Land-use Change Impacts on Soil Processes in Tropical and Savannah Ecosystems : An Introduction / Francis Q. Brearley and Andrew D. Thomas -- Effects of Land-use Changes on Biochemical and Microbial Parameters in Soils of the Andaman Islands, India / Raghavan Dinesh, Arkalgud Ganeshamurthy and Subrata Ghoshal Chaudhuri -- Evaluating the Impact of Oil Palm Agriculture and Logging on Soil Microbial Communities in South-east Asia / Heather D'Angelo, Krista L. McGuire, Caitlyn Gillikin, Francis Q. Brearley and Dina C. Merrer -- Microbial Functioning in Response to a Simulated Drought in Malaysian Rain Forest and Oil Palm Soils / Francis Q. Brearley -- Impact of Land-use Changes in the Amazon on Bacterial Diversity, Composition and Distribution / Lucas W. Mendes, Ac鈇cio A. Navarrete, Cl鈕vis D. Borges, Eiko E. Kuramae and Siu Mui Tsai -- Acidification of Tropical Soils under Forest and Continuous Cropping in Thailand and Indonesia / Kazumichi Fujii, Chie Hayakawa, Shinya Funakawa and Takashi Kosaki -- The Importance of Soil Quality in the Safe Practice of Urban Agriculture in Zimbabwe, Kenya and South Africa / Lovemore Chipungu, Hangwelani H. Magidimisha, Michael Hardman and Luke Beesley -- Urbanization and Soil Nutrient Challenges and Opportunities : Lessons from Malawian Cities / David D. Mkwambisi, Andrew J. Dougill, Philip Antwi-Agyei and Chikondi P. Chabvuta -- Impact of Gold Mining on Mercury Contamination and Soil Degradation in Amazonian Ecosystems of French Guiana / Michel Grimaldi, St鈋phane Gu鈋dron and Catherine Grimaldi -- Erosion and Sedimentation Effects on Soil Organic Carbon Redistribution in a Complex Landscape in Western Ecuador / Marife D. Corre, Jeroen M. Schoorl, Free de Koning, Magdalena L鈕pez-Ulloa and Edzo Veldkamp -- Pastoralism and Kalahari Rangeland Soils / Andrew D. Thomas, David R. Elliott, Tasmin N.L. Griffith and Helen Mairs -- Changes in Soil Properties with Sugarcane Cropping in Mauritius / L. Ronald Ng Cheong and Gunshiam Umrit -- Patterns and Drivers of Soil Carbon Stocks and Isotopic Composition in Secondary Tropical Dry Forests of Costa Rica / Jennifer S. Powers, David W.P. Manning and Justin M. Becknell -- Conversion of Pastures into Tectona grandis Plantations in Western Panam鈇 : Effects on Soil Properties and the Mechanisms Underlying these Changes / Luitgard Schwendenmann and Simon Kaiser -- Land-use Change Impacts on Soil Processes in Tropical and Savannah Ecosystems : Emerging Themes and Future Research Directions / Andrew D. Thomas, Marife D. Corre, Luitgard Schwendenmann, Edzo Veldkamp, Kazumichi Fujii, Krista L. McGuire, David D. Mkwambisi, L. Ronald Ng Cheong, Jennifer S. Powers and Francis Q. Brearley.