Pabasara Gunawardane

sri lanka medicine plants sri lanka non-wood forest products commercial forest plantations teak mahogany angiosperm phylogeny group i classification plants community based environment conservation norochcholai coal plant sri lanka environment impa eco tourism rain foreste colodge deniyaya sri lank kalu ganga sri lanka floods control mitigation imp apatite eppawala sri lanka uses environment techno national policy #commercial forestry #private sector #sri lanka valuation history millennium assessment pes land reclamation remediation gem graphite gold sri plastic recycling sri lanka deduru oya gsmb river sand export