Aquaculture Farming Effect on Benthic Respiration and Nutrient Flux in Semi-Enclosed Coastal Waters of Korea
Sediment oxygen demand (SOD) and benthic nutrient fluxes (BNFs) were measured using an in situ benthic chamber at a fish farm (FF), oyster farm (OF), and controls (FF-C and OF-C) to assess the impact of aquaculture activities on organic carbon (OC) and nutrients cycles in coastal waters of Korea. Th...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-05-01
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| Series: | Journal of Marine Science and Engineering |
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| Online Access: | https://www.mdpi.com/2077-1312/9/5/554 |
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| author | Sung-Han Kim Jae-Seong Lee Kyung-Tae Kim Hyung-Chul Kim Won-Chan Lee Dongmun Choi Sang-Hwa Choi Jae-Hoon Choi Hyo-Jin Lee Jae-Hyuk Shin |
| author_facet | Sung-Han Kim Jae-Seong Lee Kyung-Tae Kim Hyung-Chul Kim Won-Chan Lee Dongmun Choi Sang-Hwa Choi Jae-Hoon Choi Hyo-Jin Lee Jae-Hyuk Shin |
| author_sort | Sung-Han Kim |
| collection | DOAJ |
| description | Sediment oxygen demand (SOD) and benthic nutrient fluxes (BNFs) were measured using an in situ benthic chamber at a fish farm (FF), oyster farm (OF), and controls (FF-C and OF-C) to assess the impact of aquaculture activities on organic carbon (OC) and nutrients cycles in coastal waters of Korea. The SOD at FF and OF ranged from 60 ± 2 to 157 ± 3 mmol m<sup>−2</sup> d<sup>−1</sup> and from 77 ± 14 to 84 ± 16 mmol m<sup>−2</sup> d<sup>−1</sup>, respectively, more than five times those of the control sites. The SOD at farm sites is highly correlated with fish stock and food input, suggesting that excess feed input is an important control factor for OC remineralization. The combined analysis of sediment trap and SOD indicates that most of the deposited OC oxidized in the sediment and/or was laterally transported by the current before being buried in the sediment. The benthic nutrient fluxes at farms ranged from 5.45 to 8.95 mmol N m<sup>−2</sup> d<sup>−1</sup> for nitrogen and from 0.51 to 1.67 mmol P m<sup>−2</sup> d<sup>−1</sup> for phosphate, respectively, accounting for 37–270% and 52–804% of the N and P required for primary production in the water column. These results indicate that aquaculture farming may profoundly impact biogeochemical cycles in coastal waters. |
| first_indexed | 2024-03-10T11:12:39Z |
| format | Article |
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| institution | Directory Open Access Journal |
| issn | 2077-1312 |
| language | English |
| last_indexed | 2024-03-10T11:12:39Z |
| publishDate | 2021-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Journal of Marine Science and Engineering |
| spelling | doaj.art-d5aa4879b83d47b1b0d62b3b3a3fb9e52023-11-21T20:40:26ZengMDPI AGJournal of Marine Science and Engineering2077-13122021-05-019555410.3390/jmse9050554Aquaculture Farming Effect on Benthic Respiration and Nutrient Flux in Semi-Enclosed Coastal Waters of KoreaSung-Han Kim0Jae-Seong Lee1Kyung-Tae Kim2Hyung-Chul Kim3Won-Chan Lee4Dongmun Choi5Sang-Hwa Choi6Jae-Hoon Choi7Hyo-Jin Lee8Jae-Hyuk Shin9Marine Environment Research Center, Korea Institute of Ocean Science and Technology, 385, Haeyang-ro, Yengdo-gu, Busan 49111, KoreaMarine Environment Research Center, Korea Institute of Ocean Science and Technology, 385, Haeyang-ro, Yengdo-gu, Busan 49111, KoreaMarine Environment Research Center, Korea Institute of Ocean Science and Technology, 385, Haeyang-ro, Yengdo-gu, Busan 49111, KoreaResearch and Development Planning Division, National Institute of Fisheries Science, 216 Gijanghaean-ro, Gijang-eup, Busan 46083, KoreaMarine Environmental Research Division, National Institute of Fisheries Science, 216 Gijanghaean-ro, Gijang-eup, Busan 46083, KoreaMarine Bio-Resources Research Unit, Korea Institute of Ocean Science and Technology, 385, Haeyang-ro, Yengdo-gu, Busan 49111, KoreaInstrumental Development and Management Center, Korea Institute of Ocean Science and Technology, 385, Haeyang-ro, Yengdo-gu, Busan 49111, KoreaDepartment of Environmental Chemistry and Ecology, Geosystem Research Corporation, 172 LS-ro, Gunpo-si 15807, KoreaDepartment of Environmental Chemistry and Ecology, Geosystem Research Corporation, 172 LS-ro, Gunpo-si 15807, KoreaDepartment of Environmental Chemistry and Ecology, Geosystem Research Corporation, 172 LS-ro, Gunpo-si 15807, KoreaSediment oxygen demand (SOD) and benthic nutrient fluxes (BNFs) were measured using an in situ benthic chamber at a fish farm (FF), oyster farm (OF), and controls (FF-C and OF-C) to assess the impact of aquaculture activities on organic carbon (OC) and nutrients cycles in coastal waters of Korea. The SOD at FF and OF ranged from 60 ± 2 to 157 ± 3 mmol m<sup>−2</sup> d<sup>−1</sup> and from 77 ± 14 to 84 ± 16 mmol m<sup>−2</sup> d<sup>−1</sup>, respectively, more than five times those of the control sites. The SOD at farm sites is highly correlated with fish stock and food input, suggesting that excess feed input is an important control factor for OC remineralization. The combined analysis of sediment trap and SOD indicates that most of the deposited OC oxidized in the sediment and/or was laterally transported by the current before being buried in the sediment. The benthic nutrient fluxes at farms ranged from 5.45 to 8.95 mmol N m<sup>−2</sup> d<sup>−1</sup> for nitrogen and from 0.51 to 1.67 mmol P m<sup>−2</sup> d<sup>−1</sup> for phosphate, respectively, accounting for 37–270% and 52–804% of the N and P required for primary production in the water column. These results indicate that aquaculture farming may profoundly impact biogeochemical cycles in coastal waters.https://www.mdpi.com/2077-1312/9/5/554aquaculturesediment oxygen demandorganic carbon remineralizationbenthic nutrient fluxcarbon cyclenutrient cycle |
| spellingShingle | Sung-Han Kim Jae-Seong Lee Kyung-Tae Kim Hyung-Chul Kim Won-Chan Lee Dongmun Choi Sang-Hwa Choi Jae-Hoon Choi Hyo-Jin Lee Jae-Hyuk Shin Aquaculture Farming Effect on Benthic Respiration and Nutrient Flux in Semi-Enclosed Coastal Waters of Korea Journal of Marine Science and Engineering aquaculture sediment oxygen demand organic carbon remineralization benthic nutrient flux carbon cycle nutrient cycle |
| title | Aquaculture Farming Effect on Benthic Respiration and Nutrient Flux in Semi-Enclosed Coastal Waters of Korea |
| title_full | Aquaculture Farming Effect on Benthic Respiration and Nutrient Flux in Semi-Enclosed Coastal Waters of Korea |
| title_fullStr | Aquaculture Farming Effect on Benthic Respiration and Nutrient Flux in Semi-Enclosed Coastal Waters of Korea |
| title_full_unstemmed | Aquaculture Farming Effect on Benthic Respiration and Nutrient Flux in Semi-Enclosed Coastal Waters of Korea |
| title_short | Aquaculture Farming Effect on Benthic Respiration and Nutrient Flux in Semi-Enclosed Coastal Waters of Korea |
| title_sort | aquaculture farming effect on benthic respiration and nutrient flux in semi enclosed coastal waters of korea |
| topic | aquaculture sediment oxygen demand organic carbon remineralization benthic nutrient flux carbon cycle nutrient cycle |
| url | https://www.mdpi.com/2077-1312/9/5/554 |
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