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Table 3 Percent of genetic variation within chimpanzee populations explained by GDM a

From: Environmental variation and rivers govern the structure of chimpanzee genetic diversity in a biodiversity hotspot

Chimpanzee Population b Two-population model
Distance only c Environment only d Environment + Distance e
P. t. ellioti f 6 20 -
P. t. troglodytes 12 42 48
  Three-population model
  Distance only Environment only Environment + Distance
P. t. ellioti (Rainforest) 2 91 -
P. t. ellioti (Ecotone) 1 37 -
P. t. troglodytes 12 42 48
  1. aIn order to examine genetic diversity within populations, only microsatellite data (F ST ) was used.
  2. bSub-groupings of chimpanzee populations correspond to distinct genetic populations as determined by Mitchell et al. [23]. The P. t. troglodytes group was included in both the two- and three-population model, as only the P. t. ellioti group is sub-divided in the three-population model.
  3. cModel includes only geographic distance between sample locations as a predictor variable.
  4. dModel only includes environmental data layers as predictor variables.
  5. eEntries are blank because geographic distance was not a significant contributor to the final model.
  6. fA least cost path layer for the Mbam River was included when running the P. t. ellioti two-population model, but as it was not a significant contributor, was not included in this table.