Transect walking is a method for assessing butterfly abundance and involves walking a fixed route, called the transect, through an area at least once a week from 1st April until the end of September and within specific weather conditions. Sites where transects are carried out in Wiltshire are listed below. If you want to become involved, please contact either Geoff Hobson, whose contact details are given on the committee page.

For abundance trends on monitored Sites in 2006 - 2007 click here

Click on the Transect Name or Grid Reference for more information from the UK Butterfly Monitoring Scheme Website.