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Table 2 Number of occurrence records per quality category in the dataset

From: Big data of tree species distributions: how big and how good?

Category No. occurrences Percentage
AAA 968,884 2.64
AA 5,059,644 13.79
A 377,063 1.03
B 1,212,822 3.31
C 6,880 0.02
D 17,580 0.05
E 32,698 0.09
F 859,433 2.34
G 23,177,564 63.17
H 4,979,574 13.57
Total 36,692,142