Wickramagamage, P.2010-07-062010-07-061990Journal of the National Science Council of Sri Lanka, 18(1):p.1-16https://dl.nsf.gov.lk/handle/1/6615Catchment areasDeforestationForestsPlantationsLand useChena cultivationRainLand slidesSoil conservationWater conservationEnvironmental managementEnvironmental SciencesA man's role in the degradation of soil and water resources in Sri Lanka:a historical perspectiveArticle