Work on the Arun Riverlife project involved cutting trees close to some hedgerows where dormice nest and this work was licensed by Natural England.
In the UK the dormouse has been protected since 1988 by the Wildlife and Countryside Act 1981.
During the tree work, licensed dormice handlers on the WWT Arundel team did daily hand searches of sections to be cut to ensure no dormice were in these zones.
More top news
Friday nights weather in the South and South East
Medway made up of the five towns surrounding the River Medway - hopes to attract widespread support.
Chris had a difficult few years in which he had a nervous breakdown, but say's pigeon racing saved his life.