This report shows riverfly number comparisons for four rivers compared to the Avon in 2015 and 2018  , benchmark comparisons for nine sites on the river Avon, publishes detailed specific riverfly numbers with their corresponding graphical displays that demonstrate  we have a  major problem with declining flylife  on S&DACs’  part of the river Avon.

River Avon Fly Survey 2015 - 2019 | Salisbury & District Angling Club