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| Lake Trevallyn Algal Bloom Monitoring Program |
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Algal blooms have been known to occur in Lake Trevallyn and are caused by the presence of the blue green algae Anabaena circinalis.
Low water flows, high water temperatures and nutrients have been identified as the key drivers of the blooms. To date the blue green algal blooms in Lake Trevallyn have been found to be non-toxic.
NRM North, Ben Lomond Water, West Tamar Council, Meander Valley Council, the Department of Health and Human Services, the Parks and Wildlife Service and Hydro Tasmania established the Lake Trevallyn Algal Bloom Monitoring Group in 2007 with the aim of; establishing a coordinated monitoring program, identifying the key drivers of the bloom, raising public awareness, improving access to information and coordinating a response for when blooms occur. When a bloom occurs in the Lake appropriate action is taken by the relevant management authorities to erect signage to notify the public and treat the water if required. During the summer months, an alert regarding the status of algal blooms in Lake Trevallyn can be found on the weather page of the Examiner newspaper. |
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