Table 1 Land use types.

From: Spatiotemporal assessment of recreation ecosystem service flow from green spaces in Zhengzhou’s main urban area

Land use type

Descriptive

Grasslands

Pastures, meadows, artificial turf

Cropland

Drylands, paddy fields

Construction land

Urban and rural residential and infrastructure sites, hardened squares, water construction sites, transportation sites, etc.

Forest land

Pure woodland, shrubland, open woodland, and other wooded areas with more than 20% closure

Water area

Rivers, lakes, reservoirs, fishponds, etc.

Unused land

Bare ground, rocky ground, sandy ground, etc.