Abstract
Rainfall interception, rainfall and throughfall composition, and fine litterfall were measured over 12 months in six 10x 10 m plots, located on 30(45? limestone hillslopes and footslopes in Peninsular Malaysia. From these data, estimates have been made of calcium, magnesium, potassium and sodium fluxes within the soil-vegetation system. The distinguishing feature of the limestone forests is their very active cycling of calcium and magnesium. Surface inputs of calcium in canopy leaching and fine litterfall (range 206-476 kg ha-' yrF) are 3-7 times greater than adjacent rain forests on granite and shale. The results also highlight the ecological diversity of the limestone forest formation, with fine litterfall (range 5.19-12.1 t ha-' yrF) and nutrient cycling correlating positively with the variations in soil depth and nutrient status described in Paper I (Crowther, 1982). The pedological and geomorphological implications of these findings are discussed.
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