Tree Diversity and Community Composition of the Tutong White Sands, Brunei Darussalam: A Rare Tropical Heath Forest Ecosystem

Figure 2

Principal component analysis biplot of soil and environmental variables in 24 subplots in the Tutong White Sands. Numbers denote 24 subplots. Variables are as follows: N: total soil N concentration, P: total soil P concentration, GWC: gravimetric water content, and openness: canopy openness.