Table 1 Threat factor parameter setting.

From: Spatiotemporal evolution and driving mechanisms of habitat quality on the Loess Plateau

Threat factors

Maximum impact distance/km

Weight

Type of recession

Paddy field

3

0.3

Linear

Dry land

5

0.6

Linear

Urban land

10

1

Exponential

Rural residential land

8

0.8

Exponential

Other construction land

9

0.9

Exponential

Sandy area

10

0.7

Linear

Gobi area

6

0.6

Linear

Saline land

5

0.6

Linear

Bare land

3

0.5

Linear

Bare rock land

3

0.5

Linear