Until fairly recently, Canada’s wetlands were viewed as areas of little value unless they could be drained and cleared for agricultural or urban development. In parts of Southwestern Ontario over 90% of the original wetlands have been lost.

Conservation Authorities have been concerned and involved in the evaluation, acquisition and preservation of wetlands for many years. One of the largest sections of wetlands in the east branch of the Sydenham River is on the floodplain between Coldstream and Strathroy. There is another group of wetlands in the Bothwell sand plain.

Wetlands reduce pollution by filtering the water running into lakes, rivers and streams. As water flows through a wetland, it is slowed down by the wetland’s plants. Debris in the water gets trapped by the stems and roots, and when water flows out of the wetland, it is cleaner.

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