Igor Debski, David F. R. P. Burslem, Peter A. Palmiotto, James V. LaFrankie, H. S. Lee, and N. Manokaran. 2002. Habitat preferences of Aporosa in two Malaysian forests: implications for abundance and coexistence. Ecology 83:2005-2018.

A1) Soil texture at Lambir: black = classes 1 and 2 (most clay rich), white = classes 6 and 7 (most sand rich).
A2) Topography at Lambir: black = ridge top, white = valley bottom, x = no data available.
A3) Forest phase at Lambir: black = stage 1 (early), white = stage 4 (late).
A4) Soil type at Pasoh: black = shale, dark grey = lateritic, light grey = alluvial well drained, white = alluvial imperfectly drained.
A5) Topography (six classes) at Pasoh: black = hill tops, white = valley bottom.
A6) Forest phase at Pasoh: black = stage 1 (early), white = stage 4 (late).