Monitoring

CRT has been doing several types of monitoring over the years to gather data that can be useful in several ways:

  • Fish tagging studies have helped us understand how fish move up and down the river, including where their biggest problem areas are. This information helped us prioritize our restoration efforts.

  • Herring counts conducted during the spring fish migration up the river, let us track how many of them make the journey every year. Over time, this can help us see trends in their numbers, and whether those numbers increase after the restoration.

  • Monitoring, before and after restoration, of biological, physical and chemical factors, like plants, invertebrates, nutrients and the shape of the river channel. Because we have both before and after data, we can see the effect that the restoration has had on these things – whether they improved, got worse or stayed the same. The data can help us make decisions about future restoration efforts.

Most of this work is carried out by volunteers. If you are interested in helping, please email Charlie Cooper at crivertrust@gmail.com.

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Photos: Alison Leschen