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

TR EN

Bazı Amatör Balıkçı Özelliklerinin, Türkiye İç Su Amatör Balıkçılığında Birim Çabaya Düşen Av Miktarı (CPUE) İle İlişkisinin Araştırılması: Uluabat Gölü Örneği

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

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

Abstract

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.

Keywords

Supporting Institution

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

Project Number

TAGEM/TEAD/16/ A15/P02/006

Thanks

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].

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Details

Primary Language

English

Subjects

Structural Biology , Agricultural, Veterinary and Food Sciences

Journal Section

Research Article

Authors

Kadir Çapkın
0000-0002-6822-6896
Türkiye

Mehmet Cilbiz ^*
0000-0002-7686-7570
Türkiye

Early Pub Date

June 14, 2023

Publication Date

December 31, 2023

Submission Date

October 24, 2022

Acceptance Date

May 11, 2023

Published in Issue

Year 2023 Volume: 26 Number: 6

DOI

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

IZ

https://izlik.org/JA27FJ76NG

Cite

RIS / Bibtex

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