TOWARDS A GREEN ECONOMY

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Highlights of the 17Highlights of the 17thth International Forestry & International Forestry &

Environment Symposium 2012Environment Symposium 2012 Organized by Department of Forestry and Environmental

Sciences, University of Sri Jayewardenepura in collaboration with the Ministry of Environment

November 16th & 17th, 2012 at Pegasus Reef Hotel, Wattala, Sri Lanka

Compiled by Prof Hemanthi Ranasinghe

ThemeTheme

Towards a Green EconomyTowards a Green Economy

100 papers read under 8 sub themes &posters

Sub themesSub themes

Forest Management and Timber UtilisationForest Management and Timber Utilisation Biodiversity Conservation and Biodiversity Conservation and

ManagementManagement Natural Resource ManagementNatural Resource Management Waste Management and Pollution ControlWaste Management and Pollution Control Sustainable EnergySustainable Energy Climate ChangeClimate Change Socio economics of natural resourcesSocio economics of natural resources Sustainable TourismSustainable Tourism

Chief Guest - Hon. Minister of Environment, Mr Anura Priyadarshana YapaGuest of Honor – Dr. B.M.S. BatagodaVice Chancellor – Dr. N.L.A. KarunarathneDean/Science – Prof. Sudantha LiyanageHead of Dept. – Prof. Nilanthi BandaraCoordinator – Dr. Priyan Perera

Highlights of the Inaugural Highlights of the Inaugural Session Session

Green economy is a concept which has come to Green economy is a concept which has come to stay with the entire world and we are compelled stay with the entire world and we are compelled to work toward it.to work toward it.

Government of Sri Lanka is serious about Government of Sri Lanka is serious about adopting greening principles to developmentadopting greening principles to development– Development of National Green Accounting – to Development of National Green Accounting – to

maintain environmentally friendly standardsmaintain environmentally friendly standards

– Tax benefits for greener technologies and approaches Tax benefits for greener technologies and approaches in Budget.in Budget.

The value of our neighboring nations in The value of our neighboring nations in knowledge procurement and sharingknowledge procurement and sharing

The importance of networking with other The importance of networking with other institutions both locally and internationallyinstitutions both locally and internationally

The contribution of the University as a Centre of The contribution of the University as a Centre of Excellence in Sustainable Development not only Excellence in Sustainable Development not only in Asia but in the world alsoin Asia but in the world also

Sub Theme: Natural Resource Sub Theme: Natural Resource ManagementManagement

We should have development giving due We should have development giving due concern to environment so that the concern to environment so that the development is sustainable. development is sustainable.

Mella leaves (Mella leaves (Olax zeylanicaOlax zeylanica) can be used to ) can be used to curtail the insect damage in storage ricecurtail the insect damage in storage rice

Mapping the disease incidence of gall wasp in Mapping the disease incidence of gall wasp in Eucalyptus using climatic factors – by GIS Eucalyptus using climatic factors – by GIS technologytechnology

Ketala (Ketala (Lagendra ovataLagendra ovata) can be used as a good river ) can be used as a good river bank stabiliser.bank stabiliser.

Green Bamboo (Green Bamboo (Dendrocalamus spp) Dendrocalamus spp) can be can be propagated vegetatively using branch cuttings under propagated vegetatively using branch cuttings under mist conditions using soil:sand:coir dust misture with mist conditions using soil:sand:coir dust misture with rootone hormone.rootone hormone.

Paddy husk coated urea is a good slow releasing Paddy husk coated urea is a good slow releasing nitrogen fertiliser for paddy cultivation.nitrogen fertiliser for paddy cultivation.

Forest Management and Timber Forest Management and Timber Utilisation Utilisation

Soil physical and chemical parameters are very important in determining Soil physical and chemical parameters are very important in determining the plant growth especially N, P and K.the plant growth especially N, P and K.

Khaya senegalensis Khaya senegalensis is faster growing than Mahogany but due to color is faster growing than Mahogany but due to color and less heartwood percentage the market acceptability is an issue!and less heartwood percentage the market acceptability is an issue!

Mulching can be used for early detection of white root disease in rubber.Mulching can be used for early detection of white root disease in rubber.

The oil content of sandalwood did not vary between dbh and height or The oil content of sandalwood did not vary between dbh and height or heartwood percentage. heartwood percentage.

The presence of knots is the major drawback for reduced price in timber.The presence of knots is the major drawback for reduced price in timber.

Biodiversity Conservation & Biodiversity Conservation & ManagementManagement

It is required to maintain homegardens & natural areas as It is required to maintain homegardens & natural areas as natural corridors for fauna and the government should natural corridors for fauna and the government should provide facilitation to maintain these. Species with high provide facilitation to maintain these. Species with high conservation status should be given priority for planting. conservation status should be given priority for planting.

It is important to conserve fauna in small natural pockets in It is important to conserve fauna in small natural pockets in urban areas and this needs education and awareness of publicurban areas and this needs education and awareness of public

Discoveries of species ie Discoveries of species ie Fissidens, Poicilotheria spp. Fissidens, Poicilotheria spp. p p

Research on critically endangered species Research on critically endangered species ie. Land snails and also those with high ie. Land snails and also those with high conservation status is a priority to conservation status is a priority to determine their habitats on the face of rapid determine their habitats on the face of rapid development.development.

Waste management and Pollution Waste management and Pollution ControlControl

Water quality of urban areas near waste Water quality of urban areas near waste dumpingdumping sites affect sites affect populations – ie Nawinna.populations – ie Nawinna.

Implementation of proper household waste mgt system Implementation of proper household waste mgt system depends on the education and income of the householders.depends on the education and income of the householders.

Biodegradable polymers can be made from agricultural Biodegradable polymers can be made from agricultural wastes – to reduce env pollutionwastes – to reduce env pollution

Molecular level toxicological assays can be used to detect Molecular level toxicological assays can be used to detect environmental pollutionenvironmental pollution

Landfill leachate pollution index can be used to Landfill leachate pollution index can be used to predict solid waste generationpredict solid waste generation

Kithul flour can be used as a natural polymer to Kithul flour can be used as a natural polymer to develop biodegradable polymerdevelop biodegradable polymer

Nutrients in effluents from tanneries can be Nutrients in effluents from tanneries can be removed by marine micro algae removed by marine micro algae Chlorella Chlorella marina.marina.

Climate ChangeClimate Change

Aqautic plant Azolla can be used effectively Aqautic plant Azolla can be used effectively for carbon sequestration (1.86 tonnes of for carbon sequestration (1.86 tonnes of CO2/ha/yr) and fixes 0.33 N/ha/yr and can CO2/ha/yr) and fixes 0.33 N/ha/yr and can be used as organic nitrogen fertiliser in be used as organic nitrogen fertiliser in paddy fields.paddy fields.

Sustainable Energy

Bio energy briquettes can be made from Bio energy briquettes can be made from Mana grass successfullyMana grass successfully

Our TeamOur Team

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