Variables Gravel content Gravel content Plant species Plant species GravelĂ—Plant species GravelĂ—Plant species
F p F p F p
Plant height 188.3 <0.01 277.3 <0.01 4.7 <0.01
Plant coverage 131.2 <0.01 304.6 <0.01 56.3 <0.01
Shoot biomass 195.2 <0.01 488.1 <0.01 26.5 <0.01
Root biomass 127.1 <0.01 33.1 <0.01 49.5 <0.01
Total biomass 118.1 <0.01 388.7 <0.01 29.4 <0.01