China's algal bloom suffocates marine life

Xiaona Guo, Annah Zhu, Ruishan Chen*

*Corresponding author for this work

Research output: Contribution to journalComment/Letter to the editorAcademicpeer-review

2 Citations (Scopus)


Every summer since 2007, algal blooms have grown in China's Yellow Sea (1). This year, covering about 1746 km2, the bloom is 2.3 times larger than the country's previous record-holding bloom in 2013 (2). Such massive quantities of algae block sunlight from entering the ocean and deplete oxygen levels, suffocating marine life (3). The algae also pose challenges for tourism and marine transport. The city of Qingdao has deployed 12,686 boats to clean the water, collecting 457,700 tons of algae by 12 July (2). The algae are expected to persist until mid-August (4), at enormous economic and biological cost. Mitigating the damage will require regional collaboration.
Original languageEnglish
Pages (from-to)751-751
Number of pages1
Issue number6556
Publication statusPublished - 13 Aug 2021


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