TABLE 6.

Relative change (%) in annual and total discharge volumes for each buffer strip treatment relative to the control.

Buffer strip treatment	April 2017–March 2018	April 2018–March 2019	April 2019–March 2020	Total
Grass buffer	31	5	64	33
Willow buffer	57	25	67	49
Woodland buffer	43	42	52	46