Year 2019, Volume 2, Issue 2, Pages 61 - 72 2019-04-01

POTENTIAL ENVIRONMENTAL IMPACTS OF TUNA CAGE FARMING IN THE AEGEAN SEA

Rıdvan Kaan Gürses [1] , Yeşim Büyükateş [2] , Murat Yiğit [3] , Sebahattin Ergün [4] , A. Suat Ateş [5] , H. Göksel Özdilek [6]

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The present study aimed to investigate the potential impacts of Atlantic Bluefin Tuna (Thunnus thynnus) farming in offshore cage systems in the Aegean Sea (Sığacık Bay-Izmir, Turkey), in respect to physico-chemical water quality parameters, nutrient loads, chlorophyll-a, total suspended solids, zooplankton groups, and TRIX index calculations for the potentially affected cage farm area and an unaffected reference site. Concentrations of physico-chemical variables (temperature, salinity, dissolved oxygen, pH) in the study carried out in May and August 2018, were within the acceptable limits for marine aquaculture in terms of water quality characteristics. The concentrations of PO4-P, NH4-N, and NO2-N showed no temporal or spatial changes, and were recorded below 0.01 mg/L (<0.01) for PO4-P and NH4-N, whereas lower than 0.005 mg/L (<0.005) for NO2-N values in both cage and reference stations in May and August 2018 periods. Results showed low levels of TSS (0.33-11.87 mg/L), both in the cage farm area and the reference site, remaining below the general quality criteria of 30 mg/L for marine environment. No eutrophication risk (TRIX index, T<4) was observed around the Tuna Cage Farm Site in Sığacık Bay, according to the legislations enacted for “Sensitive Areas of Enclosed Bays where fish farms are not allowed”. Based on these findings, demonstrating highly interactive trophic level variability, it can be concluded that the impacts of the Tuna Cage Farm were not significant, possibly due to the consistent movement of the water in currents in the study area.

Tuna farming, Cage aquaculture, Environmental impact, Water quality
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Primary Language en
Subjects Marine and Freshwater Biology, Engineering, Marine
Journal Section Research Articles
Authors

Orcid: 0000-0001-5951-2308
Author: Rıdvan Kaan Gürses
Institution: Canakkale Onsekiz Mart University, Faculty of Marine Science, Department of Marine Science, 17100 - Canakkale
Country: Turkey


Orcid: 0000-0002-4402-4587
Author: Yeşim Büyükateş (Primary Author)
Institution: Canakkale Onsekiz Mart University, Faculty of Marine Science, Department of Marine Science, 17100 - Canakkale
Country: Turkey


Orcid: 0000-0001-8086-9125
Author: Murat Yiğit
Institution: Canakkale Onsekiz Mart University, Faculty of Marine Science, Department of Marine Technology Engineering, 17100 - Canakkale
Country: Turkey


Orcid: 0000-0002-9077-9438
Author: Sebahattin Ergün
Institution: Canakkale Onsekiz Mart University, Faculty of Marine Science, Department of Aquaculture, 17100 - Canakkale
Country: Turkey


Orcid: 0000-0002-4682-1926
Author: A. Suat Ateş
Institution: Canakkale Onsekiz Mart University, Faculty of Marine Science, Department of Marine Sci-ence, 17100 - Canakkale
Country: Turkey


Orcid: 0000-0001-9740-9758
Author: H. Göksel Özdilek
Institution: Canakkale Onsekiz Mart University, Faculty of Engineering, Department of Environmental Engineering, 17100 - Canakkale
Country: Turkey


Bibtex @research article { aquatres528479, journal = {AQUATIC RESEARCH}, issn = {}, eissn = {2618-6365}, address = {ScientificWebJournals}, year = {2019}, volume = {2}, pages = {61 - 72}, doi = {10.3153/AR19008}, title = {POTENTIAL ENVIRONMENTAL IMPACTS OF TUNA CAGE FARMING IN THE AEGEAN SEA}, key = {cite}, author = {Gürses, Rıdvan Kaan and Büyükateş, Yeşim and Yiğit, Murat and Ergün, Sebahattin and Ateş, A. Suat and Özdilek, H. Göksel} }
APA Gürses, R , Büyükateş, Y , Yiğit, M , Ergün, S , Ateş, A , Özdilek, H . (2019). POTENTIAL ENVIRONMENTAL IMPACTS OF TUNA CAGE FARMING IN THE AEGEAN SEA. AQUATIC RESEARCH, 2 (2), 61-72. DOI: 10.3153/AR19008
MLA Gürses, R , Büyükateş, Y , Yiğit, M , Ergün, S , Ateş, A , Özdilek, H . "POTENTIAL ENVIRONMENTAL IMPACTS OF TUNA CAGE FARMING IN THE AEGEAN SEA". AQUATIC RESEARCH 2 (2019): 61-72 <http://aquatres.scientificwebjournals.com/issue/43060/528479>
Chicago Gürses, R , Büyükateş, Y , Yiğit, M , Ergün, S , Ateş, A , Özdilek, H . "POTENTIAL ENVIRONMENTAL IMPACTS OF TUNA CAGE FARMING IN THE AEGEAN SEA". AQUATIC RESEARCH 2 (2019): 61-72
RIS TY - JOUR T1 - POTENTIAL ENVIRONMENTAL IMPACTS OF TUNA CAGE FARMING IN THE AEGEAN SEA AU - Rıdvan Kaan Gürses , Yeşim Büyükateş , Murat Yiğit , Sebahattin Ergün , A. Suat Ateş , H. Göksel Özdilek Y1 - 2019 PY - 2019 N1 - doi: 10.3153/AR19008 DO - 10.3153/AR19008 T2 - AQUATIC RESEARCH JF - Journal JO - JOR SP - 61 EP - 72 VL - 2 IS - 2 SN - -2618-6365 M3 - doi: 10.3153/AR19008 UR - https://doi.org/10.3153/AR19008 Y2 - 2019 ER -
EndNote %0 AQUATIC RESEARCH POTENTIAL ENVIRONMENTAL IMPACTS OF TUNA CAGE FARMING IN THE AEGEAN SEA %A Rıdvan Kaan Gürses , Yeşim Büyükateş , Murat Yiğit , Sebahattin Ergün , A. Suat Ateş , H. Göksel Özdilek %T POTENTIAL ENVIRONMENTAL IMPACTS OF TUNA CAGE FARMING IN THE AEGEAN SEA %D 2019 %J AQUATIC RESEARCH %P -2618-6365 %V 2 %N 2 %R doi: 10.3153/AR19008 %U 10.3153/AR19008
ISNAD Gürses, Rıdvan Kaan , Büyükateş, Yeşim , Yiğit, Murat , Ergün, Sebahattin , Ateş, A. Suat , Özdilek, H. Göksel . "POTENTIAL ENVIRONMENTAL IMPACTS OF TUNA CAGE FARMING IN THE AEGEAN SEA". AQUATIC RESEARCH 2 / 2 (April 2019): 61-72. https://doi.org/10.3153/AR19008