Table 4 Classification of the degree of coupling coordination.

From: Evaluation of comprehensive benefits and the degree of coupling coordination for soil health products: a case study in Weifang City, China

Value range

Coordination level

Value range

Coordination level

0 < D ≤ 0.09

Extreme disorder (I)

0.49 < D ≤ 0.59

Barely Coordination (VI)

0.09 < D ≤ 0.19

Severe disorder (II)

0.59 < D ≤ 0.69

Primary coordination (VII)

0.19 < D ≤ 0.29

Moderate disorder (III)

0.69 < D ≤ 0.79

Intermediate coordination (VIII)

0.29 < D ≤ 0.39

Mild disorder (IV)

0.79 < D ≤ 0.89

Well coordination (IX)

0.39 < D ≤ 0.49

Near Disorder (V)

0.89 < D ≤ 0.10

Excellent coordination (X)