Archive for February, 2010
« Previous Entries Next Entries »Economic value of mangrove ecosystems in the Panama village, Ampara district:a case study
Tuesday, February 2nd, 2010K. Wijayaweera1, S.P.N. Perera2 and V.A.P. Samarawickrama3
Sri Lanka encompasses a high diversity of coastal vegetation, specifically mangroves and these ecosystems have provided a wide array of goods and services, ranging from fishery, forest products and tourism to shoreline protection. The need to assess the economic value of mangroves became more eminent to assist policy-makers and [...]
Socio-economic factors affecting the technology adoption level of sugarcane in rainfed sector in Sevenagala
Tuesday, February 2nd, 2010T.D.G.J. Peiris, N.R.Abeynayake and M.S. Perera
Sugarcane (Saccharum spp) is an important commercial crop cultivated in Sri Lanka over an area of 18,500 hectors. At present domestic sugar production is 56,000 tones per annum, which was sufficient to meet only 9% of the local requirement. The national average yield is 55 tones per hectare. The potential [...]
Economic valuation of conservation of genetic resources of wild rice relatives : Assessing the preferences of adjacent community for conserving Oryza granulata in the Wavulpane area
Tuesday, February 2nd, 2010R. Dissanayake1, S. Guruge1, M. Udugama1, M.U. Jayasinghe1, U.A.D.P. Gunewardena2
R.P.L.C. Randeni and R.S.S. Rathnayake3
This study was aimed to achieve the specific objective of assessing the preferences of adjacent communities for utilization, benefit sharing and conservation of the genetic resources of Wild Rice Relatives (WRR) in Sri Lanka and to explore the capability of setting the [...]
Assessing the preferences of plant breeders for utilization, benefit sharing and priorization of conservation of wild rice relatives in Sri Lanka
Tuesday, February 2nd, 2010S. Guruge1, R. Dissanayake1, M. Udugama1, M.U. Jayasinghe1, U.A.D.P. Gunewardena2, R.P.L.C. Randeni3 and R.S.S. Rathnayake3
The purpose of this study was to assess empirically the preferences of plant breeders for utilization, benefit sharing and conservation of the genetic resources of Wild Rice Relatives (WRR) in Sri Lanka. The Choice Experiment Models (CEM), i.e. stated preference method [...]
Community dependency on sand dunes for household income: Evidence from two coastal villages in Pottuvil
Tuesday, February 2nd, 2010P. Sivarajah and M. Anas
The eastern coast of Sri Lanka contains the longest stretch of sand dunes in the country. The Pottuvil sand dunes are a part of the sand dune series which extends from Pottuvil to Panama seashore. Sand dunes were excessively mined for commercial purposes in Pottuvil, both for sand and turtle egg [...]
Forest woodland ecosystem: An insight into the addition of litter through teak plantation
Tuesday, February 2nd, 2010A. K. Mani, S. Manivasakan, S. Vijayabaskaran
Teak is an important tree species grown under plantation conditions for timber requirement. Being a deciduous tree, it favours for accelerated nutrient cycling. A field experiment was conducted in an eighteen year old teak plantation at Forest College and Research Institute, Mettupalayam, Tamil Nadu, India to study the litterfall, [...]
Growth, biomass and carbon accumulation among rubber (Hevea brasiliensis), teak
Tuesday, February 2nd, 2010N. Appuhamy, L. Samarappuli and S. Karunaratne
The study was conducted to compare the biomass accumulation and carbon stocks among rubber, teak and mahogany. Above Ground Biomass of each species were calculated using the allometric models. Mean total tree height of rubber, teak and mahogany were ranging from 0.87 m to 20.32 m, 3.41 m to [...]
Timber production in high density planting of Hevea brasiliensis
Tuesday, February 2nd, 2010T.U.K. Silva, V.H.L. Rodrigo, S.M.C.U.P. Subasinghe
The demand of natural rubber has increased continuously with the increase in population and living standards of the human being. Rubber plantations are also a major resource of timber and fuel wood. In order to meet the continuous increase in demand for latex, timber and fuel wood, the productivity of [...]
Design an effective solid waste management system for a Local Authority in Sri Lanka
Monday, February 1st, 2010T.P.G.P.R. Gurusinghe and B.C. Liyanage
The problem of solid waste management is emerging as a major problem for policy makers in developing countries as the quantity of solid waste generated has increased significantly and its characteristics have changed as a result of the change in the peoples lifestyles due to swift industrialization and urbanization. In countries [...]
Adaption of different composting techniques by Local Government Authorities (LGA);
Monday, February 1st, 2010W.G.A.S. Kumara, S.N. Gamage and N.J.G.J. Bandara
Local Government Authorities (LGAs) in Sri Lanka face immense problems in attempting to mange municipal solid wastes. Disposal of solid waste has become a major environmental problem. Open dumping of solid waste has been the most common disposal practice in Sri Lanka. Unless properly managed, solid wastes have potential [...]