Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island
To investigate the nutrient distribution characteristics and the eutrophication status of the main fishing ports in Hainan Province, this study analyzed the 2021 seawater quality indicators, including biochemical oxygen demand (BOD5), chemical oxygen demand (COD), chlorophyll a (Chl a), ammonia nitr...
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| Format: | Article |
| Language: | English |
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EDP Sciences
2025-01-01
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| Series: | E3S Web of Conferences |
| Online Access: | https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/03/e3sconf_isgst2024_01020.pdf |
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| author | Ren Bingnan Geng Jing Qin Dajun Yang Bo |
| author_facet | Ren Bingnan Geng Jing Qin Dajun Yang Bo |
| author_sort | Ren Bingnan |
| collection | DOAJ |
| description | To investigate the nutrient distribution characteristics and the eutrophication status of the main fishing ports in Hainan Province, this study analyzed the 2021 seawater quality indicators, including biochemical oxygen demand (BOD5), chemical oxygen demand (COD), chlorophyll a (Chl a), ammonia nitrogen (NH4-N), nitrite nitrogen (NO2-N), nitrate nitrogen (NO3-N), and soluble active phosphate (DIP). The single-factor contaminant index method was employed to evaluate the water quality, revealing that the levels of COD, BOD5, and DIP surpass the national seawater quality standards for Type IV. The eutrophication index (EI) of the different fishing ports ranges from 2.38 to 56.29, indicating a high level of eutrophication. |
| format | Article |
| id | doaj-art-01e588ec25a948eb82406ad999bacba8 |
| institution | Kabale University |
| issn | 2267-1242 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | E3S Web of Conferences |
| spelling | doaj-art-01e588ec25a948eb82406ad999bacba82025-02-05T10:47:33ZengEDP SciencesE3S Web of Conferences2267-12422025-01-016030102010.1051/e3sconf/202560301020e3sconf_isgst2024_01020Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan islandRen Bingnan0Geng Jing1Qin Dajun2Yang Bo3Zhai Mingguo Academician Workstation, School of Engineering and Technology, University of SanyaZhai Mingguo Academician Workstation, School of Engineering and Technology, University of SanyaZhai Mingguo Academician Workstation, School of Engineering and Technology, University of SanyaZhai Mingguo Academician Workstation, School of Engineering and Technology, University of SanyaTo investigate the nutrient distribution characteristics and the eutrophication status of the main fishing ports in Hainan Province, this study analyzed the 2021 seawater quality indicators, including biochemical oxygen demand (BOD5), chemical oxygen demand (COD), chlorophyll a (Chl a), ammonia nitrogen (NH4-N), nitrite nitrogen (NO2-N), nitrate nitrogen (NO3-N), and soluble active phosphate (DIP). The single-factor contaminant index method was employed to evaluate the water quality, revealing that the levels of COD, BOD5, and DIP surpass the national seawater quality standards for Type IV. The eutrophication index (EI) of the different fishing ports ranges from 2.38 to 56.29, indicating a high level of eutrophication.https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/03/e3sconf_isgst2024_01020.pdf |
| spellingShingle | Ren Bingnan Geng Jing Qin Dajun Yang Bo Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island E3S Web of Conferences |
| title | Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island |
| title_full | Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island |
| title_fullStr | Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island |
| title_full_unstemmed | Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island |
| title_short | Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island |
| title_sort | evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of hainan island |
| url | https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/03/e3sconf_isgst2024_01020.pdf |
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