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Old 03-23-2003, 06:20 AM
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timwatts timwatts is offline
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Join Date: Jan 2000
Location: Ahuquannissonwaumissoo
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Stream channel modification

Does anyone have any experience with placing obstructions in a small stream to create a riffle pool effect? The stream was channeled many years ago to build sewer beds. It is about five feet wide and very straight, about a quarter mile long. The stream drains a pond which could support a good run of alewives if I can give them reliable access to it through this stream.

Because the stream is so straight and suffers from considerable sand and siltation problems there are several segments where the water is only a couple inches deep. By raising the water level just a couple inches in these spots reliable access could be provided for the alewives and a good population could be established (perhaps a run of a hundred thousand adults).

Does anyone have any experience with this sort of project, or know of any print or online sources.

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