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Table 2 Estimation of the parameters and precision measurements of the adjusted equations for the estimation of the dry biomass stock (kg) as a function of the d30cm in the open Brazilian savannah

From: Estimation of the aboveground biomass and carbon stocks in open Brazilian Savannah developed on sandy soils

Model β 0 β 1 β 2 β 3 R2 % (adjust.) Sxy (kg) Sxy (%)
Hohenald Krenm 7.7068* − 2.4160* 0.2447 71.20 11.13 70.13
Brenac − 1.8494* 2.0488 − 7.8893* 89.46 11.58 72.89
Spurr − 2.8828* 0.0352 89.04 6.87 43.26
Schumacher-Hall (logarithmic) − 4.32 2.0157 1.5258 94.19 5.72 35.99
Stoate (Australian) 4.1867* − 0.1461 0.0649 − 0.6371* 93.87 5.14 32.34
Spurr (logarithmic) − 4.446 1.1305 93.95 6.79 42.74
Honner − 5.5889 57.2571 94.50 4.87 30.65
Takata 40.3464 − 0.5224 88.67 6.98 43.98
Schumacher-Hall 0.01313 1.7793 2.0228 94.55 4.85 30.50
  1. *Non-significant coefficients (p > 0.05)