Abegweit Conservation Society

Prince Edward Island

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September 28, 2016

Brush Mats in North Lake and Midgell

The Abegweit Conservation Society installing brush mats to collect silt and correct the flow of streams in North Lake and Midgell, PEI.

brushmats-01

Brush mats are made from trees and are used to collect silt along the banks of steams. The silt collects on the brush mats and builds up the banks of the streams and narrows the waterway. This increases water depth, increases the flow of the stream and restores fish migratory patterns.

What is silt and siltation?

Siltation occurs as a result of soil erosion, heavy rainfall and human activities that lead to soil run-off into nearby waters. This results in a large amount of silt accumulating in certain areas of the waterways. Fish are affected by suspended silt in their native waters, and filter feeders like oysters, shrimps, and mussels can become filled with silt and unable to filter the water. Other harmful impacts of siltation are the loss of wetlands, changes to coastlines, human health concerns and changes in fish migratory patterns and biodiversity.

brush mats construction
brush mats construction
brush mats construction
brush mats construction
brush mats construction
brush mats construction
brush mats construction

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