Copal is a resin of ritual uses in Mexico that is extracted from several species of trees of the
genus Bursera. The effect of traditional management on phenotypical traits of copal trees
has not been sufficiently studied. This research analyzed the traditional management and
human selection on populations of Bursera bipinnata, and it also examined their influence
on the quantity and quality of the resin produced by wild and managed trees. The
management of copal was documented through semi-structured interviews and workshops …