"Figure 5: 85% of woodlands are in a favourable condition for tree health in Great Britain","" "Summary of National Forest Inventory (NFI) condition indicators 2010 to 2015 survey cycle, percentage of area classified as unfavourable, intermediate or favourable","" "","" "Notes","" "Unit","%" "","" "","Favourable","Intermediate","Unfavourable" "Tree health","85.0","12.3","2.7" "Invasive species","92.1","1.1","6.8" "Regeneration","20.7","71.5","7.9" "Herbivores and grazing","58.7","0.1","41.2" "Veteran trees","0.5","0.2","99.4" "Deadwood ","6.2","17.4","76.5" "Age distribution ","9.9","44.8","45.3"