Ecology

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Ecosystem Health Assessment Manual 2012

The Ecosystem Health Assessment Manual was originally prepared by the Saskatchewan Watershed Authority, now known as the Water Security Agency.

Ecosystem Health Assessment Manual (pdf)

Lake Sturgeon

Lake Sturgeon are considered living fossils, relatively unchanged since the Devonian Period, about 400 million years ago. Throughout North America, they are believed to be at an historically low population. Operation of two large dams on the Saskatchewan River System (Gardiner Dam and E.B. Campbell) is suspected to contribute to habitat degradation resulting from flow management and fragmentation. As the owner and operator of Gardiner Dam, the Water Security Agency completed a three year study examining the potential impact of Gardiner Dam’s operation on the Lake Sturgeon population in the downstream rivers.

Saskatchewan River Sturgeon Report 2012 (pdf)

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