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Fig. 5 | Annals of Forest Science

Fig. 5

From: Environment and tree size controlling stem sap flux in a perhumid tropical forest of Central Sulawesi, Indonesia

Fig. 5

Relationship between tree size, expressed in terms of tree height (H, m) or DBH (cm), and mean tree daily water use per tree (DWU, kg day−1) across 39 trees from seven species in the studied stand. Data correspond to the whole year 2008. The solid line is the linear regression line. Different symbols are used for the seven species studied. The regression line between DWU and tree height has the equation, Log (DWU) = −0.582 + 0.054H; and for DWU versus DBH, Log (DWU) = 0.095 + 0.024DBH

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Annals of Forest Science

ISSN: 1297-966X