Oak Processionary Moth Survey GB 10K Grid 2013

Sites selected for inspection were formerly used for the Forestry Commission Forest Condition Survey. Each site contains 24 numbered trees and each of these trees is inspected for signs and symptoms of OPM. Surveys started in 2010.

Count - Number of sites surveyed in grid square

Year - Year in which sites were surveyed Attribution Statement: Contains OS data © Crown copyright [and database right] [year].