Does Shifting Cultivation Really Cause Deforestation? Lesson from Communal Forest Area in Sumatra, Indonesia. World Congress of Environmental and Resource Economists.. 1998.
The Effects of Forest Conversion on Annual Crops and Pastures: Estimates of Carbon Emissions and Plant Species Loss in a Brazilian Amazon Colony.. Agriculture, Ecosystems and Environment. 69(1):17-26.. 1998.
Enhancing Sloping Land Management Technology Adoption and Dissemination.. Farmers' adoption of soil-conservation technologies. Proceedings of 9th Annual Meeting of the ASIA LAND Management of Sloping Lands Network. :2.. 1998.
Erosion and Sedimentation as Multiscale, Fractal Processes: Implications for Models, Experiments and the Real World.. Soil Erosion at Multiple Scales, Principles and Methods for Assessing Causes and Impacts.. :223-253.. 1998.
Forest Soils under Alternatives to Slash-And-Burn Agriculture in Sumatra, Indonesia.. Soils of Tropical Forest Ecosystems: Characteristics, Ecology and Management. :175-185.. 1998.
Global Change and Multi-Species Agroecosystems: Concepts and Issues.. Agriculture, Ecosystems & Environment. 67(1):1-22.. 1998.
Inga and Insects: The Potential for Management in Agroforestry.. The genus Inga: Utilization . :117-139.. 1998.
La mejora de las agroselvas Arbol de Hule Hevea in Indonesia. Plantations, Recherche et Developpément. 5(2):99-105.. 1998.
Manejo E Preparo De Areas Submetidas Ao Pousio Com Pueraria Phaseoloides: Efeitos Sobre O Solo E Cultura Do Milho.. Pesquisa en Adamento No. 127. :3.. 1998.
Natural Forests: A Luxury or a Necessity for Farmers? An El Nino Dry Season in Sumatra, Indonesia. Agroforestry Today. 10(4):16-18.. 1998.
Participatory Approaches to Catchment Management: Some Experiences to Build Upon.. Site selection and characterization: Focus on biophysical and socioeconomic inventory. Proceedings of the Managing Soil Erosion Consortium Assembly.. :44.. 1998.
Pasture or Permanent Crops after Slash-And-Burn Cultivation? Land Use Choice In Three Amazonian Colonies. Agroforestry Systems. 42(1):45-59.. 1998.