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Table 9 Summary of tree size (mean DBH cm, mean HT m), stem density of species groups (N ha−1), and model-dependent predictions of above-ground forest tree biomass (AGB Mg ha−1) in the Mexican NFI (2004–2009) plots

From: Model errors in tree biomass estimates computed with an approximation to a missing covariance matrix

Species State Stratum Trees n plots DBH HT N × ha−1
Guazuma ulmifolia Chiapas Mediana subperennifolia 177 12 12.9 (5.1) 5.5 (2.4) 201
Inga vera Chiapas Alta pernnifolia 37 12 17.1 (9.5) 12.0 (4.1) 103
Ochroma pyramidale Chiapas Alta pernnifolia 144 20 13.9 (6.2) 10.1 (2.6) 49
Trichospernum mexicanum Chiapas Alta pernnifolia 612 48 13.9 (6.5) 9.6 (3.3) 156
Quercus castenea Michoacàn Bosque de encino 416 17 16.6 (7.7) 7.1 (2.6) 612
Quercus latea Michoacàn Bosque de pino 37 4 17.2 (8.5) 9.5 (3.2) 231
Quercus spp. Michoacàn Bosque de encino 420 19 16.6 (7.7) 7.0 (2.6) 553
  1. Table entries in parenthesis are standard deviations.