Wood Specific Gravity Variations and Biomass of Central African Tree Species: The Simple Choice of the Outer Wood.

PLoS One · 2015 · PMC4640573 · PMID 26555144

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a decreasing trendno p-value reported

Shade-tolerant species systematically showed high WSG values with a decreasing trend along the radial profile (negative slopes, Fig 4 ).

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an increasing trendno p-value reported

Wood density profiles with an increasing trend from pith-to-bark and a low WSG were not systematic for light-demanding species.

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