Table 1. Areas of vegetative cover types in Southern California Ranges, physiographic area 90. Forest coverages are taken from USFS FIA data, nonforest cover types are modified from USGS data. Habitat coverages with superscript * are combined from both databases by adding USGS coverage in the "nonforest" section of the USFS database.
Cover types

Area (ha)

Area (ac)

Percent of Total

Chaparral forest

1,801,600

4,451,754

35.59

Pinyon pine-juniper forest *

219,900

543,373

4.32

Spruce-fir forest *

23,400

57,821

0.46

Ponderosa pine forest *

136,200

336,550

2.68

Mixed hardwood forest

6,600

16,309

0.13

Oak, riparian, bluestem woodland

41,100

101,558

0.81

Wheat, corn, irrigated agriculture

5,100

12,602

0.10

Wheatgrass, grama, bluestem grassland

81,000

200,151

1.59

Sagebrush prairie

622,300

1,537,703

12.23

Greasewood brushland

475,300

1,174,466

9.34

Barren ground, sparse vegetation

308,000

761,068

6.05

Water

38,300

94,639

0.75

Urban

1,002,600

2,477,425

19.70

No data *

328,500

811,724

6.45

 Totals

4,425,100

10,934,422

100