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. 2008 Mar 19;3(3):e1799. doi: 10.1371/journal.pone.0001799

Table 1. The scaling relationship between photosynthetic biomass, M p, and the body mass, M, for trees, desert shrubs and herbaceous plants.

Plant type n Slope, β±SE IT 95% CI r 2
Trees/Forest
Boreal/temperate Larix forest 48 0.97±0.017 −1.35 0.93, 1.00 0.986
Boreal/alpine Picea abies forest 168 0.61±0.023 0.81 0.53, 0.67 0.761
Boreal Pinus sylvestris var. mongolica forest 10 0.65±0.040 0.44 0.56, 0.69 0.970
Temperate Pinus tabulaeformis forest 154 0.87±0.023 −0.45 0.82, 0.93 0.897
Temperate mixed coniferous-broadleaved forest 22 0.57±0.037 0.88 0.51, 0.59 0.915
Temperate typical deciduous broadleaved forest 165 1.06±0.041 −1.51 0.94, 1.20 0.758
Temperate/subtropical montane Populus-Betula deciduous forest 127 0.99±0.026 −1.39 0.93, 1.05 0.911
Desert riverside woodland 9 0.82±0.14 −0.84 0.66, 0.90 0.791
Subtropical mixed evergreen-deciduous broadleaved forest 22 0.89±0.079 −0.81 0.79, 1.22 0.841
Subtropical evergreen broadleaved forest 238 0.94±0.015 −1.08 0.92, 0.96 0.940
Sclerophyllous evergreen Quercus forest 9 0.87±0.049 −0.76 0.81, 0.93 0.977
Tropical rainforest and monsoon forest 13 0.96±0.13 −1.14 0.35, 1.12 0.793
Subtropical montane Pinus yunnanensis and P. khasya forest 46 0.93±0.02 −0.88 0.89, 0.96 0.980
Subtropical Pinus massoniana forest 66 0.92±0.052 −0.84 0.83, 1.02 0.798
Subtropical montane Pinus armandii, P. taiwanensis and P. densada 55 0.77±0.034 −0.013 0.71, 0.85 0.899
Subtropical Cunninghamia lanceolata forest 98 0.81±0.065 −0.21 0.65, 0.97 0.382
Subtropical montane Cupressus and Sabina forest 16 0.55±0.084 1.14 0.43, 0.67 0.677
Shrubs
Desert shrubs 148 0.92±0.047 −0.71 0.84, 1.00 0.618
Herbages
Spring wheat 2002 15 0.61±0.075 −0.70 0.48, 0.70 0.803
Spring wheat 2003 10 0.47±0.096 −1.02 0.36, 0.69 0.662
Spring wheat 2004 23 0.65±0.097 −0.75 0.50, 0.72 0.528

SE is the standard error, and CI is the confidence interval of the slope.