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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).

From: Impacts of Mastication Fuel Treatments on California, USA, Chaparral Vegetation Structure and Composition

  Cover Density Richness
  Cont Mast P Cont Mast P Cont Mast P
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