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Forest Ecosystems
Fig. 4 | Forest Ecosystems

Fig. 4

From: Tree water potentials supporting an explanation for the occurrence of Vachellia erioloba in the Namib Desert (Namibia)

Fig. 4

Namibrand, pre-dawn plant water potentials of Vachellia erioloba as a function of the dune ridge’s topography (elevation), 15th to 20th of September. The two vertical, dotted lines separate different sections (I, II and III), derived from a statistical “best fit” as described in the text. The diurnal ranges (mean ± SD) between mean pre-dawn and midday water potentials are significantly different at P < 0.05

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