Figure 1

Study area. The Tehuacán Valley. Location of the villages and populations of Stenocereus pruinosus studied. W1 (Wild Santa Lucía); W2 (Wild Fiscal), W3 (Wild Coxcatlán), S1 (Silviculturally Managed San Luis Atolotitlán), S2 (Silviculturally Managed Coatepec) S3 (Silviculturally Managed Coxcatlán), A1 (Agriculturally managed San Luis Atolotitlán), A2 (Agriculturally managed Coatepec), A3 (Agriculturally managed Coxcatlán).