Vachellia caven in Southern South America

Study Extent

Sampling across Chile, Argentina and Paraguay. The sampling was divided in two month for Chile and 3 months for covering Argentina and Paraguay.

Sampling

-For morphological studies, photos and physical samples were taken from 5 trees. These include 4 shoots (30 cm each) and 20 fruits with peduncle, per trees. Varieties were identified in lab and field, and vouchers were deposited in IBONE herbarium, and GEL. -For facilitation, trees were only georeferenced if they were higher than 3 m, and 2 m radius on the crown. Tress were distant at least 15 m between them in each population. -For niche study, the variety was recorded in field and the georeferences of the individual was taken.

Method steps

1. For the morphological study were checked the descriptions provided in: Aronson, J. (1992). Evolutionary biology of Acacia caven (Leguminosae, Mimosoideae): infraspecific variation in fruit and seed characters. Annals of the Missouri Botanical Garden, 958-968. Pometti, C. L., Cialdella, A. M., Vilardi, J. C., & Saidman, B. O. (2007). Morphometric analysis of varieties of Acacia caven:(Leguminosae, Mimosoideae): Taxonomic inferences in the context of other Argentinean species. Plant Systematics and Evolution, 264(3-4), 239-249.

A major portion of the distribution of Vachellia caven in South America