Buffer strip treatment Monitoring year Monitoring year Monitoring year Monitoring year
Apr 2017-Mar 2018 Apr 2018-Mar 2019 Apr 2019-Mar 2020 Total
Control 22.2 (±8.2) 8.5 (±10.1) 111.8 (±154.9) 142.5
Grass buffer 40.9 (±21.4) 3.3 (±4.2) 11.9 (±14.8) 56.1
Willow buffer 31.6 (±9.6) 6.4 (±6.1) 42.8 (±31.2) 80.7
Woodland buffer 26.6 (±6.8) 6.8 (±6.1) 20.6 (±11.8) 53.9