| Sumario: | Parkia biglobosa (Fabaceae-Mimosoideae) is one of the most important and widespread trees in
agroforestry systems from Senegal to Uganda. The National Tree Seed Center (CNSF) of Burkina
Faso has developed a breeding and improvement program for this multipurpose tree. To better
conserve and promote the best reproductive materials for domestication, it is important to
understand how farmers perceive and manage the species in their fields. Farmers appear to have
an active role in shaping tree species diversity and richness, affecting also the overall spatial
distribution, density, and structure of tree populations. We examined some choices made by
farmers with regard to species and individuals to be maintained, and practices used to conserve
trees
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