Table 1 Cover (percentage of ground surface covered), density (number of plants per 1000 m²), and richness (number of species per 1000 m²) of native and non-native plant species and life forms in controls (Cont) and masticated (Mast) fuel treatments (n = 149) in southern California, USA, chaparral (2011 to 2012).

Total

1

11

<0.001

7 983

34 516

<0.001

10

33

<0.001

Native

92

53

<0.001

4 895

11 430

<0.001

10

28

<0.001

Non-native

1

7

<0.001

3 087

23 086

<0.001

1

6

<0.001

Shrubs

84

35

<0.001

3 163

2 799

<0.001

6

8

<0.001

Subshrubs

5

7

0.095

254

796

<0.001

1

3

<0.001

Suffrutescents

2

6

<0.001

356

1 077

<0.001

1

3

<0.001

Herbaceous perennials

1

2

0.006

483

1 095

<0.001

1

6

<0.001

Annuals

1

11

<0.001

3 727

28 749

<0.001

1

14

<0.001