Vol. 25 (2020): 25th International Forestry and Environment Symposium

DOI: https://doi.org/10.31357/fesympo.v25i

Published: 2021-08-31

Forest and Natural Resource Management

Variability of Pathogenicity of Different Isolates of Phellinus noxius: The Causal Organism of the Brown Root Disease of Rubber in Sri Lanka

M.K.R. Silva , T.H.P.S. Fernando , R.L.C. Wijesundara , C.M. Nanayakkara
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Different Habitats, Distribution Range and Diversity of Strobilanthes Species in Sri Lanka

N.R.M. Renuka , D.S.A. Wijesundara , P.C.G. Bandaranayake
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Investigation of Solubility of Eppawala Rock Phosphate Using Jeevamrutham

D.N.M. Weerasooriya , C.P. Udawatte , P.I. Yapa , E.P.N. Udayakumara
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Intercropping Agarwood Producing Species with Rubber for Sustaining Income

P.G.T. Dilrukshi , S.M.C.U.P. Subasinghe , N.M.C. Nayanakantha , A.M.W.K. Senevirathna , W.K.S.W. Watawala
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Developing a Multiple Criteria Decision Making Model for Selecting the Best Roadside Tree Species in Different Urban Environmental Settings in Colombo District, Sri Lanka

C.T.M. Dissanayake , W.A.R.T.W. Bandara
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Drought Tolerant Microorganisms to Promote the Growth of Finger Millet (Eleusine coracana) under Drought Conditions

H.N.Y. Dharmarathne , L.J.S. Undugoda , H.M.K.N.K. Hennayake , M.H.M.M.N. Mapa , I.R. Imtiaz , K.V.A.T. Kodithuwakku , R. Wimalasekera
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Revealing the Outstanding Floristic Value of Hatton-Nallathanniya Area of the Adam’s Peak Wilderness, Sri Lanka

H. Gamhewa , H. Kathriarachchi , A. Attanayake
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Variability of Trichoderma Population Isolated from Rubber Growing Soils, Showing Antagonistic Ability against Rigidoporus microporus, the Cause of White Root Disease of Rubber

K.L.K. Shehani , T.H.P.S Fernando , M.K.R. Silva , P.W. Balasooriya
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Population Genetic Structure of Swallows within the Pacific Clade

T. Thakshila , E. Scordato , S. Seneviratne
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Seed Biology of Ten Common Roadside Sri Lankan Weed Species

L.R.L.S Kumari , D.M.N.H. Gunadasa , D.J. Merritt , S.R. Turner , N.S. Gama Arachchige
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Associated Fungal Community in Infected Agarwood Tissues and Associated Soil of Gyrinops walla

A.N.G.C.K. Vidurangi , D.S. Manamgoda , S.M.C.U.P. Subasinghe , K.M.E.P. Fernando
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Development of Best Fit Models Based on Allometric Equations to Predict the Clear Bole Height Stem Carbon Content of Rhizophora mucronata in Kadolkele and Rekawa Mangrove Forests

P.M. Liyanage , W.M.D.N. Wijeyaratne
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Value Addition to Natural Rubber by Enhancing Electrical Conductivity through the Incorporation of Carbon Nanotubes

C.M. Mapalagama , K.M.P.P.K. Pamunuwa , A.A.D.T. Abeysinghe , S.A. Ekanayake , N.M.S. Sirimuthu , E.J. Fernando , T.N.B. Etampawala , L. Karunanayake , A.R. Kumarasinghe
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Determination of Tolerance Limits of Dimethyl Sulfoxide (DMSO) on Selected Bacterial Strains for the Antimicrobial Assays of Natural Products

D. Wanigasekara , P. Madhushanthi , C. Liyanaarachchi , G. Wijayaratne, M. Napagoda
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Variability of Colletotrichum Species Causing Colletotrichum Leaf Disease in two Main Rubber Growing Districts: Kalutara and Ampara in Sri Lanka

A.H.M.N.R. Aberathne , T.H.P.S. Fernando , D.A.D.A. Daranagama
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Foraging Behaviour of Sri Lanka Green Pigeon (Treron pompadora) in Tropical Wet Evergreen Forests of Sabaragamuwa Province, Sri Lanka

S. Chandrasiri , M. Liyanage , B. Chandrasiri
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Species Distribution Models to Predict Suitable Habitats for Conservation of the Endangered Lagenandra bogneri (Araceae)

G.K.I.S. Madola , K. Yakandawala , D.M.D. Yakandawala , S.B. Karunarathne
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The Efficacy of Uprooting Method to Control Prosopis juliflora in Bundala National Park of Sri Lanka

C. Rathnayake , B. Ranaweera , R.H.M.K. Ratnayake , P.A.C.N.B. Suraweera
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Performance Evaluation of Coconut (Cocos nucifera L.) Nurseries in Kurunegala District of Sri Lanka

A.W.S. Pushpakumara , B. Madhurasinghe , T.D. Nuwarapaksha , K.L.D.B.P. Liyanage , K.S. Weerasinghe , B. Gajanayake
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An Assessment of the Impacts of Elaeis guineensis (Oil Palm) Cultivation on Ground Water Table in Sri Lanka

D.M.C.P. Dissanayaka , W.A.R.T.W. Bandara
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Antimicrobial Activity of Mangifera zeylanica Stem Bark from two Climatic Zones in Sri Lanka

S.L.A. Gunawardana , W.D.S.A. Wickrama , K.G.A. Kapuwella , M.A. Siriwardhene , N.M.S. Sirimuthu , T.D.C.P. Gunasekara
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Flood Disaster, Wetland Loss and Ecosystem Services: Community Perceptions-A Case Study from Muthurajawela Wetland Complex, Sri Lanka

S.T. Siriwardhana , A. Gunawardena , A. Mallawatantri , D.D. Wickramasinghe
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Waste Management and Pollution Control

Estimation of Methane and Carbon Dioxide Gas Emissions from a Municipal Solid Waste (MSW) Open Dumpsite in the Tropical Climate

P.L. Herath , D.T. Jayawardana , N.J.G.J. Bandara
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Hotel Sewage Sludge Derived Biochar as an Adsorbent for Aqueous Cadmium Removal

R.B. Mudiyanselage , P. Mantilaka , T. Senarathne
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Transitioning Towards a Circular Textile Economy: Sharing Knowledge and Best Practices from Sri Lanka

R.M.N. Sulochani , R.A. Jayasinghe , A.H.L.R. Nilmini , G. Priyadarshana
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Fish Waste of Anguilla nebulosa, Anguilla bicolor, Carcharhinus sp. and Netuma thallasina for Production of Fish Oil

S.H.M. Zabith , H.M.K.K. Pathirana
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Pyrene Degradation Ability of Phyllosphere Bacillus Species Bacteria Inhabiting the Urban Areas in Sri Lanka

R.B.N. Dharmasiri , A.H.L.R. Nilmini , L.J.S. Undugoda , N.N.R.N. Nugara , S.D. Udayanda , M.M. Pathmalal
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Coir Fibre Ret Liquor Treatment by Fenton Oxidation and Coagulation

U. Siriwardhane , A. Cooray
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Environmental Engineering and Green Technology

Microwave Assisted Solvent-Free Green Approach to Synthesis of Oxindole Derivatives using Surface Modified Silica from Rice Husk Waste

H.P.S.K. Wijekoon , N.P.L.N. Palliyaguru , T.D.C.P. Gunasekara , S.S.N. Fernando , P.M. Jayaweera , K.G.U.R. Kumarasinghe
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Influence of Street Tree Canopy on the Microclimate of Urban Eco-Space

R. Bandara , H. Rupasinghe , R. Halwatura , G. Jayasinghe
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Development of a Low-Cost Transducer with Data Acquisition Software for the Continuous Measurement of Greenhouse Gas Percentages in Sri Lanka

H.G.K. Abeywickrama , K.P.S.C. Jayaratne
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Removal of Drinking Water Taste and Odour Causing Compounds using Modified Sand Filter; Green Solution via Biotechnology

S. Ganegoda , M.M. Pathmalal
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Studies on Identification of Algal Population, Detection and Removal of Algal Toxin in the Peraru Water Reservoir in Vavuniya

K. Puthumailolan , S. Pathmanathan , S. Saravanan , T.A. Christie
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Water Hardness Removal by Coconut Shell Activated Charcoal

R.A.J.J. Rajapaksha , P.T.S. Pallege , A.C.W.W.M.C.L.K. Coswatte
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Development of Zeolite Based Repellent Formulations for the Sustained-Release of Ruta graveolens Essential Oil against Sitophilus zeamais

W. Perera , S. Karunaratne , M. Chinthaka , A. Siriwardhene
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Green Approach to Develop Antimicrobial Fabric using Garcinia zeylanica and Tea Waste Extract

M.K.S.C. Alwis , L.B.A.E. Bogahawatte , T.D.P.C. Gunasekara , P.M. Jayaweera , K.G.U.R. Kumarasinghe
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Mechanochemical Conversion of Ilmenite to Synthetic Rutile: A Green Technology

H.C.S. Subasinghe , A.S. Ratnayake , T.D.U. Wijewardhana
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Environmental Economics and Resource Management.

Factors Associated with the Technical Efficiency among Coconut Smallholders’: A Case Study in Kurunegala District of Sri Lanka

T.D. Nuwarapaksha , K.L.D.B.P. Liyanage, A.W.S. Pushpakumara , K.H.M.I. Karunarathne , L.B. Dunsford , B. Gajanayake
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Use of M-Sand for Manufacturing Concrete Paving Blocks for Sri Lankan Roads

R.A.I. Chathuranga , K.M.L.A. Udamulla
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ISO 14000 Series of Standards, Emerging Needs and Expected Contribution from Stakeholders

L.H.D. Bandusoma
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Comparison of Conventional and Organic Modes of Low Country Tea Cultivation using Life Cycle Approach: A Study in Neluwa DS Division, Sri Lanka

H.C.I. Rodrigo , U.A.D.P. Gunawardena , P. Abeygunawardena
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Analytical Hierarchy Process for Comparison of Organic and Chemical Farming of Tea Small Holdings in Baddegama, Galle

D. Jayasinghe , M. Wijesinghe , U.A.D.P. Gunawardena , K. Mohotti , W.T.V. Thatsarani
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Understanding the River Basin Classification of Sri Lanka

J. Katupotha , S.G. Gamge
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Household Preferences and Willingness to Pay for Improved Solid Waste Management Services in Colombo 15, Sri Lanka

M.J.J. Addrell , U.A.D.P. Gunawardena
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Improving Organisational Sustainability Performance through Integrated Green Production Collaboration (GPC) and Environmental Management Actions (EMA) in Agro Based Manufacturing Sector in Anuradhapura District

M.A.K.N. Aravinda , P.S.K. Rajapakshe , R.G.P. Sandaruwan , M.M.R. Upali
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Determination of the Relationships between Consumption of Rice (Oryza sativa) With Heavy Metals and the CKDu Prevalence in Riddemalliyadda, Sri Lanka

I.H. Karunarathna , J.A. Liyanage
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Commuter Preferences and Willingness to Pay for Light Rail Transit System: A Study along the Proposed Green Line

U. A. D. P. Gunawardena , H. Jayakody , N.U. Samarasekara
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Wood Science, Wood and Non Wood Industry

The Effect of Incising on Coal-Tar Creosote Treated Wooden Sleepers to Increase Retention

W.V.T.D. Amarasinghe , C.K. Muthumala
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A Study on the Compression Strength Performance of Finger Joints in Commonly Used Timber Species in Sri Lanka

C.K. Muthumala , S. De Silva , P.L.A.G. Alwis , K.K.I.U. Arunakumara
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Market Survey for Wooden Furniture Industry in Sri Lanka

V.R.A. Siriwardana , C.K. Muthumala
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Investigating Hydroscopic Property of Historical Timber against Load Bearing: A Case Study on Ambalam(s) Sri Lanka

M. Mendis , R. Halwathura , H. Amarasekera , R. Jayasinghe , R. Somadewa
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Utilisation of Wood Waste in Moratuwa Wood Working Industry

G.L.H.S. Himandi , H.S. Amarasekara , P.K.P. Perera , R. Rupasinghe
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Covid 19 on Environment and Society

Agrochemical Usage and Farmers Perception on Selecting Pesticides in Upper Uma Oya Watershed in Sri Lanka

R.G.I Sumudumali , I.D.U.H. Piyathilake , J.L.P.C. Randika , J.M.C.K Jayawardana , S. Malavipathirana , E.P.N. Udayakumara , S.K. Gunatilake
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The Importance of Non-Timber Forest Products in Livelihood Maintenance of Rural Communities of Mulatiyana Forest Reserve, Sri Lanka

B.T. Weththasinghe , H.I.U. Caldera
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Genetic Diversity and Beverage Quality of King Coconut Collected from Kurunegala District of Sri Lanka

K.M.M Thamel , M.K Meegahakumbura , P.N. Dasanayaka
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Potential of Extra Income Generation for the Rural Sector by Medicinal Plant Cultivation

K.D. Munugoda , S.M.C.U.P. Subasinghe , D.S. Hettiarachchi , A.T. Cooray , M. D. Hapugoda
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Impact of Covid- 19 on Herbal Sector; an Opportunity for Development of Traditional Medicinal and Aromatic Plants Based Natural Products for Rural and Societal Development

S. Chandrashekhar , A. Bhandari
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Extraction and Characterisation of Pectin from Lemon Peels and Its Food Application

D. Dhushane , T. Mahendran
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Biodiversity and Sustainable Tourism

Resolving the Phylogenetic Status of Dicrurus paradiseus Allospecies Cluster in Sri Lanka

S. Weerakkody , E. Goodale , S. Seneviratne
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Study of Major Reef Fish Families and Their Feeding Types with Relation to Different Size Variations in three Major Coral Reefs in Southern Province of Sri Lanka

G. Bandara , V. Gunasinghe
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Assessment of the Blue Carbon Stocks Including Mangroves, Sea Grasses and Salt Marshes in Puttalam, North West Sri Lanka

S. Gobisankar , D.M.S.H.K. Ranasinghe
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Investigating the Assemblage and Activity Patterns of Mesomammals of Order: Canivora in Maduru Oya National Park Using Camera Trap

E.G.D.P. Jayasekara , W.A.D. Mahaulpatha
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An Investigation of Factors Affecting the Willingness to Pay for Conservation of Mangroves in Negombo Lagoon: A Case Study of North Pitipana in Negombo

G.R.S.D. Gamage , M.M.R. Upali
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Foraging Habitat Utilisation of the Lesser Adjutant Stork around Maduru Oya Reservoir

P.C.W.U. De Silva , W.A.D. Mahaulpatha , K.H. Dilrangi
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Knowledge, Perceptions and Practices of Undergraduates on the Use of Native flora in Landscaping: A Case Study from a State University in Sri Lanka

L. Ranasinghe , K. Yakandawala , L. Udayanga
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Morphology and Morphometrics of Egg Masses of Fall Armyworm, Spodoptera frugiperda (Lepidoptera, Noctuidea) in Sri Lanka

R.H. Kasige , N. Pallewatta , C.D. Dangalle
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Breeding Biology of Dull-blue Flycatcher (Eumyias sordidus) in Tropical Montane Cloud Forests of Sri Lanka

W.D.S.C. Dharmarathne , W.A.D. Mahaulpatha
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Habitat Utilisation of Waterbirds in and around Maduru Oya Reservoir

K.H. Dilrangi , P.C.W.U. De Silva , W.A.D. Mahaulpatha
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Wet Climate Drives Melanistic Giant Squirrel Ratufa macroura melanochora in Wet Zone of Sri Lanka

K. Pathirana , S.S. Seneviratne
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Potential of Smallholder Rubber Farming Based Agro-tourism-A Case Study in Moneragala District in Sri Lanka

P.K.K.S. Gunarathne , T.M.S.P.K. Tennakoon , J.C. Edirisinghe
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Diversity and Infestation Level of Nest-dwelling Ectoparasite in Five Types of Bird Nests in Sri Lanka

V.S. Kulatunga , I.C. Perera , P.N. Dayawansa
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Floristic Survey in Dombagaskanda Forest Reserve in Kalutara District, Sri Lanka

V.C.P. Jayaratne , B.M.P. Singhakumara
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Phylogenetic Affinities of an Endemic Cloud Forest Avian Relict: Sri Lanka Bush Warbler (Elaphrornis palliseri)

T. Krishan , S. Weerakkody , S. Senevirathne
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Geology, Soil and Disaster Management

Reconstruction of Quaternary Environmental Changes on Eastern Coast of Sri Lanka.

T.D.U. Wijewardhana , A.S. Ratnayake , H.C.S. Subasinghe , N.P. Ratnayake , A.M.A.N.B. Attanayake , T. Haraguchi , K. Goto , H. Tetsuka , Y. Yokoyama , Y. Miyairi
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Spatial Clustering of Dengue Fever Incidence and Its Association with Land Use and Land Cover: A study in Kolonnawa Divisional Secretariat, Sri Lanka

T. Perera , D. Jayawardana
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New Biomass Fertiliser System Development Using Urea Incorporated Wrightia zeylanica (Wal-Idda) Wood Chips

P.V.G.S. Bhagya , W.A.P.J. Premaratne
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Characterisation of Kaoline Rich Laterite Soil for the Development of Soil Based Cosmetic Products

N.U.S. Dissanayake , P.G.H. Pupulewatte , D.M. Senevirathne, D.T. Jayawardana
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Spatiotemporal Variability of Landslides as a Consequence of Land Cover Changes: A Case Study from Kegalle District

C. Perera , K. Gimhani , C. Gunaratne , P. Kuruppuarachchi
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Stabilisation of Fine Grained Soil Using Fly Ash and Lime to Use as Embankment Material

R.M.S. Priyadarshani , K.M.L.A. Udamulla
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Process Optimisation for Efficient Production of Biodiesel from Microalgae (Chlorella sp.) Isolated from Sri Lankan Aquatic Habitats

B. Perera , A. Ratnatilleke
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Performance of Thermally Activated Laterite Soil as Adsorbent for the Removal of Phosphate and Fluoride

N.U.S. Dissanayake , P.G.H. Pupulewatte , D.T. Jayawardana
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Modification of SM Soil Material Mixed with SC Soil material for Use of Dam Construction

D.M.P. Kithsiri
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Identifying Spatial Clusters of Vulnerability Levels to Floods: An Initiative to Improve Disaster Resilience

T.S.D. Mendis , R.M.S.S. Sanjeewani
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Determination of Potential Toxic Heavy Metals and Quality in Soil in a Chronic Kidney Disease of Unknown Etiology (CKDu) Hotspot, Sri Lanka

S. Sewwandi , J. Liyanage
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Assessment of Technical and Financial Viability of Producing Biomass Pellets with the Use of Brewery Sludge and Saw Dust for Local Industrial Boilers

A. Lansakara , R. Bandara
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Adsorption Modification of Carbonate Rock Powder in Sri Lanka for the Removal of Contaminated Waste from Industrial Dye

R.P. Hettiarachchige , D.T. Jayawardana
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Climate Change and Water Resource Management

Synthesis of a Bifunctional Chitosan Derivative and Its Applications in Removal of Metal Ions in Aqueous Solutions

W.K.D. Weerasinghe , S.S.L.W. Liyanage , A.T. Cooray , K.G.U.R. Kumarasinghe
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Assessing and Mapping the Shoreline Change in Pottuvil Region, Sri Lanka from 1987 to 2018: using GIS and Remote Sensing Technique

K.M.S. Perera , G.M. Bandaranayaka , B.A.S.C. Kumara
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Adaptation and Optimisation of Cloud Point Extraction Procedure to Determine Aluminium Content in Aqueous Solutions

D.W.P.U. Amarasena , A.T. Cooray
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Quantification of Stem Flow in Seven Tree Species in an Urban Environment of Sri Lanka

V.G. Balasuriya , G.G.T. Chandrathilake
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Modeling the Water Quality of Attanagalu Oya

B.B.R. Perera , N.J.G.J. Bandara , R.P.K.C.M. Ransinghe , C.D.K. Pathirana
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Paired Watershed Delineation and an Analysis to Identify Its Morphological Features in Yagirala Forest Reserve

L. Kodithuwakku , G.G.T. Chandrathilake
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Spatial Distribution of Water Quality Parameters in Malala Lagoon of Bundala National Park, Sri Lanka

K.P.K. Madushani , M.D. Amarasinghe , R.M.C.S. Ratnayake , D.D.G.L. Dahanayaka
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