Table 2 Classification of carbon-neutral capacities in the Yellow River basin.

From: Evaluation of provincial carbon-neutral capacities in the Yellow River basin using DPSIR

CCCEI

Grade

Carbon-neutral capacity level

 ≤ 0.4

I

Poor

(0.4, 0.8]

II

Fair

(0.8, 1.2]

III

Average

(1.2, 1.6]

IV

Good

 > 1.6

V

Excellent