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High School TeacherOct 2012
The profile include, • teaching chemistry for Advanced Level students • engaging in students’ welfare and guiding of them
Project AssistantDec 2011 - Oct 2012 (10 months)
The profile included, • conducting relevant activities to implement Sri Lanka Vehicular Emission Testing (VET) Programme and preparation of periodic progress reports • organizing and coordinating national workshops in accordance with BASEL Convention • preparing project reports • preparing leaflets to aware people about prevention of dengue
Project ConsultantAug 2011 - Nov 2011 (3 months)
Worked in the project of: “Identification and preparation of herbarium sheets of plant species present in Victoria Park, Nuwara Eliya” and involved in, • tagging all plant species in the park and identification of them • preparation of standard herbarium sheets • preparation of project proposals and periodic progress reports
Teaching AssistantAug 2009 - Oct 2011 (2 years)
Involved in, • organizing, arranging and conducting practical classes • assisting undergraduate students to achieve practical targets
Visiting Teaching AssistantJun 2008 - Jul 2009 (1 year)
Guided the students in the course of "Biodiversity Conservation and Management" and involved in, • arranging both indoor/outdoor practical classes and field visits • demonstrating and explaining practicals for the postgraduate students
Postgraduate Research AssistantFeb 2006 - Mar 2009 (3 years)
Worked in the project of "Edaphic and ecological stress factors affecting the density and distribution of Manilkara hexandra in Sri Lanka and the reasons behind its die-back and poor natural regeneration" and involved in, • handling research projects • planning and organizing research activities • conducting research works • synthesizing research data • analyzing and drawing inferences from research data • preparation of project reports and research papers • presenting research findings
Technical AssistantJun 2005 - Feb 2006 (8 months)
Involved in the project "Dry forest ecology and management" and carried out, • field sampling • laboratory chemical analysis of soil and plant samples
B.Sc.(Hons.), Ph.D.2006 - 2014 (8 years)
Research Scholarship-PAM & WCP (2006)World Bank and the Department of Wildlife Consevration of Sri Lanka link project
This research scholarship had been awarded to study about the die-back of Manilkara hexandra trees in Bundala National Park, the first Ramsar Wetland in Sri Lanka.
Các xuất bản
Influence of soil water content and soil amendments on trace metal release and seedling growth....
This paper evaluates the synergistic effects of organic amendments and soil water status on trace metal release from serpentine soil.
Does the invasion of Prosopis juliflora cause the die-back of the native Manilkara hexandra.....
It critically evaluates the effect of invasive plant species, P. juliflora on the die-back of native plant species, M. hexandra in Bundala National Park, Sri Lanka.
Die-out of M. hexandra from Bundala National Park, Sri Lanka: Causes and Underlying mechanisms...
This paper discusses about the causes and some mechanisms of die-back of native dry forest key stone tree species, Manilkara hexandra in Bundala National Park, Sri Lanka.
Climatic factors responsible for triggering phenological events in M. hexandra.....
This paper reveals the vegetative and reproductive phenological patterns of the key stone, dry forest canopy tree species, M. hexandra which are vital for taking proper conservation activities for the future existence of the species.
Allelopathic effects of Prosopis juliflora and its impact on some Sri Lankan dry forest species.
It is well known Prosopis juliflora produces some allelopathic chemical compounds from their roots, leaves as well as from pods which create a significant effect to the native flora growing with this species. This species has been invading Sri Lankan dry forests from many years and its negative impacts are yet to be fully revealed. This paper evaluates the negative impacts of the allelopathic chemicals produced by Prosopis juliflora to some of the dry forest plant species in Sri Lanka.
Spatial distribution of the vegetation along a disturbance gradient in a tropical seasonal forest...
Disturbances create detrimental impacts for vegetations. This paper evaluates the changes of plant density and diversity along a disturbance gradient in a dry forest of Sri Lanka.
Factors affecting the invasion of Prosopis juliflora (Sw) DC in the Bundala National Park.
This paper investigates the physico-chemical factors which may induce rapid spreading and establishment of Prosopis juliflora in a natural dry forest ecosystem in Bundala National Park in Sri Lanka.
Forest die-back in Bundala National Park.
Manilkara hexandra is the only key stone canopy dominant tree species growing in the dry forests of Bundala National Park, Sri Lanka. However, this species is dying-out form the area due to many biotic and abiotic stress factors. This paper describes the stress factors affecting to the population k and suggests some recommendations to protect the existing population in the Park.
Is Manilkara hexandra (Roxb.) Dubard, a threatened species in Sri Lanka?
Due to the continuous die-back and poor natural regeneration, Manilkara hexandra is under a threat of extinction in recent years unless proper conservation measures are made. This paper elaborates its present status and stress the necessity of its conservation.
Phenological Patterns of Manilkara hexandra in Bundala National Park, Sri Lanka.
This study investigates the phenological patterns of Manilkara hexandra in Bundala National Park, Sri Lanka and assesses the factors affecting on the flowering and fruiting patterns.
Population ecology of Manilkara hexandra in Sri Lanka and need for its conservation.
Manlikara hexandra, dominant tree species in tropical semi-deciduous forests in Sri Lanka are under a threat of extinction. This study aims to examine the demography of the species in Sri Lanka, find out the kinds and magnitude of threats to the population and suggests conservation measures.
Stress factors affecting the population of Manilkara hexandra trees and its die-back....
This paper attempts to figure out the stress factors affecting to the population of Manilkara hexandra in Bunada National Park.
Impacts of brackish water lagoons in Bundala wetlands on the terrestrial invasion of P. juliflora.
As an invasive species Prosopis juliflora thrives in many ecosystems in the dry zone of Sri Lanka. This study reveals increasing soil salinity levels promotes the invasion of this species in the terrestrial inland areas in Bundala National Park.
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