Table 2 The relative abundance, frequency and dominance of species, and Importance Value Index (IVI) of species present in the Ejido de San Juan Raboso, Izúcar de Matamoros, Puebla, (arranged in descending order by value of their IVI).
Scientific name | Relative abundance | Relative frequency | Relative dominance | IVI | |||
|---|---|---|---|---|---|---|---|
ind. ha−1 | % | Sites | % | m2 ha−1 | % | % | |
Opuntia streptacantha | 609 | 34.0 | 49 | 14.3 | 119.6 | 2.6 | 17.0 |
Ipomoea wolcottiana | 74 | 4.1 | 30 | 8.7 | 920.3 | 20.2 | 11.0 |
Ceiba aesculifolia | 26 | 1.4 | 12 | 3.5 | 808.2 | 17.7 | 7.6 |
Acacia pennatula | 113 | 6.3 | 29 | 8.5 | 227.1 | 5.0 | 6.6 |
Bursera bipinnata | 33 | 1.9 | 17 | 5.0 | 440.1 | 9.7 | 5.5 |
Lonchocarpus caudatus | 94 | 5.3 | 11 | 3.2 | 327.1 | 7.2 | 5.2 |
Stenocereus griseus | 96 | 5.4 | 24 | 7.0 | 108.9 | 2.4 | 4.9 |
Stenocereus stellatus | 104 | 5.8 | 27 | 7.9 | 39.9 | 0.9 | 4.8 |
Acacia farnesiana | 69 | 3.8 | 24 | 7.0 | 155.5 | 3.4 | 4.7 |
Echinocactus platyacanthus | 148 | 8.3 | 18 | 5.2 | 18.6 | 0.4 | 4.6 |
Mimosa benthami | 70 | 3.9 | 11 | 3.2 | 159.7 | 3.5 | 3.5 |
Piptadenia viridiflora | 46 | 2.6 | 13 | 3.8 | 192.4 | 4.2 | 3.5 |
Acacia coulteri | 30 | 1.7 | 14 | 4.1 | 209.4 | 4.6 | 3.4 |
Bunchosia lanceolata | 91 | 5.1 | 12 | 3.5 | 25.6 | 0.6 | 3.0 |
Acacia cochiliacantha | 59 | 3.3 | 12 | 3.5 | 67.0 | 1.5 | 2.8 |
Bursera copallifera | 15 | 0.8 | 8 | 2.3 | 205.3 | 4.5 | 2.6 |
Styphnolobium burseroides | 9 | 0.5 | 5 | 1.5 | 147.3 | 3.2 | 1.7 |
Pithecellobium acatlense | 24 | 1.3 | 8 | 2.3 | 42.5 | 0.9 | 1.5 |
Agave ghiesbreghtii | 26 | 1.4 | 5 | 1.5 | 20.4 | 0.4 | 1.1 |
Cyrtocarpa procera | 2 | 0.1 | 1 | 0.3 | 105.1 | 2.3 | 0.9 |
Masdenia zimapanica | 17 | 0.9 | 4 | 1.2 | 10.6 | 0.2 | 0.8 |
Celtis cauadata | 6 | 0.3 | 2 | 0.6 | 47.5 | 1.0 | 0.6 |
Conzattia multiflora | 2 | 0.1 | 1 | 0.3 | 46.0 | 1.0 | 0.5 |
Cassia emarginata | 17 | 0.9 | 1 | 0.3 | 2.1 | 0.05 | 0.4 |
Bursera aptera | 2 | 0.1 | 1 | 0.3 | 36.4 | 0.8 | 0.4 |
Lysiloma divaracata | 2 | 0.1 | 1 | 0.3 | 29.4 | 0.6 | 0.3 |
Bursera aloexylon | 2 | 0.1 | 1 | 0.3 | 23.3 | 0.5 | 0.3 |
Heliocarpus terebinthinaceus | 4 | 0.2 | 1 | 0.3 | 18.2 | 0.4 | 0.3 |
Agave karwinskii | 4 | 0.2 | 1 | 0.3 | 4.2 | 0.1 | 0.2 |
1793 | 100.00 | 343 | 100.00 | 4557.8 | 100.00 | 100.00 | |
