Forestry & Environment Science: Recent submissions

Now showing items 21-40 of 67

Whole‐Tree Sap Flux in Quercus serrata Trees after Three Levels of Partial Sapwood Removal to Simulate Japanese Oak Wilt

Chandrathilake, G.G.T.; Tanaka, Nobuaki; Kamata, Naoto (John Wiley & Sons Ltd., 2016)

Plant transpiration plays a key role in the hydrological cycle in forested watersheds. Oak trees infested with Japanese oak wilt may show changes in transpiration even if they are still alive. However, to our knowledge, ...
Effect of Storage Time and Temperature on Gyrinops walla Gaertn. Seed Germination

De Alwis, H.N.; Subasinghe, S.M.C.U.P.; Hettiarachchi, D.S. (2016)

Certain members of Aquilaria, Gyrinops, Gonystylus and Aetoxylon genera of Thymelaeaceae family produce a highly valuable resin called agarwood inside the stem, branches and roots. Agarwood is extensively used for ...
Agarwood-type Resin from Gyrinops walla Gaertn: A New Discovery

Subasinghe, S.M.C.U.P.; Hettiarachchi, D.S.; Rathnamalala, E. (2012-06-21)

Agarwood is an expensive resinous product extracted from some members of Aquilaria and Gyrinops species of the family Thymalaeaceae. Agarwood essential oil is a highly valued perfumery product in modern cosmetics and ...
Agarwood Resin Production and Resin Quality of Gyrinops walla Gaertn

Subasinghe, S.M.C.U.P.; Hettiarachchi, D.S. (2013-01)

Agarwood is a resin produced by certain species of family Thymalaeaceae due to a self-defence mechanism. Most species of Aquilaria and a few species of Gyrinops, Aetoxylon and Gonystylus are capable of producing agarwood. ...
Greenhouse Gas Emissions from Plantation to the Proceeded Wood Products via State Timber Corporation Depots for Selected Tree Species using Life Cycle Assessment

Senadheera, D.K.L.; Ranasinghe, D.M.H.S.K.; Wahala, W.A.S.B.; Amarasekera, H.S. (University of Sri Jayewardenepura, Nugegoda, 2015)

Life Cycle Assessment (LCA) provides a methodological framework for evaluating environmental performance over the life cycle of a product, process, or an activity. In Sri Lanka, majority of timber for wood based industries ...
Treatability Performance of Kempas, Eucalyptus and Pine Sleepers with Coal-Tar Creosote

Karunathilake, E.M.B.M.; Amarasekera, H.S.; Dewendra, M.C. (University of Sri Jayewardenepura, Nugegoda, 2015)

Treating wood with coal tar creosote increases its service life by preventing biological deterioration. For the present study, creosote, major oil borne preservative was used to treat railway sleepers. In Sri Lanka, State ...
Study on the Determination of Sri Lankan Timber with Least Shrinkage Movement for Furniture and Joinery Work

Fernando, T.D.; Amarasekera, H.S. (University of Sri Jayewardenepura, Nugegoda, 2015)

The moisture content of wood depends on the relative humidity and the temperature of air surrounding it. The cells of timber contain large amount of water in cell cavities as free water and in cell walls as bound water. Wood ...
Product Carbon Footprint of Wooden Products in Sri Lanka: Special Reference to a Life Cycle of an Arm Chair

Senadheera, D.K.L.; Ranasinghe, D.M.H.S.K.; Amarasekera, H.S.; Wahala, W.A.S.B. (University of Sri Jayewardenepura, Nugegoda, 2015)

Forest and forest products have a vital role in mitigation of the global climate change. The main objective of this study was to assess the carbon emissions in the manufacturing of wood products taking an example of the ...
Performance of Teak in Response to Climate & Selected Soil Factors

Dulanga, H.R.; Subasinghe, S.M.C.U.P. (University of Sri Jayewardenepura, Nugegoda, 2016)

Tree growth rate is the most important variable in commercial forestry because most of the important management decisions are taken on the growth rate of trees. There are a number of factors controlling the distribution ...
Prediction of the Variation of Above Ground Biomass and Carbon Content of Coconut Trees with Age

Nanayakkara, P.S.S.; Subasinghe, S.M.C.U.P.; Peiris, V.R.S. (University of Sri Jayewardenepura, Nugegoda, 2016)

Coconut (Cocos nucifera) is a monocotyledonous plant belongs to family Arecaceae. It is grown on about 11.8 million ha of lands in more than 92 countries. Coconut plantations occupy over 6% of the total land area of Sri ...
Preliminary Investigation of the Habitat Selection of Indian Pangolin (Manis crassicaudata) in a Tropical Lowland Forest in South-West Sri Lanka

Pabasara, M.G.T.; Perera, P.K.P.; Dayawansa, N.P. (University of Sri Jayewardenepura, Nugegoda, 2015)

Indian pangolin (Manis crassicaudata) is a nocturnal, solitary and illusive mammal which has received less scientific attention. M. crassicaudata is listed as Endangered by IUCN and listed in Appendix II of the Convention ...
Composition and Functional Diversity of the Avifaunal Community at an Urban Landfill in Colombo District, Sri Lanka

Marasinghe, S.S.; Perera, P.K.P.; Dayawansa, N.P. (University of Sri Jayewardenepura, Nugegoda, 2015)

Putrescible waste landfills in urban settings are known to attract large number of birds. As these man-made ecosystems are reliable and rich sources of food, they can support large communities of avifauna belonging to ...
Eco-lodge Patrons in Sri Lanka: A Comparison of Asian and Non-Asian Markets.

Sumanapala, H.D.P.; Kotagama, S.W.; Perera, P.K.P.; Galahitiyawe, N.W.K.; Suranga, D.A.C.S. (University of Sri Jayewardenepura, Nugegoda, 2015)

Tourists around the world have become more environmentally conscious, and the demand for green holidays and green accommodation has experienced a rapid growth. In this background, the form of accommodation known as ...
A Preliminary Investigation of the Behaviour of Rusty Spotted Cats Prionailurus rubiginosus in Captivity

Jayaratne, C.; Perera, P.K.P.; Dayawansa, P.N. (Department of Wildlife Conservation, Battaramulla, 2015)

This study focused on the behaviour of the Rusty-Spotted Cats (Prionailurus rubiginosus) housed ill non-exhibit enclosures at the National Zoological Gardens, Dehiwala, Sri Lanka. The observations were conducted on six ...
Eco- Lodge Patrons’ Characteristics: The Sri Lankan Perspective

Sumanapala, H.D.P.; Perera, P.K.P.; Kotagama, S.W.; Silva, D.A.C.S. (IJRSS, 2015-05)

As negative environmental and socio-cultural impacts of mass tourism become more apparent, the appeal of alternative forms of tourism, especially ecotourism, has increased globally. With the growing demand for ecotourism ...
Recreationist Perspectives, Attitudes, and Perceptions towards National Park Management in Sri Lanka

Perera, P.K.P.; Senevirathna, M.C.; Vlosky, Richard P. (2015)

Sri Lanka's National Parks (NPs) are becoming prime destinations for both foreign and domestic tourists. With rising heterogeneous demand for nature-based experiences, NP administrators are facing the challenge of re-crafting ...
The Effect of Quality Attributes in Determination of Price for Plantation-Grown Teak (Tectona grandis) Logs in Sri Lanka

Jayawardhane, J.K.P.C.; Perera, P.K.P.; Lokupitiya, R.S.; Amarasekara, H.S.; Ruwanpathirana, N. (Forest Research and Management Institute ICAS, Romania, 2016)

Teak (Tectona grandis) is one of the highly demanded timber species in Sri Lanka. When buying teak logs, customers assess their quality by visual appraisal of surface characteristics such as visible defects. Hence, the ...
Characterisation of Sri Lankan cassava mosaic virus and Indian cassava mosaic virus: evidence for acquisition of a DNA B component by a monopartite begomovirus

Saunders, Keith; Salim, Nazeera; Mali, Vasant R; Malathi, Varagur G; Briddon, Rob; Markham, Peter G; Stanley, John (2013-12-05)

Two bipartite begomoviruses, Indian cassava mosaic virus (ICMV) and Sri Lankan cassava mosaic virus (SLCMV), have been isolated from mosaic-diseased cassava originating from central India and Sri Lanka, respectively. ICMV ...
The Role of Microinsurance in Agricultural Risk Mitigation with Special Reference to the Paddy Sector in Sri Lanka

Heenkenda, S. (2013-10-07)

This document contains first chapter of the book published by Dr. Shirantha Heenkenda. This study sets out to explore the concept of risk management within the framework of the agricultural financial markets in developing ...
Seasoning of Timber

Ranasinghe, Sanath (2013-10-02)

Lecture delivered at Capacity Building Workshop on Modern Technologies for Wood Based Industries from 25th to 27th September 2013 at at Department of Forestry and Environmental Science, University of Sri Jayewardenepura. ...

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