A continuous, real-time water quality monitoring system for the coral reef ecosystems of Nanwan Bay, Southern Taiwan

Kwee Siong Tew, Ming Yih Leu, Jih Terng Wang, Chia Ming Chang, Chung Chi Chen, Pei Jie Meng

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10 Citations (Scopus)


The coral reef ecosystems of Nanwan Bay, Southern Taiwan are undergoing degradation due to anthropogenic impacts, and as such have resulted in a decline in coral cover. As a first step in preventing the continual degradation of these coral reef environments, it is important to understand how changes in water quality affect these ecosystems on a fine-tuned timescale. To this end, a real-time water quality monitoring system was implemented in Nanwan Bay in 2010. We found that natural events, such as cold water intrusion due to upwelling, tended to elicit temporal shifts in coral spawning between 2010 and 2011. In addition, Degree Heating Weeks (DHWs), a commonly utilized predictor of coral bleaching, were 0.92 and 0.59 in summer 2010 and 2011, respectively. Though this quantity of DHW was below the presumed stress-inducing value for these reefs, a rise in DHWs in the future may stress the resident corals.

Original languageEnglish
Pages (from-to)641-647
Number of pages7
JournalMarine Pollution Bulletin
Issue number2
Publication statusPublished - 2014 Aug 30



  • Coral reefs
  • Online/real-time seawater quality monitoring system
  • Seawater quality

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science
  • Pollution

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