WOOD SPECIFIC GRAVITY GRADIENTS IN TROPICAL DRY AND MONTANE RAIN FOREST TREES

@article{Wiemann1989WOODSG,
  title={WOOD SPECIFIC GRAVITY GRADIENTS IN TROPICAL DRY AND MONTANE RAIN FOREST TREES},
  author={M. Wiemann and G. B. Williamson},
  journal={American Journal of Botany},
  year={1989},
  volume={76},
  pages={924-928}
}
Pith to bark specific gravity (SG) trends were investigated in 18 tropical dry forest and six montane rain forest tree species of Costa Rica. Eleven dry forest species showed statistically significant increases in SG with distance from pith. The increases ranged from 20-80%; the greatest changes were exhibited by species which are known to occur in tropical wet as well as tropical dry forests. The other seven species showed no change in SG with distance from pith. [...] 
Radial gradients in wood specific gravity in trees of Central Amazonian floodplains
Diversity in specific gravity and water content of wood among Bornean tropical rainforest trees
Age-dependent radial increases in wood specific gravity of tropical pioneers in Costa Rica
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