Table 1 Land use classification system in the study area.

From: Spatial–temporal evolution characteristics of land use and habitat quality in Shandong Province, China

Class I

Class II

Code

Class I

Class II

Code

Class I

Class II

Code

Cultivated land (CL)

Paddy field

11

 

Low coverage grassland

33

 

Other construction land

53

Dry land

12

Water area (WA)

River

41

Unused land (UL)

Sandland

61

Forest (F)

Woodland

21

Lake

42

Saline alkali land

63

Shrubwood

22

Reservoir pit

43

Marshland

64

Sparse wood

23

Mudflat

45

Bare land

65

Other woodland

24

Beach

46

Bare rock land

66

Grassland (GL)

High coverage grassland

31

Urban and rural industrial and mining residential land (URL)

Urban land

51

Other unused land

67

Medium coverage grassland

32

Rural settlement

52

9

Ocean (O)

99