In Borneo A. dammara attains its greatest ecological amplitude. It occurs over a great range of
elevations, from sea level to about 1000 m and, as noted in sect. 2.2, some high elevation trees have distinctive small leaves and small cones. In the lowlands it occurs in heath forest, peat swamp forest, on ultisols derived from sedimentary rocks and over ultrabasic rocks. Most of its range is within the area of perhumid climate but near the south and east coasts it occurs in a slightly seasonal Bclimate