REMARKS ON SMALL-SCALE FISHERIES IN THE LOWER SAKARYA RIVER (TURKEY): EXPLOITED SPECIES AND CATCH PER UNIT EFFORT (CPUE)

Hasan Cerim; İsmail Reis; Celal Ateş

doi:10.3153/AR19018

EN

REMARKS ON SMALL-SCALE FISHERIES IN THE LOWER SAKARYA RIVER (TURKEY): EXPLOITED SPECIES AND CATCH PER UNIT EFFORT (CPUE)

Abstract

The aim of this study was to determine the exploitation of 7 freshwater species, Freshwater bream (Abramis brama Linnaeus, 1758), Vimba bream (Vimba vimba Linnaeus, 1758), Wels catfish (Silurus glanis Linnaeus, 1758), Roach (Rutilus rutilus Linnaeus, 1758), European perch (Perca fluviatilis Linnaeus, 1758), Prussian carp (Carassius gibelio Bloch, 1782) and White bream (Blicca bjoerkna Linnaeus, 1758), from Lower Sakarya River, Turkey. Samplings were conducted from June 2017 to May 2018. Length-based estimations were evaluated in FiSAT II software. Total (Z), natural (M), fishing (F_curr) mortality, exploitation rate (E_curr) and CPUEs of all 7 species were determined. Results showed that almost all reference points stayed below the natural and fisheries mortality values. Besides overfishing, pollutants (chemical, physical and biological) and changes in the river morphology may affect the fish populations. Study results could be used for further fisheries management applications.

Keywords

Fisheries management,Small-scale freshwater fisheries,Exploitation,CPUE,Sakarya River

Supporting Institution

Muğla Sıtkı Koçman Üniversitesi

Project Number

BAP 17/073

Thanks

We would like to thank to Burak YABA and Cihan BULUT for grammar check of manuscript.

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Details

Primary Language

English

Subjects

Hydrobiology

Journal Section

Research Article

Authors

Hasan Cerim ^*
0000-0003-3025-1444
Türkiye

İsmail Reis
0000-0003-4599-6780
Türkiye

Celal Ateş
0000-0003-0533-4512
Türkiye

Publication Date

October 1, 2019

Submission Date

September 10, 2019

Acceptance Date

September 23, 2019

Published in Issue

Year 1970 Volume: 2 Number: 4

DOI

https://doi.org/10.3153/AR19018

IZ

https://izlik.org/JA94BM69CF

Cite

RIS / Bibtex

APA

Cerim, H., Reis, İ., & Ateş, C. (2019). REMARKS ON SMALL-SCALE FISHERIES IN THE LOWER SAKARYA RIVER (TURKEY): EXPLOITED SPECIES AND CATCH PER UNIT EFFORT (CPUE). Aquatic Research, 2(4), 191-199. https://doi.org/10.3153/AR19018

Öz

REMARKS ON SMALL-SCALE FISHERIES IN THE LOWER SAKARYA RIVER (TURKEY): EXPLOITED SPECIES AND CATCH PER UNIT EFFORT (CPUE)

Abstract

Keywords

Supporting Institution

Project Number

Thanks

References

Details

Primary Language

Subjects

Journal Section

Authors

Publication Date

Submission Date

Acceptance Date

Published in Issue

DOI

IZ

Cite