d_symp_leaves

for further information see Explanatory Item: 104

CODE DESCRIPTION FROM_YEAR TO_YEAR
0 No injury, none of the leaves injured 2000  
1 1%-5% of the leaves show ozone symptoms 2000 2008
1 In broadleaves, 1%-5% of the leaves show ozone symptoms. In conifers, 1%-5% of the needle surface is affected 2009  
2 6%-50% of the leaves show ozone symptoms 2000 2008
2 In broadleaves, 6%-50% of the leaves show ozone symptoms. In conifers, 6%-50% of the needle surface is affected 2009  
3 More than 51% of the leaves show ozone symptoms 2000 2008
3 In broadleaves, 51-100% of the leaves show ozone symptoms. In conifers, 51-100% of the needle surface is affected. 2009