Abstract
Population Graphs includes network theory to infer the relationship among individuals or populations and their respective roles. The hypothesis for this work establishes that Argentinean natural populations of Anadenanthera colubrina var. cebil keep ancestral polymorphism as a consequence of continuous historical distribution of this species in South America. Network analyses were performed centered on individuals and populations using two different measures which integrate genetic information in terms of time and divergence history. These analyses allow us to conclude that the populations of A. colubrina var. cebil display geographical isolation even though they are historically related.
Highlights
Contemporary genetic variation patterns in populations are a consequence of several historical and contemporary causes
Historical fragmentation was proposed as possible explanation for nuclear and chloroplast genetic structure detected in natural populations of A. colubrina var. cebil (Barrandeguy et al, 2014)
Taking in account this knowledge, the hypothesis for this work establishes that Argentinean natural populations of A. colubrina var. cebil keep ancestral polymorphism as a consequence of continuous historical distribution of this species in South America
Summary
Contemporary genetic variation patterns in populations are a consequence of several historical and contemporary causes. Historical fragmentation was proposed as possible explanation for nuclear and chloroplast genetic structure detected in natural populations of A. colubrina var. Cebil keep ancestral polymorphism as a consequence of continuous historical distribution of this species in South America.
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