As the beaver reintroduction is happening on a neighbouring river (The Otter) Dart anglers may be interested in the following.

Firstly, here is a recent report on the reintroduction from the BBC:

There is no mention of how beavers might affect fish migration so here is a policy statement from the Angling Trust regarding beaver reintroduction that covers that aspect among others.

EA awards landmark fisheries contract to Angling Trust

Slightly old news but of interest nevertheless –

The Environment Agency has awarded a landmark fisheries contract to the Angling Trust. This announcement follows a “rigorous competitive process” and is part of the EA’s “continued drive towards greater partnership working leading to thriving fisheries and angling throughout England”.