Buffer strip treatment Monitoring year Monitoring year Monitoring year
Apr 2017-Mar 2018 Apr 2018-Mar 2019 Apr 2019-Mar 2020
Control 924 1196 1120
Grass buffer 635 (859) 1135(1536) 401(543)
Willow buffer 398 (539) 891 (1206) 372 (503)
Woodland buffer 531 (7) 698 (944) 534 (723)