# Sampaio & Silva 2005: Biomass equations for Brazilian semiarid caatinga plants Sampaio, E. V. S. B., & Silva, G. C. (2005). Biomass equations for Brazilian semiarid caatinga plants. Acta Botanica Brasilica, 19(4), 935-943. - DOI: https://doi.org/10.1590/s0102-33062005000400028 - Access: open access - Copy we read: https://www.scielo.br/j/abb/a/H7MJLqBYjHc4Bp63L6pyHsG/?lang=en&format=pdf - Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02 - Page: https://treeallometry.org/sources/sampaio-2005/ ## Equations from this source (26) ### Anadenanthera macrocarpa, caatinga, DBH Aboveground biomass for Anadenanthera macrocarpa, Brazil. Inputs: DBH. 30 trees. As printed (Table 2, p. 938): > A. macrocarpa: 0.2482*DBH2.1628 R2 0.9372 Page: https://treeallometry.org/equations/sampaio-2005-anadenanthera-macrocarpa-dbh/ ### Anadenanthera macrocarpa, caatinga, ground-level diameter Aboveground biomass for Anadenanthera macrocarpa, Brazil. Inputs: Root collar diameter. 30 trees. As printed (Table 2, p. 938): > A. macrocarpa: 0.1395*DGL2.1579 R2 0.9232 Page: https://treeallometry.org/equations/sampaio-2005-anadenanthera-macrocarpa-dgl/ ### Aspidosperma pyrifolium, caatinga, DBH Aboveground biomass for Aspidosperma pyrifolium, Brazil. Inputs: DBH. 30 trees. As printed (Table 2, p. 938): > A. pyrifolium: 0.3675*DBH1.8355 R2 0.8527 Page: https://treeallometry.org/equations/sampaio-2005-aspidosperma-pyrifolium-dbh/ ### Aspidosperma pyrifolium, caatinga, ground-level diameter Aboveground biomass for Aspidosperma pyrifolium, Brazil. Inputs: Root collar diameter. 30 trees. As printed (Table 2, p. 938): > A. pyrifolium: 0.2455*DGL1.7726 R2 0.9265 Page: https://treeallometry.org/equations/sampaio-2005-aspidosperma-pyrifolium-dgl/ ### Caesalpinia pyramidalis, caatinga, DBH Aboveground biomass for Caesalpinia pyramidalis, Brazil. Inputs: DBH. 30 trees. As printed (Table 2, p. 938): > C. pyramidalis: 0.2365*DBH2.1928 R2 0.8198 Page: https://treeallometry.org/equations/sampaio-2005-caesalpinia-pyramidalis-dbh/ ### Caesalpinia pyramidalis, caatinga, ground-level diameter Aboveground biomass for Caesalpinia pyramidalis, Brazil. Inputs: Root collar diameter. 30 trees. As printed (Table 2, p. 938): > C. pyramidalis: 0.2804*DGL1.9274 R2 0.9015 Page: https://treeallometry.org/equations/sampaio-2005-caesalpinia-pyramidalis-dgl/ ### Croton sonderianus, caatinga, DBH Aboveground biomass for Croton sonderianus, Brazil. Inputs: DBH. 30 trees. As printed (Table 2, p. 938): > C. sonderianus: 0.3569*DBH1.8565 R2 0.8414 Page: https://treeallometry.org/equations/sampaio-2005-croton-sonderianus-dbh/ ### Croton sonderianus, caatinga, ground-level diameter Aboveground biomass for Croton sonderianus, Brazil. Inputs: Root collar diameter. 30 trees. As printed (Table 2, p. 938): > C. sonderianus: 0.1482*DGL1.8741 R2 0.8266 Page: https://treeallometry.org/equations/sampaio-2005-croton-sonderianus-dgl/ ### Jatropha mollissima, caatinga, DBH Aboveground biomass for Jatropha mollissima, Brazil. Inputs: DBH. 30 trees. As printed (Table 2, p. 938): > J. mollissima: 0.1970*DBH1.8145 R2 0.8288 Page: https://treeallometry.org/equations/sampaio-2005-jatropha-mollissima-dbh/ ### Jatropha mollissima, caatinga, ground-level diameter Aboveground biomass for Jatropha mollissima, Brazil. Inputs: Root collar diameter. 30 trees. As printed (Table 2, p. 938): > J. mollissima: 0.0689*DGL2.0557 R2 0.7668 Page: https://treeallometry.org/equations/sampaio-2005-jatropha-mollissima-dgl/ ### Large caatinga species (the six listed after the three small ones), DBH Aboveground biomass for Large caatinga species (the six listed after the three small ones), Brazil. Inputs: DBH. As printed (Table 2, p. 938): > Large species (next 6): 0.2368*DBH2.2219 R2 0.9455 Page: https://treeallometry.org/equations/sampaio-2005-large-6-dbh/ ### Large caatinga species (the six listed after the three small ones), ground-level diameter Aboveground biomass for Large caatinga species (the six listed after the three small ones), Brazil. Inputs: Root collar diameter. As printed (Table 2, p. 938): > Large species (next 6): 0.0871*DGL2.3366 R2 0.9505 Page: https://treeallometry.org/equations/sampaio-2005-large-6-dgl/ ### Maytenus rigida, caatinga, DBH Aboveground biomass for Maytenus rigida, Brazil. Inputs: DBH. 30 trees. As printed (Table 2, p. 938): > M. rigida: 0.3460*DBH2.0231 R2 0.9501 Page: https://treeallometry.org/equations/sampaio-2005-maytenus-rigida-dbh/ ### Maytenus rigida, caatinga, ground-level diameter Aboveground biomass for Maytenus rigida, Brazil. Inputs: Root collar diameter. 30 trees. As printed (Table 2, p. 938): > M. rigida: 0.1142*DGL2.2543 R2 0.9605 Page: https://treeallometry.org/equations/sampaio-2005-maytenus-rigida-dgl/ ### Mimosa hostilis, caatinga, DBH Aboveground biomass for Mimosa hostilis, Brazil. Inputs: DBH. 30 trees. As printed (Table 2, p. 938): > M. hostilis: 0.3127*DBH2.1183 R2 0.9594 Page: https://treeallometry.org/equations/sampaio-2005-mimosa-hostilis-dbh/ ### Mimosa hostilis, caatinga, ground-level diameter Aboveground biomass for Mimosa hostilis, Brazil. Inputs: Root collar diameter. 30 trees. As printed (Table 2, p. 938): > M. hostilis: 0.1064*DGL2.2907 R2 0.9699 Page: https://treeallometry.org/equations/sampaio-2005-mimosa-hostilis-dgl/ ### Myracrodruon urundeuva, caatinga, DBH Aboveground biomass for Myracrodruon urundeuva, Brazil. Inputs: DBH. 30 trees. As printed (Table 2, p. 938): > M. urundeuva: 0.1397*DBH2.4659 R2 0.9821 Page: https://treeallometry.org/equations/sampaio-2005-myracrodruon-urundeuva-dbh/ ### Myracrodruon urundeuva, caatinga, ground-level diameter Aboveground biomass for Myracrodruon urundeuva, Brazil. Inputs: Root collar diameter. 30 trees. As printed (Table 2, p. 938): > M. urundeuva: 0.0596*DGL2.4878 R2 0.9739 Page: https://treeallometry.org/equations/sampaio-2005-myracrodruon-urundeuva-dgl/ ### Nine caatinga species, all but Cereus jamacaru, DBH Aboveground biomass for Nine caatinga species, all but Cereus jamacaru, Brazil. Inputs: DBH. DBH 2–50 cm. As printed (Table 2, p. 938): > All but C. jamacaru: 0.1730*DBH2.2950 R2 0.9184 Page: https://treeallometry.org/equations/sampaio-2005-all-9-dbh/ ### Nine caatinga species, all but Cereus jamacaru, ground-level diameter Aboveground biomass for Nine caatinga species, all but Cereus jamacaru, Brazil. Inputs: Root collar diameter. As printed (Table 2, p. 938): > All but C. jamacaru: 0.0644*DGL2.3948 R2 0.9207 Page: https://treeallometry.org/equations/sampaio-2005-all-9-dgl/ ### Nine caatinga species, DBH x height Aboveground biomass for Nine caatinga species, all but Cereus jamacaru, Brazil. Inputs: DBH + Height. As printed (Table 2, p. 938): > All but C. jamacaru: 0.0612*(DBH*H)1.5811 R2 0.9478 Page: https://treeallometry.org/equations/sampaio-2005-all-9-dbh-h/ ### Nine caatinga species, DGL x height Aboveground biomass for Nine caatinga species, all but Cereus jamacaru, Brazil. Inputs: Root collar diameter + Height. As printed (Table 2, p. 938): > All but C. jamacaru: 0.0292*(DGL*H)1.6371 R2 0.9382 Page: https://treeallometry.org/equations/sampaio-2005-all-9-dgl-h/ ### Schinopsis glabra, caatinga, DBH Aboveground biomass for Schinopsis glabra, Brazil. Inputs: DBH. 30 trees. As printed (Table 2, p. 938): > S. glabra: 0.2274*DBH2.2710 R2 0.9742 Page: https://treeallometry.org/equations/sampaio-2005-schinopsis-glabra-dbh/ ### Schinopsis glabra, caatinga, ground-level diameter Aboveground biomass for Schinopsis glabra, Brazil. Inputs: Root collar diameter. 30 trees. As printed (Table 2, p. 938): > S. glabra: 0.1452*DGL2.2137 R2 0.9674 Page: https://treeallometry.org/equations/sampaio-2005-schinopsis-glabra-dgl/ ### Small caatinga species (A. pyrifolium, C. sonderianus, J. mollissima), DBH Aboveground biomass for Small caatinga species (A. pyrifolium, C. sonderianus, J. mollissima), Brazil. Inputs: DBH. As printed (Table 2, p. 938): > Small species (top 3): 0.2627*DBH1.9010 R2 0.8189 Page: https://treeallometry.org/equations/sampaio-2005-small-3-dbh/ ### Small caatinga species (A. pyrifolium, C. sonderianus, J. mollissima), ground-level diameter Aboveground biomass for Small caatinga species (A. pyrifolium, C. sonderianus, J. mollissima), Brazil. Inputs: Root collar diameter. As printed (Table 2, p. 938): > Small species (top 3): 0.0644*DGL2.1999 R2 0.8467 Page: https://treeallometry.org/equations/sampaio-2005-small-3-dgl/