Soils of Tropical Forest Ecosystems

An understanding of the characteristics and the ecology of soils, particularly those of forest ecosystems in the humid tropics, is central to the development of sustainable forest management systems. The present book examines the contribution that forest soil science and forest ecology can make to sustainable land use in the humid tropics. Four main issues are addressed: characteristics and classification of forest soils, chemical and hydrological changes after forest utilization, soil fertility management in forest plantations and agroforestry systems as well as ecosystem studies from the dipterocarp forest region of Southeast Asia. Additionally, case studies include work from Guyana, Costa Rica, the Philippines, Malaysia, Australia and Nigeria.

State of the Art Research Results on Forestry in the Humid Tropics with Emphasis on Soil Characteristics, Ecology and Management.

Inhalt
Content.- 1 Forest Soils in the Humid Tropics: Characteristics and Classification.- Soils of rainforests: Characterization and major constraints of dominant forest soils in the humid tropics.- The World Reference Base for Soil Resources: An introduction with special reference to soils of tropical forest ecosystems.- Soils of the tropical forests of Leyte, Philippines 1. Weathering, soil characteristics, classification and site qualities.- Soils of the tropical forests of Leyte, Philippines 2. Impact of different land uses on status of organic matter and nutrient availability.- 2 Chemical and Hydrological Changes after Utilization.- Soil chemical changes after tropical forest disturbance and conversion: The hydrological perspective.- Hydrology of Acrisols beneath Dipterocarp forests and plantations in East Kalimantan, Indonesia.- Nutrient dynamics in intact and logged tropical rain forest in Guyana.- Logging can cause a serious lack of calcium in tropical rainforest ecosystems: An example from Sabah, Malaysia.- Resilience of phosphorus transformations in tropical forest and derived ecosystems.- 3 Soil Fertility and Fertilization in Forest Plantations and Agroforestry Systems.- Nutrient disorders and nutrient management in fast growing plantations.- Growth response of rainforest cabinet timber species to fertilizer application in North Queensland plantations.- Site specific fertilizer requirements of tropical Pine plantations.- Above-ground nutrient dynamics of Caribbean Pine (Pinus caribaea) plantation ecosystems.- Nutrient retranslocations during the early growth of two exotic plantation species.- Effect of fertilizing on establishment and early growth of tree plantations on Imperata cylindrica grasslands.- Effect of tillage and woody hedgerows in alley cropping on theproductivity of an Alfisol.- Longterm studies of soil fertility in cacao-shade trees-agroforestry systems: Results of 15 years of organic matter and nutrients research in Costa Rica.- 4 Ecosystem Studies in Dipterocarp Forests of Southeast Asia.- Soil environment and tree species diversity in tropical rain forest, West Sumatra, Indonesia.- Distribution characteristics of mineral elements in trees of tropical rain forest, West Sumatra, Indonesia.- Forest soils under alternatives to slash-and-burn agriculture in Sumatra, Indonesia.- Fine root inventories in Dipterocarp forests and plantations in East Kalimantan, Indonesia.- Vesicular-arbuscular mycorrhizas of durian and other plants of forest gardens in West Kalimantan, Indonesia.- Natural rehabilitation of disturbed tropical rainforest soils in Sabah, Malaysia.

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