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Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025)

Sayı: 2026 23 Eylül 2026
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Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025)

Öz

The aim of this study was to statistically examine the production trends and annual fluctuations of major non-fish marine capture groups in Türkiye during 2016–2025. The research was designed as a descriptive trend analysis based on secondary data published by the Turkish Statistical Institute (TurkStat). Annual growth rates, Compound Annual Growth Rate (CAGR), standard deviation, coefficient of variation, and simple linear regression models were used to evaluate production dynamics. The findings indicated an average annual contraction of 1.85% in the total catch of non-fish marine products during the study period. However, the linear trend model for total production was not statistically significant at the 5% level (p=0.062; R²=0.370). A more pronounced decline was observed in sea snail production (CAGR: -5.00%), and the corresponding model was statistically significant (p=0.032; R²=0.458). In contrast, the high-value species group composed of octopus, squid, and shrimp subtypes exhibited low volatility (CV: 7.09%) and a non-significant linear trend (p=0.737), indicating a relatively more stable production pattern. In conclusion, non-fish marine capture fisheries in Türkiye show an overall downward tendency at the aggregate level; however, clear differences exist among species groups in terms of contraction, growth, and production volatility. These findings suggest that the sector should be monitored not only through total production levels but also through species-specific assessments.

Anahtar Kelimeler

Fisheries statistics, CAGR, linear trend analysis, coefficient of variation, crustaceans, molluscs

Etik Beyan

The authors declare that this article does not involve any studies on living organisms and is a statistical analysis; therefore, it does not require ethical committee approval.

Kaynakça

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Kaynak Göster

APA
Olgunoğlu, İ. A., Olgunoğlu, M. P., Ukav, İ., & Göçer, M. (2026). Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025). Journal of Anatolian Environmental and Animal Sciences, 2026. https://doi.org/10.35229/jaes.1976247
AMA
1.Olgunoğlu İA, Olgunoğlu MP, Ukav İ, Göçer M. Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025). Journal of Anatolian Environmental and Animal Sciences. 2026;(2026). doi:10.35229/jaes.1976247
Chicago
Olgunoğlu, İlkan Ali, Mine Perçin Olgunoğlu, İsmail Ukav, ve Mustafa Göçer. 2026. “Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025)”. Journal of Anatolian Environmental and Animal Sciences, sy 2026. https://doi.org/10.35229/jaes.1976247.
EndNote
Olgunoğlu İA, Olgunoğlu MP, Ukav İ, Göçer M (01 Eylül 2026) Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025). Journal of Anatolian Environmental and Animal Sciences 2026
IEEE
[1]İ. A. Olgunoğlu, M. P. Olgunoğlu, İ. Ukav, ve M. Göçer, “Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025)”, Journal of Anatolian Environmental and Animal Sciences, sy 2026, Eyl. 2026, doi: 10.35229/jaes.1976247.
ISNAD
Olgunoğlu, İlkan Ali - Olgunoğlu, Mine Perçin - Ukav, İsmail - Göçer, Mustafa. “Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025)”. Journal of Anatolian Environmental and Animal Sciences. 2026 (01 Eylül 2026). https://doi.org/10.35229/jaes.1976247.
JAMA
1.Olgunoğlu İA, Olgunoğlu MP, Ukav İ, Göçer M. Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025). Journal of Anatolian Environmental and Animal Sciences. 2026. doi:10.35229/jaes.1976247.
MLA
Olgunoğlu, İlkan Ali, vd. “Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025)”. Journal of Anatolian Environmental and Animal Sciences, sy 2026, Eylül 2026, doi:10.35229/jaes.1976247.
Vancouver
1.İlkan Ali Olgunoğlu, Mine Perçin Olgunoğlu, İsmail Ukav, Mustafa Göçer. Production Trends and Volatility Analysis in Non-Fish Marine Capture Fisheries in Türkiye (2016–2025). Journal of Anatolian Environmental and Animal Sciences. 01 Eylül 2026;(2026). doi:10.35229/jaes.1976247