Table 1 Classification of ecological degradation and restoration types.

From: Assessing the impact of human activities on ecosystem asset dynamics in the Yellow River Basin from 2001 to 2020

Ecosystem degradation

Ecosystem restoration

Land urbanization

Farmland→urban

Returning farmland

Farmland→forest

Wetland→urban

Farmland→grassland

Grassland→urban

Farmland→wetland

Forest→urban

Farmland→shrubland

Shrubland→urban

Farmland→other lands

Other lands→urban

Afforestation

Shrubland→forest

Cultivated land reclamation

Grassland→farmland

Grassland→forest

Urban→farmland

Urban→forest

Wetland→farmland

Other lands→forest

Forest→farmland

Vegetation restoration

Grassland→shrubland

Shrubland→farmland

Urban→grassland

Deforestation

Forest→shrubland

Other lands→grassland

Forest→grassland

Other lands→shrubland

Forest→other lands

Urban→shrubland

Vegetation destruction

Shrubland→grassland

Wetland restoration

Urban→wetland

Grassland→other lands

Grassland→wetland

Shrubland→other lands

Forest→wetland

Wetland atrophy

Wetland→grassland

Other lands→wetland

Wetland→other lands

Shrubland→wetland

Wetland→forest

Cultivated land reclamation

Other lands→farmland

Wetland→shrubland

Natural ecosystem restoration

Urban→other lands