Nutrients and sea surface temperature drive harmful algal blooms in China’s coastal waters over the past decades
Eutrophication under climate change is well known to affect the community, productivity, and distribution of phytoplankton. However, the specific drivers of harmful algal blooms (HABs) in coastal China are not fully understood. Using HAB observed data since 1981, we quantified the distribution chang...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2023-01-01
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| Series: | Environmental Research Letters |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1748-9326/acf0d7 |
| _version_ | 1827818293345386496 |
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| author | Wenyu Wei Yue Han Yuntao Zhou |
| author_facet | Wenyu Wei Yue Han Yuntao Zhou |
| author_sort | Wenyu Wei |
| collection | DOAJ |
| description | Eutrophication under climate change is well known to affect the community, productivity, and distribution of phytoplankton. However, the specific drivers of harmful algal blooms (HABs) in coastal China are not fully understood. Using HAB observed data since 1981, we quantified the distribution changes in HABs and estimated key environmental drivers (e.g. nutrients, sea surface temperature (SST), and precipitation) of HABs in China’s near seas. After 1981, the geographic range of HABs significantly expanded; moreover, the annual impacting period (AIP) of four of China’s near seas increased from 259% to 1090%. We found that rising total nitrogen (TN) or SST dominated the increase in the AIP in each near sea. Compared to the major contribution of TN to AIP in the other three near seas, TN has relatively weaker impacts than SST on AIP in the South China Sea (SCS). The peak of AIP in the SCS is highly correlated with extremely high SST. The significant contributions of climate change to HABs underscore the growing urgency to strictly control watershed nutrient input to mitigate marine eutrophication. |
| first_indexed | 2024-03-12T00:45:47Z |
| format | Article |
| id | doaj.art-18167ac94c1e4a6db57a662725bfdd81 |
| institution | Directory Open Access Journal |
| issn | 1748-9326 |
| language | English |
| last_indexed | 2024-03-12T00:45:47Z |
| publishDate | 2023-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Environmental Research Letters |
| spelling | doaj.art-18167ac94c1e4a6db57a662725bfdd812023-09-14T16:46:33ZengIOP PublishingEnvironmental Research Letters1748-93262023-01-0118909406810.1088/1748-9326/acf0d7Nutrients and sea surface temperature drive harmful algal blooms in China’s coastal waters over the past decadesWenyu Wei0Yue Han1Yuntao Zhou2https://orcid.org/0000-0001-9714-5385School of Oceanography, Shanghai Jiao Tong University , Shanghai 200030, People’s Republic of China; State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Science and Engineering, Peking University , Beijing 100871, People’s Republic of ChinaSchool of Oceanography, Shanghai Jiao Tong University , Shanghai 200030, People’s Republic of ChinaSchool of Oceanography, Shanghai Jiao Tong University , Shanghai 200030, People’s Republic of ChinaEutrophication under climate change is well known to affect the community, productivity, and distribution of phytoplankton. However, the specific drivers of harmful algal blooms (HABs) in coastal China are not fully understood. Using HAB observed data since 1981, we quantified the distribution changes in HABs and estimated key environmental drivers (e.g. nutrients, sea surface temperature (SST), and precipitation) of HABs in China’s near seas. After 1981, the geographic range of HABs significantly expanded; moreover, the annual impacting period (AIP) of four of China’s near seas increased from 259% to 1090%. We found that rising total nitrogen (TN) or SST dominated the increase in the AIP in each near sea. Compared to the major contribution of TN to AIP in the other three near seas, TN has relatively weaker impacts than SST on AIP in the South China Sea (SCS). The peak of AIP in the SCS is highly correlated with extremely high SST. The significant contributions of climate change to HABs underscore the growing urgency to strictly control watershed nutrient input to mitigate marine eutrophication.https://doi.org/10.1088/1748-9326/acf0d7harmful algal bloomsnutrientssea surface temperatureChinaclimate change |
| spellingShingle | Wenyu Wei Yue Han Yuntao Zhou Nutrients and sea surface temperature drive harmful algal blooms in China’s coastal waters over the past decades Environmental Research Letters harmful algal blooms nutrients sea surface temperature China climate change |
| title | Nutrients and sea surface temperature drive harmful algal blooms in China’s coastal waters over the past decades |
| title_full | Nutrients and sea surface temperature drive harmful algal blooms in China’s coastal waters over the past decades |
| title_fullStr | Nutrients and sea surface temperature drive harmful algal blooms in China’s coastal waters over the past decades |
| title_full_unstemmed | Nutrients and sea surface temperature drive harmful algal blooms in China’s coastal waters over the past decades |
| title_short | Nutrients and sea surface temperature drive harmful algal blooms in China’s coastal waters over the past decades |
| title_sort | nutrients and sea surface temperature drive harmful algal blooms in china s coastal waters over the past decades |
| topic | harmful algal blooms nutrients sea surface temperature China climate change |
| url | https://doi.org/10.1088/1748-9326/acf0d7 |
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