Figure 4: Relationship between species-level wood density and
population differentiation for survival (a) height increment (b) and
inherent growth rate, IGR (c) in tropical trees grown across three
common garden experimental plots. All points represent the
sympatric/allopatric calculations of local adaptation using pairwise
comparisons for lowland and upland provenances from the models. Values
greater than 0 (red horizontal line) indicate greater mean performance
of the local provenance in their local site (local adaptation), and
values < 0 indicate greater mean performance of the nonlocal
provenance in their nonlocal sites (maladaptation), significant
regression trends (P <0.05) are indicated by solid line.