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Lake Burrumbeet algae outbreak
Excerpt from The Courier.

A BLUE-GREEN algae outbreak has forced Ballarat City Council to close Lake Burrumbeet until further notice. Warning signs will soon be installed, advising that the popular lake is closed to all activity, including swimming, water sports, wading, fishing, extracting water for stock or domestic use. No stock or pets should be allowed to make contact with or drink the water.

The lake, which had been empty for many years due to the prolonged drought, had only recently reopened for boating. Council will conduct daily visual inspections of the lake to observe any visible blooms, scum formation, evidence of dead fish and to check that warning signs remain in place.

Blue-green algae can cause taste and odor problems in water supplies. Some species of blue-green algae produce toxins that are harmful to humans and animals when they are consumed, inhaled or contact the skin.  Blue-green algae is often caused when large amounts of nutrients (nitrogen and phosphorous) flow into a waterway, higher than normal temperatures and high pH levels also contribute to the problem.


 
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How to Mend the Conservation Divide - Conservation used to seem pretty straightforward: set aside tracts of nature and they will take care of themselves. It is not so simple anymore. Nature left unmanaged is changing in surprising ways because of the great and accelerating human influences of what is being called the Anthropocene — the new epoch of climate change, species movements and global-scale land-use change. Today, keeping nature functioning the way it did before the Industrial Revolution requires increasingly hard and expensive work.


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