New Study: Great Barrier Reef Coral Cover ‘At Its Highest Since Monitoring Began In 1985’

Underwater scene featuring vibrant coral formations in various colors, including purple, yellow, and blue, with small fish swimming among them.

From No Trick Zone

By Kenneth Richard 

Another alarmist narrative debunked by observations.

Coral coverage was supposed to be existentially devastated by the modern tenths-of-a-degree increases in sea surface temperatures and recurring bleaching events.

However, a new study points to assessments of coral cover percentages in the Great Barrier Reef and concludes is “at its highest since monitoring began in 1985.”

Further, the analysis reveals there is “no consistent correlation between rising temperatures and reduced coral cover,” and that “most corals [are] demonstrating rapid recovery” from bleaching.

Graph depicting coral cover trends in the Great Barrier Reef from 1985 to 2020, showing fluctuations and a notable increase in coral cover in recent years.
Image Source: Boretti, 2025

The Australian Government also documents significant decadal variability in coral cover, but no overall trend or decline in coral coverage since the early 1980s.

A graphical report titled 'Annual Summary Report of Coral Reef Condition 2024/25' from the Australian Government, featuring charts showing coral cover percentages for the Northern, Central, and Southern Great Barrier Reef from 1985 to 2025.
Image Source: aims.gov.au


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