Investigating Relationships Between Catch Per Unit Effort (CPUE) and Some Angler Characteristics in the Turkish Inland Recreational Fisheries: A Case Study from Uluabat Lake

Kadir Çapkın; Mehmet Cilbiz

doi:10.18016/ksutarimdoga.vi.1193781

Araştırma Makalesi

Investigating Relationships Between Catch Per Unit Effort (CPUE) and Some Angler Characteristics in the Turkish Inland Recreational Fisheries: A Case Study from Uluabat Lake

Yıl 2023, , 1387 - 1396, 31.12.2023

Kadir Çapkın , Mehmet Cilbiz

https://doi.org/10.18016/ksutarimdoga.vi.1193781

Öz

In this study it is aimed that determining effect of some social and demographic properties on Catch Per Unit Effort (CPUE) in Uluabat Lake anglers. A total of 375 interview applied with angler from April 2015 to May 2016 monthly period. Mean CPUE values of each angler was estimated as 1.36 fish/hr (0.08-5.67). Generalized additive models (GAMs) was used for evaluating the data set. Variables used in model were age of angler (X1), experience of angler (X2), annual total fishing day (X3), total value of fishing equipment (X4), monthly total income of anglers (X5), household number of anglers (X6) and CPUE of anglers (Y). Effect of all variables on the CPUE were founded not significant (p>0.05), except “Annual total fishing day” (p>0.05). The variables such as monthly total income of anglers, experience of angler, total value of angling equipment and annual total fishing day positively affected CPUE.

Anahtar Kelimeler

Angling, CPUE, GAMs, Recreational fisheries

Destekleyen Kurum

Republic of Turkey, Ministry of Agriculture and Forest, General Directorate of Agricultural Research and Policies

Proje Numarası

TAGEM/TEAD/16/ A15/P02/006

Teşekkür

This study was supported by Republic of Turkey, Ministry of Agriculture and Forest, General Directorate of Agricultural Research and Policies [grant number: TAGEM/TEAD/16/ A15/P02/006].

Kaynakça

Allen, M. S., Ahrens, R. N. M., Hansen, M. J., & Arlinghaus, R. (2013). Dynamic angling effort influences the value of minimum-length limits to prevent recruitment overfishing. Fisheries Management and Ecology, 20(2-3), 247-257. https://doi.org/10.1111/j.1365-2400.2012.00871.x
Almodóvar, A., & Nicola, G. G. (1998). Assessment of a brown trout Salmo trutta population in the River Gallo (central Spain): Angling effects and management implications (Salmonidae). Italian Journal of Zoology, 65(SUPPL.), 539-543. https://doi.org/10.1080/11250009809386881
Anonymous (2020) The circular No. 2020/21, regulating the amateur fisheries in 2020-2024, 17 pp., The Ministry of Agriculture and Forestry, Ankara, Türkiye, Official paper no: 31221 (In Turkish). https://www.mevzuat.gov.tr/ mevzuat? MevzuatNo=34822& MevzuatTur=9&MevzuatTertip=5
Anonymous (2013). A socio-ecomomic analysis of center and west anatolian inland fishermen. (Unpublished project final report). Republic of Türkiye, Ministry of Agriculture and Forestry, General Directory of Agricultural Research and Policies. 90p. Isparta.
Arlinghaus, R., Cooke, S. J., Lyman, J., Policansky, D., Schwab, A., Suski, C., Sutton, S. G., & Thorstad, E. B. (2007). Understanding the Complexity of Catch-and-Release in Recreational Fishing: An Integrative Synthesis of Global Knowledge from Historical, Ethical, Social, and Biological Perspectives. Reviews in Fisheries Science, 15(1-2), 75-167. https://doi.org/10.1080/10641260601149432
Ateşşahin, T. (2021). The effect of artificial lure type and environment conditions on the short‐time post‐release mortality of two recreational fished Luciobarbus species. Journal of Applied Ichthyology. https://doi.org/10.1111/jai.14278
Ateşşahin, T., & Cilbiz, M. (2018). Amateur Fishing License in Turkish Inland Amateur Fishery’. Journal of Limnology and Freshwater Fisheries Research, 4(2), 103-111. https://doi.org/10.17216/ LimnoFish.374113
Ateşşahin, T., & Cilbiz, M. (2019). Some Socio-Demographic Characteristics of Inland Amateur Fishermen: Case of Turkey [in Turkish]. Turkish Journal of Agriculture - Food Science and Technology, 7(1), 134-141.://doi.org/10.24925/ turjaf.v7i1.134-141.2326
Ateşşahin, T., & Cilbiz, M. (2019). The effect of hook size, spinner colour and fishing season on catching efficiency in angling for rainbow trout, Oncorhynchus mykiss (Walbaum, 1792).Pakistan Journal of Zoology, 51(5), 1937-1942.
Ateşşahin, T., Duman, E., & Cilbiz, M. (2015). Selectivity and Catch Efficiency of Three Spinner Hook Sizes in Angling for Rainbow Trout (Oncorhynchus mykiss Walbaum, 1792) in Karakaya Dam Lake (Eastern Turkey). Turkish Journal of Fisheries and Aquatic Sciences, 15(4), 851-859. https://doi.org/10.4194/1303-2712-v15_4_08
Aydın, C., & İlkyaz, A. T. (2021). Catching Performance and Catching Efficiency of Siliconized Baits in Handline Fishery. Journal of Agricultural Sciences (Tarim Bilimleri Dergisi), 27(2), 219-230. https://doi.org/10.15832/ankutbd.606513
Aydın, İ. (2011). Is natural bait type a stochastic process for size and condition of fishes in the recreational fishery of Ιzmir Bay? Mediterranean Marine Science, 12(2), 390-400. https://doi.org/ 10.12681/mms.39
Bellanger, M., & Levrel, H. (2017). A cost-effectiveness analysis of alternative survey methods used for the monitoring of marine recreational fishing in France. Ocean & Coastal Management, 138, 19-28. https://doi.org/10.1016/j.ocecoaman.2017.01.007
Bulut, C., Ramazan, A., Uysal, K., Esengül, K., & Çınar, Ş. (2010). Uluabat Gölü yüzey suyu kalitesinin değerlendirilmesi. Aquatic Sciences and Engineering, 25(1), 9-18.
Cooke S.J. & Cowx I.G. (2004) The role of recreational fisheries in global fish crises. BioScience 54, 857–859, https://doi.org/10.1641/0006-3568(2004)054 [0857:TRORFI]2.0.CO;2
Dedual, M., Sague Pla, O., Arlinghaus, R., Clarke, A., Ferter, K., Geertz Hansen, P., Gerdeaux, D., Hames, F., Kennelly, S. J., Kleiven, A. R., Meraner, A., & Ueberschär, B. (2013). Communication between scientists, fishery managers and recreational fishers: lessons learned from a comparative analysis of international case studies. Fisheries Management and Ecology, 20(2-3), 234-246. https://doi.org/10.1111/fme.12001
Dillon B. A bio-economic review of recreational angling for Bass (Dicentrachus labrax). Scarborough Centre for Coastal Studies, University of Hull, 2004. Elbek A.G., Oktay E.& Saygı H. (2006) Basic statistic in aquaculture [in Turkish], İzmir, Ege Üniversitesi Yayımları, No:19. 308.
E Embke, H. S., Nyboer, E. A., Robertson, A. M., Arlinghaus, R., Akintola, S. L., Atessahin, T., Badr, L. M., Baigun, C., Basher, Z., Beard, T. D., Boros, G., Bower, S. D., Cooke, S. J., Cowx, I. G., Franco, A., Gaspar-Dillanes, M. T., Granada, V. P., Hart, R. J., Heinsohn, C. R., . . . Lynch, A. J. (2022). Global dataset of species-specific inland recreational fisheries harvest for consumption. Scientific Data, 9(1), 488. https://doi.org/10.1038/s41597-022-01604-y
Erisman, B. E., AllenLarry, G., ClaisseJeremy, T., Pondella, D. J., Miller, E. F., Murray, J. H., & Walters, C. (2011). The illusion of plenty: hyperstability masks collapses in two recreational fisheries that target fish spawning aggregations. Canadian Journal of Fisheries and Aquatic Sciences, 68(10), 1705-1716. https://doi.org/ 10.1139/f2011-090
FAO. (2012). Recreational Fisheries, FAO Technical Guidelines for Responsible Fisheries No. 13. Rome.
FAO. (2016). The State of World Fisheries and Aquaculture 2016. Contributing to food security and nutrition for all. Rome, 200
Freire, K. M. F., Belhabib, D., Espedido, J. C., Hood, L., Kleisner, K. M., Lam, V. W. L., Machado, M. L., Mendonça, J. T., Meeuwig, J. J., Moro, P. S., Motta, F. S., Palomares, M.-L. D., Smith, N., Teh, L., Zeller, D., Zylich, K., & Pauly, D. (2020). Estimating Global Catches of Marine Recreational Fisheries. Frontiers in Marine Science, 7(12). https://doi.org/ 10.3389/fmars.2020.00012
Godøy, H., Furevik, D., & Løkkeborg, S. (2003). Reduced bycatch of red king crab (Paralithodes camtschaticus) in the gillnet fishery for cod (Gadus morhua) in northern Norway. Fisheries Research, 62(3), 377-384. https://doi.org/10.1016/S0165-7836(02)00281-3
Hastie, T. J., & Tibshirani, R. J. (1990). Generalized Additive Models, Monographs on Statistics and Applied Probability 43. Chapman & Hall (Vol. 9).
Heermann, L., Emmrich, M., Heynen, M., Dorow, M., König, U., Borcherding, J., & Arlinghaus, R. (2013). Explaining recreational angling catch rates of Eurasian perch, Perca fluviatilis: the role of natural and fishing-related environmental factors. Fisheries Management and Ecology, 20(2-3), 187-200. https://doi.org/10.1111/fme.12000
Kuparinen, A., Klefoth, T., & Arlinghaus, R. (2010). Abiotic and fishing-related correlates of angling catch rates in pike (Esox lucius). Fisheries Research, 105(2), 111-117. https://doi.org/ 10.1016/j.fishres.2010.03.011
Lloret J., Zaragoza N., Caballero D. & Riera V. (2008) Biological and socioeconomic implications of recreational boat fishing for the management of fishery resources in the marine reserve of Cap de Creus (NW Mediterranean). Fisheries Research 91, 252–259, https://doi.org/10.1016/j.fishres.2007.12.002.
Makwinja, R., Mengistou, S., Kaunda, E., Alemiew, T., Phiri, T. B., Kosamu, I. B. M., & Kaonga, C. C. (2021). Modeling of Lake Malombe Annual Fish Landings and Catch per Unit Effort (CPUE). Forecasting, 3(1), 39-55. https://doi.org/10.3390/ forecast3010004
McCormick, J. L., & Porter, T. K. (2014). Effect of Fishing Success on Angler Satisfaction on a Central Oregon Rainbow Trout Fishery: Implications for Establishing Management Objectives. North American Journal of Fisheries Management, 34(5), 938-944. https://doi.org/10.1080/02755947.2014.932869
Monk, C. T., & Arlinghaus, R. (2018). Eurasian perch, Perca fluviatilis, spatial behaviour determines vulnerability independent of angler skill in a whole-lake reality mining experiment. Canadian Journal of Fisheries and Aquatic Sciences, 75(3), 417-428. https://doi.org/10.1139/cjfas-2017-0029
Moraga, A. D., Wilson, A. D. M., & Cooke, S. J. (2015). Does lure colour influence catch per unit effort, fish capture size and hooking injury in angled largemouth bass? Fisheries Research, 172, 1-6. https://doi.org/10.1016/j.fishres.2015.06.010
Pawson, M. G., Glenn, H., & Padda, G. (2008). The definition of marine recreational fishing in Europe. Marine Policy, 32(3), 339-350. https://doi.org/ 10.1016/j.marpol.2007.07.001
Pita, P., Hyder, K., Gomes, P., Pita, C., Rangel, M., Veiga, P., Vingada, J., & Villasante, S. (2018). Economic, social and ecological attributes of marine recreational fisheries in Galicia, Spain. Fisheries Research, 208, 58-69. https://doi.org/10.1016/ j.fishres.2018.07.014
Post, J. R., Sullivan, M., Cox, S., Lester, N. P., Walters, C. J., Parkinson, E. A., Paul, A. J., Jackson, L., & Shuter, B. J. (2002). Canada's Recreational Fisheries: The Invisible Collapse? Fisheries, 27(1), 6-17. https://doi.org/10.1577/1548-8446(2002)027< 0006:CRF>2.0.CO;2
Soykan, O., & Cerim, H. (2018). General Aspects of Recreational Angling and Some Estimations on Catch Amounts in Turkey. Düzce University Journal of Science & Technology, 6, 1441-1452, https://doi.org/10.29130/dubited.393756.
Sullivan, M. G. (2003). Active Management of Walleye Fisheries in Alberta: Dilemmas of Managing Recovering Fisheries. North American Journal of Fisheries Management, 23(4), 1343-1358. https://doi.org/10.1577/M01-232AM
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Bazı Amatör Balıkçı Özelliklerinin, Türkiye İç Su Amatör Balıkçılığında Birim Çabaya Düşen Av Miktarı (CPUE) İle İlişkisinin Araştırılması: Uluabat Gölü Örneği

Yıl 2023, , 1387 - 1396, 31.12.2023

Kadir Çapkın , Mehmet Cilbiz

https://doi.org/10.18016/ksutarimdoga.vi.1193781

Öz

Bu çalışmada Uluabat Gölü amatör balıkçılarının bazı sosyal ve demografik özelliklerinin Birim Çabaya Düşen Av Miktarı (CPUE) üzerine etkilerinin belirlenmesi amaçlanmıştır. Nisan 2015 ile Mayıs 2016 döneminde aylık olarak yürütülen saha çalışmalarında amatör balıkçılar ile toplam 375 anket yapılmıştır. Ortalama CPUE her bir balıkçı için 1.36 balık/saat (0.08 – 5.67) olarak tahmin edilmiştir. Verilerin değerlendirilmesinde Genelleştirilmiş Eklemeli Model kullanılmıştır. Modelde kullanılan değişkenler; balıkçı yaşı (X1), balıkçı tecrübesi (X2), yıllık toplam avcılık günü (X3), balıkçılık ekipmanlarının toplam değeri (X4), amatör balıkçının aylık gelir durumu (X5), hanedeki kişi sayısı (X6) ve CPUE (Y)’ dir. Yıllık toplam avcılık günü (X3) hariç diğer tüm değişkenlerin CPUE üzerindeki etkisi istatistiksel olarak önemli bulunmuştur (p<0.05). Amatör balıkçıların aylık gelir düzeyleri, balıkçılık ekipmanlarının toplam değeri ve yıllık toplam avcılık günü CPUE değeri üzerinde olumlu etki göstermiştir.

Anahtar Kelimeler

GAMs, CPUE, Amatör balıkçılık, Rekreasyonel balıkçılık

Proje Numarası

TAGEM/TEAD/16/ A15/P02/006

Kaynakça

Allen, M. S., Ahrens, R. N. M., Hansen, M. J., & Arlinghaus, R. (2013). Dynamic angling effort influences the value of minimum-length limits to prevent recruitment overfishing. Fisheries Management and Ecology, 20(2-3), 247-257. https://doi.org/10.1111/j.1365-2400.2012.00871.x
Almodóvar, A., & Nicola, G. G. (1998). Assessment of a brown trout Salmo trutta population in the River Gallo (central Spain): Angling effects and management implications (Salmonidae). Italian Journal of Zoology, 65(SUPPL.), 539-543. https://doi.org/10.1080/11250009809386881
Anonymous (2020) The circular No. 2020/21, regulating the amateur fisheries in 2020-2024, 17 pp., The Ministry of Agriculture and Forestry, Ankara, Türkiye, Official paper no: 31221 (In Turkish). https://www.mevzuat.gov.tr/ mevzuat? MevzuatNo=34822& MevzuatTur=9&MevzuatTertip=5
Anonymous (2013). A socio-ecomomic analysis of center and west anatolian inland fishermen. (Unpublished project final report). Republic of Türkiye, Ministry of Agriculture and Forestry, General Directory of Agricultural Research and Policies. 90p. Isparta.
Arlinghaus, R., Cooke, S. J., Lyman, J., Policansky, D., Schwab, A., Suski, C., Sutton, S. G., & Thorstad, E. B. (2007). Understanding the Complexity of Catch-and-Release in Recreational Fishing: An Integrative Synthesis of Global Knowledge from Historical, Ethical, Social, and Biological Perspectives. Reviews in Fisheries Science, 15(1-2), 75-167. https://doi.org/10.1080/10641260601149432
Ateşşahin, T. (2021). The effect of artificial lure type and environment conditions on the short‐time post‐release mortality of two recreational fished Luciobarbus species. Journal of Applied Ichthyology. https://doi.org/10.1111/jai.14278
Ateşşahin, T., & Cilbiz, M. (2018). Amateur Fishing License in Turkish Inland Amateur Fishery’. Journal of Limnology and Freshwater Fisheries Research, 4(2), 103-111. https://doi.org/10.17216/ LimnoFish.374113
Ateşşahin, T., & Cilbiz, M. (2019). Some Socio-Demographic Characteristics of Inland Amateur Fishermen: Case of Turkey [in Turkish]. Turkish Journal of Agriculture - Food Science and Technology, 7(1), 134-141.://doi.org/10.24925/ turjaf.v7i1.134-141.2326
Ateşşahin, T., & Cilbiz, M. (2019). The effect of hook size, spinner colour and fishing season on catching efficiency in angling for rainbow trout, Oncorhynchus mykiss (Walbaum, 1792).Pakistan Journal of Zoology, 51(5), 1937-1942.
Ateşşahin, T., Duman, E., & Cilbiz, M. (2015). Selectivity and Catch Efficiency of Three Spinner Hook Sizes in Angling for Rainbow Trout (Oncorhynchus mykiss Walbaum, 1792) in Karakaya Dam Lake (Eastern Turkey). Turkish Journal of Fisheries and Aquatic Sciences, 15(4), 851-859. https://doi.org/10.4194/1303-2712-v15_4_08
Aydın, C., & İlkyaz, A. T. (2021). Catching Performance and Catching Efficiency of Siliconized Baits in Handline Fishery. Journal of Agricultural Sciences (Tarim Bilimleri Dergisi), 27(2), 219-230. https://doi.org/10.15832/ankutbd.606513
Aydın, İ. (2011). Is natural bait type a stochastic process for size and condition of fishes in the recreational fishery of Ιzmir Bay? Mediterranean Marine Science, 12(2), 390-400. https://doi.org/ 10.12681/mms.39
Bellanger, M., & Levrel, H. (2017). A cost-effectiveness analysis of alternative survey methods used for the monitoring of marine recreational fishing in France. Ocean & Coastal Management, 138, 19-28. https://doi.org/10.1016/j.ocecoaman.2017.01.007
Bulut, C., Ramazan, A., Uysal, K., Esengül, K., & Çınar, Ş. (2010). Uluabat Gölü yüzey suyu kalitesinin değerlendirilmesi. Aquatic Sciences and Engineering, 25(1), 9-18.
Cooke S.J. & Cowx I.G. (2004) The role of recreational fisheries in global fish crises. BioScience 54, 857–859, https://doi.org/10.1641/0006-3568(2004)054 [0857:TRORFI]2.0.CO;2
Dedual, M., Sague Pla, O., Arlinghaus, R., Clarke, A., Ferter, K., Geertz Hansen, P., Gerdeaux, D., Hames, F., Kennelly, S. J., Kleiven, A. R., Meraner, A., & Ueberschär, B. (2013). Communication between scientists, fishery managers and recreational fishers: lessons learned from a comparative analysis of international case studies. Fisheries Management and Ecology, 20(2-3), 234-246. https://doi.org/10.1111/fme.12001
Dillon B. A bio-economic review of recreational angling for Bass (Dicentrachus labrax). Scarborough Centre for Coastal Studies, University of Hull, 2004. Elbek A.G., Oktay E.& Saygı H. (2006) Basic statistic in aquaculture [in Turkish], İzmir, Ege Üniversitesi Yayımları, No:19. 308.
E Embke, H. S., Nyboer, E. A., Robertson, A. M., Arlinghaus, R., Akintola, S. L., Atessahin, T., Badr, L. M., Baigun, C., Basher, Z., Beard, T. D., Boros, G., Bower, S. D., Cooke, S. J., Cowx, I. G., Franco, A., Gaspar-Dillanes, M. T., Granada, V. P., Hart, R. J., Heinsohn, C. R., . . . Lynch, A. J. (2022). Global dataset of species-specific inland recreational fisheries harvest for consumption. Scientific Data, 9(1), 488. https://doi.org/10.1038/s41597-022-01604-y
Erisman, B. E., AllenLarry, G., ClaisseJeremy, T., Pondella, D. J., Miller, E. F., Murray, J. H., & Walters, C. (2011). The illusion of plenty: hyperstability masks collapses in two recreational fisheries that target fish spawning aggregations. Canadian Journal of Fisheries and Aquatic Sciences, 68(10), 1705-1716. https://doi.org/ 10.1139/f2011-090
FAO. (2012). Recreational Fisheries, FAO Technical Guidelines for Responsible Fisheries No. 13. Rome.
FAO. (2016). The State of World Fisheries and Aquaculture 2016. Contributing to food security and nutrition for all. Rome, 200
Freire, K. M. F., Belhabib, D., Espedido, J. C., Hood, L., Kleisner, K. M., Lam, V. W. L., Machado, M. L., Mendonça, J. T., Meeuwig, J. J., Moro, P. S., Motta, F. S., Palomares, M.-L. D., Smith, N., Teh, L., Zeller, D., Zylich, K., & Pauly, D. (2020). Estimating Global Catches of Marine Recreational Fisheries. Frontiers in Marine Science, 7(12). https://doi.org/ 10.3389/fmars.2020.00012
Godøy, H., Furevik, D., & Løkkeborg, S. (2003). Reduced bycatch of red king crab (Paralithodes camtschaticus) in the gillnet fishery for cod (Gadus morhua) in northern Norway. Fisheries Research, 62(3), 377-384. https://doi.org/10.1016/S0165-7836(02)00281-3
Hastie, T. J., & Tibshirani, R. J. (1990). Generalized Additive Models, Monographs on Statistics and Applied Probability 43. Chapman & Hall (Vol. 9).
Heermann, L., Emmrich, M., Heynen, M., Dorow, M., König, U., Borcherding, J., & Arlinghaus, R. (2013). Explaining recreational angling catch rates of Eurasian perch, Perca fluviatilis: the role of natural and fishing-related environmental factors. Fisheries Management and Ecology, 20(2-3), 187-200. https://doi.org/10.1111/fme.12000
Kuparinen, A., Klefoth, T., & Arlinghaus, R. (2010). Abiotic and fishing-related correlates of angling catch rates in pike (Esox lucius). Fisheries Research, 105(2), 111-117. https://doi.org/ 10.1016/j.fishres.2010.03.011
Lloret J., Zaragoza N., Caballero D. & Riera V. (2008) Biological and socioeconomic implications of recreational boat fishing for the management of fishery resources in the marine reserve of Cap de Creus (NW Mediterranean). Fisheries Research 91, 252–259, https://doi.org/10.1016/j.fishres.2007.12.002.
Makwinja, R., Mengistou, S., Kaunda, E., Alemiew, T., Phiri, T. B., Kosamu, I. B. M., & Kaonga, C. C. (2021). Modeling of Lake Malombe Annual Fish Landings and Catch per Unit Effort (CPUE). Forecasting, 3(1), 39-55. https://doi.org/10.3390/ forecast3010004
McCormick, J. L., & Porter, T. K. (2014). Effect of Fishing Success on Angler Satisfaction on a Central Oregon Rainbow Trout Fishery: Implications for Establishing Management Objectives. North American Journal of Fisheries Management, 34(5), 938-944. https://doi.org/10.1080/02755947.2014.932869
Monk, C. T., & Arlinghaus, R. (2018). Eurasian perch, Perca fluviatilis, spatial behaviour determines vulnerability independent of angler skill in a whole-lake reality mining experiment. Canadian Journal of Fisheries and Aquatic Sciences, 75(3), 417-428. https://doi.org/10.1139/cjfas-2017-0029
Moraga, A. D., Wilson, A. D. M., & Cooke, S. J. (2015). Does lure colour influence catch per unit effort, fish capture size and hooking injury in angled largemouth bass? Fisheries Research, 172, 1-6. https://doi.org/10.1016/j.fishres.2015.06.010
Pawson, M. G., Glenn, H., & Padda, G. (2008). The definition of marine recreational fishing in Europe. Marine Policy, 32(3), 339-350. https://doi.org/ 10.1016/j.marpol.2007.07.001
Pita, P., Hyder, K., Gomes, P., Pita, C., Rangel, M., Veiga, P., Vingada, J., & Villasante, S. (2018). Economic, social and ecological attributes of marine recreational fisheries in Galicia, Spain. Fisheries Research, 208, 58-69. https://doi.org/10.1016/ j.fishres.2018.07.014
Post, J. R., Sullivan, M., Cox, S., Lester, N. P., Walters, C. J., Parkinson, E. A., Paul, A. J., Jackson, L., & Shuter, B. J. (2002). Canada's Recreational Fisheries: The Invisible Collapse? Fisheries, 27(1), 6-17. https://doi.org/10.1577/1548-8446(2002)027< 0006:CRF>2.0.CO;2
Soykan, O., & Cerim, H. (2018). General Aspects of Recreational Angling and Some Estimations on Catch Amounts in Turkey. Düzce University Journal of Science & Technology, 6, 1441-1452, https://doi.org/10.29130/dubited.393756.
Sullivan, M. G. (2003). Active Management of Walleye Fisheries in Alberta: Dilemmas of Managing Recovering Fisheries. North American Journal of Fisheries Management, 23(4), 1343-1358. https://doi.org/10.1577/M01-232AM
Wilberding, M. C., & Hafs, A. W. (2013). Angler catch-per-unit-effort in restored and reference sections of the Merced River, California: A preliminary analysis. California Fish and Game, 99(3), 149-154. http://www.scopus.com/inward/record.url?eid=2-s2.0-84891946448&partnerID=40&md5= 64d2626bbe9a8b1b13d7dfa12ef9a3ed
Wood S.N., Pya, N. & Saefken, B. (2016) Smoothing parameter and model selection for general smooth models (with discussion). Journal of the American Statistical Association, 111:1548-1575, https:// doi.org/10.1080/01621459.2016.1180986.
Wood, S.N. (2003) Thin-plate regression splines. Journal of the Royal Statistical Society (B) 65(1):95-114, http://www.jstor.org/stable/3088828.
Wood, S.N. (2004) Stable and efficient multiple smoothing parameter estimation for generalized additive models. Journal of the American Statistical Association. 99:673-686.
Wood, S.N. (2011) Fast stable restricted maximum likelihood and marginal likelihood estimation of semiparametric generalized linear models. Journal of the Royal Statistical Society (B) 73(1):3-36, http://www.jstor.org/stable/41057423.
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Yurtseven, I., & Randhir, T. O. (2020). Multivariate assessment of spatial and temporal variations in irrigation water quality in Lake Uluabat watershed of Turkey. Environmental Monitoring and Assessment, 192(12), 793. https://doi.org/10.1007/ s10661-020-08723-2

Toplam 44 adet kaynakça vardır.

Ayrıntılar

Birincil Dil	İngilizce
Konular	Yapısal Biyoloji , Ziraat, Veterinerlik ve Gıda Bilimleri
Bölüm	ARAŞTIRMA MAKALESİ (Research Article)
Yazarlar	Kadir Çapkın 0000-0002-6822-6896 Mehmet Cilbiz 0000-0002-7686-7570
Proje Numarası	TAGEM/TEAD/16/ A15/P02/006
Erken Görünüm Tarihi	14 Haziran 2023
Yayımlanma Tarihi	31 Aralık 2023
Gönderilme Tarihi	24 Ekim 2022
Kabul Tarihi	11 Mayıs 2023
Yayımlandığı Sayı	Yıl 2023

Kaynak Göster

APA	Çapkın, K., & Cilbiz, M. (2023). Investigating Relationships Between Catch Per Unit Effort (CPUE) and Some Angler Characteristics in the Turkish Inland Recreational Fisheries: A Case Study from Uluabat Lake. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 26(6), 1387-1396. https://doi.org/10.18016/ksutarimdoga.vi.1193781