangus euxinus, Nordman, 1840) based on broken and burnt otolith. Fisheries Research 28, 231-236.
  • Prodanov, K., & Bradova, N. (2003). stock assessment of the whiting (Merlangius merlangus) in the western part of the Black Sea during 1971-1997. Oceanology, 4, 149-156.
  • Ricker, W. E. (1973). Linear regressions in fishery research. Journal of the Fisheries Research Board of Canada, 30(3), 409–434.
  • Ricker, W.E. (1979). Growth rates and models. In: W. S. Hoar, D.J. Randall & J.R. Brett (Ed), Fish Physiology vol VIII,Bioenergetics and growth 677-743p. Academic Press., New-York, UK.
  • Sağlam, N.E., & Sağlam, C. (2012). Population parameters of whiting (Merlangius merlangus euxinus L., 1758) in the South-Eastern Black Sea. Turkish Journal of Fisheries and Aquatic Sciences, 12, 831-839.
  • Samsun, N., & Erkoyuncu, G. (1998). Sinop Yöresinde (Karadeniz) dip trolleri ile avlanan mezgit balığının (Gadus merlangus euxinus N. 1840) balıkçılık biyolojisi yönünden bazı parametrelerinin araştırılması. Ege Üniversitesi Su Ürünleri Dergisi. 15(1-2), 19-31.
  • Samsun, O., Ozdamar, E., & Aral, O. (1994). Fisheries biology of whiting (Gadus merlangus euxinus. Nord. 1840) sampled by bottom trawls in the Central Black Sea. I. Nat. Ecol. Envi. Cong. 5-7 Oct. 1993. Ege Journal of Fisheries and Aquatic Sciences, 16(1), 1003-1011.
  • Samsun, S. (2005). Mezgit balığının (Gadus merlangus euxinus, Nordmann, 1840) bazı üreme ve beslenme özellikleri üzerine bir araştırma., 19 Mayıs Üniversitesi Fen Bilimleri Enstitüsü. Doktora Tezi Samsun, Türkiye, 119.
  • Şahin, T., & Akbulut, B. (1997). Some population aspects of whiting (Merlangius merlangus euxinus Nordmann, 1840) in the eastern Black Sea coast of Turkey. Turkish Journal of Zoology, 21, 187-193.
  • Sparre P., & Venema S.C. (1998).Introduction to tropical fish stock assessment. Food and Agriculture Organization of the United Nations, 1, 407.
  • TÜİK (Türkiye İstatistik Kurumu), 2020. Su Ürünleri İstatistikleri 2020, Ankara.
  • Yankova, M., Pavlov, D., Raykov, V., Mihneva V., & Radu, G. (2011). Length-weight relationships of ten fish speciesfrom the Bulgarian Black Sea waters. Turkish Journal of Zoology 35(2), 265-270.
  • Yeşilçiçek, T., Kalaycı, F., & Şahin, C. (2015). Length-weight relationships of 10 fish species from the southern Black Sea, Turkey. Journal of Fisheries Sciences.com, 9(1), 19-23.
  • Yildiz, T., & Karakulak, F.S. (2019). Age, growth, and mortality of whiting (Merlangius merlangus Linnaeus, 1758) from the western Black Sea. Turkey. Turkish Journal of Fisheries and Aquatıc Science, 19 (9), 793-804.
  • Zengin, M., Akpınar, İ. Ö., Kaykaç, M.H., & Tosunoğlu, Z. (2019). Comparison of selectivity of the trawl codends for whiting (Merlangius merlangus euxinus) in the Black Sea. Ege Journal of Fisheries and Aquatic Sciences, 36(3), 301-311.
There are 44 citations in total.

Details

Primary Language Turkish
Journal Section Research Articles
Authors

Cemalettin Şahin 0000-0001-8896-010X

Erhan Öztürk 0000-0002-7734-5221

Muhammet Emanet 0000-0002-9970-1442

Yusuf Ceylan 0000-0002-7513-4957

Publication Date December 1, 2021
Published in Issue Year 2021

Cite

APA Şahin, C., Öztürk, E., Emanet, M., Ceylan, Y. (2021). Doğu Karadeniz’de Mezgit (Merlangius merlangus, Nordmann, 1840) Balığının Yaş, Büyüme ve İlk Eşeysel Olgunluk Boyunun Belirlenmesi. Acta Aquatica Turcica, 17(4), 450-462. https://doi.org/10.22392/actaquatr.809314