11-20% dead leaf area 2 9 81-90% dead leave area acronym 8 71-80% dead leave area variable_of 4 31-40% dead leaf area 7 61-70% dead leave area entity 51-60% dead leave area 6 0 no dead leaf area 5 41-50% dead leave area method_of attribute 1 1-10% dead leaf area scale_of 21-30% dead leaf area 3 0-10 Senescence scale