Figure 4.11 Morphological plasticity in response to water. Plants living under scarce water conditions have a higher root to shoot ratio. By devoting more growth into the roots than into the shoots, these plants can better obtain water when it is scarce. Error bars are standard errors.

After A. Weigelt et al., Competition among three dune species: The impact of water availability on below-ground processes, Plant Ecology 176 (2005): 57–68.