Table 1 Ɛmax for different site types.

From: Coupling process of carbon sink service flow based on metacoupling framework

Land use type

Ɛmax(gC· MJ−1)

Farmland

0.542

Forestland

0.985

Shrubbery

0.429

Open forestland

0.985

Other forestland

0.985

Grassland

0.542

Water

0.389

Urban

0.389

Unused land

0.389