Factoid/2020/11/11

Sedimentation & turbidity identified as key threat for coral gardening

"Our planet’s coral reef ecosystems are in peril... Anthropogenic CO2 has sparked a rise in global average sea surface temperatures, pushing reef survival beyond its upper thermal limits. Coastal development from industry, aquaculture and infrastructure generates sedimentation and increased turbidity in coastal waters, which raises particulate organic carbon (POC) levels... “Coral gardening” or “outplanting” has become a popular and promising solution for restoration... [However] POC levels are one of the most important factors in determining coral outplant survival. This finding suggests that potential coral outplanting sites should be selected in areas where sedimentation levels are low, away from coastal development, or where coastal development is carefully managed for reef conservation." - Excerpt from Arizona State University

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