Figure 2From: Longevity and growth of Acacia tortilis; insights from 14C content and anatomy of woodSites studied and trees sampled. Sampled individuals are encircled on imagery from the CORONA satellite (KH-4B, 1971), where trees are seen as black dots. Red symbols encircle individuals from which increment cores were dated. White symbols encircle other sampled individuals. Arrows indicate direction of water run-off. Letters refer to core name; named from up- to down- stream.Back to article page