Fish key to reef climate survival (BBC)

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By Richard Black
Environment correspondent, BBC News website

A healthy fish population could be the key to ensuring coral reefs survive the impacts of climate change, pollution, overfishing and other threats.

Australian scientists found that some fish act as "lawnmowers", keeping coral free of kelp and unwanted algae.

At a briefing to parliamentarians in Canberra, they said protected areas were rebuilding fish populations in some parts of the Great Barrier Reef.

Warming seas are likely to affect the reef severely within a few decades.

Pollution is also a growing problem, particularly fertilisers that wash from agricultural land into water around the reef, stimulating the growth of plants that stifle the coral.
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more: http://news.bbc.co.uk/2/hi/science/nature/7306693.stm

[phantom power]

1. Great news! At least we still have plenty of fi...

Uh oh.