Thetford Level II 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