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Table 6 Rank analysis for dieback events in the 10 target locations during 2004–2016 (Fig. 3)

From: Developing drought stress index for monitoring Pinus densiflora diebacks in Korea

DSI
rank
DSI mean Frequency by DSI model Cumulative
M1 M2 M3 M4 M5 Mean conformity (%)
1 1.1 2 2 6 6 5 4.2 30.0
2 0.8 2 2 0 1 3 1.6 41.4
3 0.7 2 5 2 1 1 2.2 57.1
4 0.5 0 1 0 0 0 0.2 58.6
5 0.3 0 0 1 1 0 0.4 61.4
6 0.2 0 1 0 2 1 0.8 67.1
7 0.1 3 2 3 1 3 2.4 84.3
8 − 0.1 2 1 1 1 1 1.2 92.9
9 − 0.2 1 0 1 1 0 0.6 97.1
10 − 0.3 2 0 0 0 0 0.4 100.0
11 − 0.8 - - - - - - 100.0
12 − 1.0 - - - - - - 100.0
  1. For each rank, the mean Drought Stress Index (DSI) was calculated, frequency of dieback events were counted for different models, and then mean frequency was used to calculate cumulative conformity.