Percentage of canopy radius	Example radius	Area of example	Percentage reduction canopy area
100	50	7854	0
90	45	6362	19
80	40	5027	36
70	35	3849	51
60	30	2827	64
50	25	1964	75
40	20	1257	84
30	15	707	91
20	10	314	96
10	5	79	99