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Table 5 Post-fire percent plant cover compared between chaparral and type-converted grass watersheds from 2003 to 2006.

From: Post-Fire Soil Water Repellency, Hydrologic Response, and Sediment Yield Compared between Grass-Converted and Chaparral Watersheds

 

Mar 2003a

Apr 2003a

Aug 2003

Jul 2004

Jul 2005

Jul 2006

Chaparral

Grass

nac

na

1

3

1

3

Forbs

na

na

48

46

5

12

Subshrubsb

na

na

3

8

26

19

Shrubs

na

na

10

11

18

27

Bare ground

na

na

38

15

12

12

Litter

na

na

0

17

39

27

Total plant cover (live)

38

54

61

68

50

61

Plant cover + litter

na

na

61

85

89

88

Type-converted grass

Grass

na

na

18

31

13

13

Forbs

na

na

30

12

2

2

Subshrubsb

na

na

5

4

32

29

Shrubs

na

na

4

3

9

9

Bare ground

na

na

43

21

13

12

Litter

na

na

0

19

31

35

Total plant cover (live)

34

51

57

60

56

53

Plant cover + litter

na

na

57

79

87

88

  1. a Values determined using mean values of Normalized Difference Vegetation Index.
  2. b Subshrubs = small bushy plants that are woody except for the tips of the branches.
  3. c Not available.