Investigation of the Relationship between Body Length and Live Weight of the Pikeperch (Sander Lucioperca Linnaeus, 1758) in Beyşehir Lake Population

Yasin Altay; Nazire Mıkaıl; İbrahim Aytekin

doi:10.18016/ksutarimdoga.vi.1014573

EN TR

Investigation of the Relationship between Body Length and Live Weight of the Pikeperch (Sander Lucioperca Linnaeus, 1758) in Beyşehir Lake Population

Abstract

The aim of this study is to examine the relationship between the total length and standard lengths with live weight of the freshwater pikeperch growing in the Beyşehir Lake population using four mathematical models. 50 female fish materials of marketable size limit age were used. The data obtained were divided into two groups: estimation (70%) and test (30%). The applied models are exponential decay, exponential and Wood models, and in such research generally preferred power model. R2, R2adj, RMSE, AIC, BIC and MAPE values were used as goodness of fit tests and comparison criteria of the models. According to the study results, the total length gives more accurate estimates than a standard length in the estimating live weight. As a result, it was concluded that other models might provide better results than the power model, and they were suggested to be used in estimating the live weight of pikeperch fish.

Keywords

Beyşehir Gölü Populasyonundaki Sudak (Sander Lucioperca Linnaeus, 1758) Balıklarının Vücut Uzunluğu ile Canlı Ağırlıkları Arasındaki İlişkilerin Matematiksel Modellerle İncelenmesi

Öz

Bu çalışmanın amacı, Beyşehir Gölü popülasyonunda yetişen tatlı su levreklerinin total boy ve standart boylarının canlı ağırlık ile ilişkisini dört matematiksel model kullanarak incelemektir. Bunun için pazarlabilir boy limiti çağında bulunan 50 dişi balık materyali kullanıldı. Elde edilen veriler tahmin (%70) ve test (%30) verileri olmak üzere iki gruba ayrıldı. Uygulanan modeller üstel azalma, üstel ve Wood modelleri olmakla birlikte bu tür araştırmalarda genellikle tercih edilen güç modelidir. Modellerin karşılaştırma kriterleri ve uyum iyiliği testleri olarak R2, R2adj, RMSE, AIC, BIC ve MAPE değerleri kullanılmıştır. Çalışma sonuçlarına göre, total boy, canlı ağırlık tahmininde standart boydan daha doğru tahminler yapmaktadır. Sonuç olarak, diğer modellerin güç modelinden daha iyi sonuçlar verebileceği sonucuna varılmış ve su levreklerinin canlı ağırlığının tahmininde kullanılması önerilmiştir.

Anahtar Kelimeler

References

Anderson, R. O., & Neumann, R.M. (1996). Length, weight, and associated structural indices. In: BR. Murphy, D. W. Willis (Eds.), Fisheries techniques, 2nd edition. American Fisheries Society, Bethesda, Maryland, 447-481.
Anonymous, (2008). Ministry of agriculture and rural affairs official newspaper publication no: 2/2 of the communiqué regulating fishing for amateur (sportive) purposes (Notification no: 2008/49).
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Details

Primary Language

English

Subjects

Agricultural, Veterinary and Food Sciences

Journal Section

Research Article

Authors

Yasin Altay ^*
0000-0003-4049-8301
Türkiye

Nazire Mıkaıl
0000-0002-8996-9330
Türkiye

İbrahim Aytekin
0000-0001-7769-0685
Türkiye

Publication Date

April 30, 2023

Submission Date

October 25, 2021

Acceptance Date

January 14, 2022

Published in Issue

Year 2023 Volume: 26 Number: 2

DOI

https://doi.org/10.18016/ksutarimdoga.vi.1014573

IZ

https://izlik.org/JA38TK92UW

Cite

RIS / Bibtex

APA

Altay, Y., Mıkaıl, N., & Aytekin, İ. (2023). Investigation of the Relationship between Body Length and Live Weight of the Pikeperch (Sander Lucioperca Linnaeus, 1758) in Beyşehir Lake Population. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 26(2), 430-436. https://doi.org/10.18016/ksutarimdoga.vi.1014573