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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.