Table 1.

Inventory data from the three methods applied in the district of Santa Cecilia, Säo Paulo, Brazil.

CensusSimple random samplingStratified random sampling
TotalStratum 1Stratum 2Stratum 3Stratum 4
Total number of trees958900779297217141124
Trees per lineal kilometer37.6635.3830.6436.2226.4817.1815.16
Coefficient of variation (%)46.7732.3051.1137.2070.52
Sampling error (%)17.3219.3529.5138.9860.39