Thetford long-term forest monitoring plot - Crown condition

Average of annual surveys over 1995 to 2004 period
	Aspect	Average	Standard error	Sample size
Local crown density reduction (%): 5% classes	East	20.68	0.670	66
	North	20.15	0.732	66
	South	18.56	0.713	66
	West	22.95	0.622	66
Absolute crown density reduction (%): 5% classes	East	31.36	0.541	66
	North	30.53	0.957	66
	South	28.10	0.716	66
	West	33.63	0.810	66
Insect damage score (0=none, 1=rare, 2=infrequent, 3=common, 4=abundant)	East	0.015	0.006	66
	North	0.045	0.018	66
	South	0.060	0.024	66
	West	0.015	0.006	66
Fungal damage score (0=none, 1=rare, 2=infrequent, 3=common, 4=abundant)	East	0	0	66
	North	0	0	66
	South	0	0	66
	West	0	0	66

Thetford long-term forest monitoring plot – Crown condition