Environmental Management: Recent submissions

Now showing items 1-20 of 120

Toxicity assessment of powdered laundry detergents: an in vivo approach with a plantbased bioassay

Jayalal, Nimmi, Apsara; Yatawara, Mangala (Springer Nature, 2024)

Powdered laundry detergents, encompassing a diverse blend of organic and inorganic compounds, are crucial in efficiently removing dirt in household cleaning. This study investigated the cytotoxic and genotoxic potential ...
A Systematic Review and Global Trends on Blue Carbon and Sustainable Development: A Bibliometric Study from 2012 to 2023

Pang, Shufen; Majid, Mazlinawati Abdul; Perera, Hadinnapola Appuhamilage Chintha Crishanthi; Sarkar, Mohammad Saydul Islam; Ning, Jia; Zhai, Weikang; Guo, Ran; Deng, Yuncheng; Zhang, Haiwen (2024)

Halfway through Transforming Our World: The 2030 Agenda for Sustainable Development, only 15 percent of the goals have been reached. As a carbon storage and climate change mitigation mechanism, blue carbon is closely related ...
Exploring the Relationships between Tradeoffs and Synergies among Island Ecosystem Service Bundles: A Study on Zhoushan Archipelago Located on the Southeast Coast of China

Xiao, Yang; Zhang, Huan; Ma, Ke; Perera, Hadinnapola Appuhamilage Chintha Crishanthi (2024)

Due to the rapid rise of China’s coastal economic zone, the urbanization of the surrounding islands has accelerated. Intensive disturbance caused by human activities and frequent changes in land types have resulted in the ...
Herpetofaunal diversity and endemism in a fragmented forest patch: a study in Dombagaskanda forest reserve

Sandeepa, S. P. M.; Chandrasekara, W. U. (2023)

Fragmented forest patches provide refuge for distressed animal forms including amphibians and reptiles (herpetofauna) but an array of adverse anthropogenic impacts often threatens them. Surrounded by human settlements, the ...
Variation of water quality parameters and brush park fish diversity: a study in Negombo estuary

Ratnayake, R. P. P.; Chandrasekara, W. U. (2023)

In the Negombo estuary, the brush park fishery is confined to two small zones along its Eastern Katunayake side and the Western Dungalpitiya side, with approximately 50 brush parks each. In this research, we investigated ...
Knowledge, perceptions and practices on healthcare waste management and associated occupational health hazards among healthcare professionals in the Colombo District, Sri Lanka: a cross-sectional study

Udayanga, Lahiru; Sahana, Loganatahan; Perera, Ayesha; Ranasinghe, Koshila; Ranathunge, Tharaka (2023)

Background: Proper Healthcare Waste (HW) management is directly influenced by the knowledge and attitudes of Healthcare Professionals (HCP). However, studies that characterize the knowledge and practices of HCP on HW ...
Choice Experiment Analysis of Non-market Values of Ecosystem Services

Dissanayake, Sahan T. M.; Vidanage, Shamen P. (springer, 2022)

Small tank cascade systems (STCS) are clusters of hydrologically interconnected irrigation reservoirs with a 2500-year history located in the dryzones of Sri Lanka. They provide irrigation to 40 per cent of the irrigable ...
Heavy metal toxicity to bacteria – Are the existing growth media accurate enough to determine heavy metal toxicity?

Rathnayake, I.; Megharaj, M.; Krishnamurti, G; Bolan, N. S.; Naidu, R. (Chemosphere, 2021, 2021)

A new minimal medium was formulated considering the limitations of the existing media for testing heavy metal sensitivity to bacteria. Toxicity of cadmium and copper to three bacteria was investigated in the new medium and ...
Green Bond: A new debt instrument for environmental resilient projects

Nanayakkara, K.G.M.; Colombage, Sisira (Environmental Monitoring and Management, University of Peradeniya, Sri Lanka, 2021, 2021)
Sensitivity of freshwater organisms to cadmium and copper at tropical temperature exposures: Derivation of tropical freshwater ecotoxicity thresholds using species sensitivity distribution analysis

Arambawatta Lekamge, S. H.; Pathiratne, A.; Rathnayake, I.V.N. (Ecotoxicology and Environmental Safety, 2021, 2021)

Tropical freshwater ecosystems are increasingly influenced by chemical stressors including heavy metals posing threats to biodiversity. Adequate ecotoxicity data are not available for native tropical freshwater species for ...
Green fluorescent protein based whole cell bacterial biosensor for the detection of bioavailable heavy metals in soil environment

Rathnayake, I.; Megharaj, M; Naidu, R. (Environmental Technology & Innovation, 2021, 2021)

A Green fluorescent protein (GFP) based whole cell bacterial biosensor was prepared using a bacterial strain sensitive to several heavy metals in order to detect bioavailable heavy metals in soils. The transformant, named ...
We examine the pricing difference of Green Bonds (GB) and conventional bonds (CBs) in capital markets worldwide. Credit spread is used to observe if investors would like to pay a premium over par for GBs or CBs. This study uses panel data regression with hybrid model to analyse daily observations over the period from 2016 to 2017. We employ Option-Adjusted spread (OAS) to measure the credit spreads of bonds while controlling for bond specific, macroeconomic and global factors which influence the spread. With the hybrid model used in the panel data analysis, we were able to capture the fixed effects of variables in a random effect model. We find that GBs are traded at a premium of 63 basis points as against a comparable corporate bond issue. We find that the green label provides issuer an incentive to raise funds through issuing GBs while providing investors an opportunity to diversify their investments returns. Our findings provide several implications to the major players driving green bonds market in order to scale up the market to finance the required level of worldwide green investment needs. We stress an urgent need to support the growth of green bond market to achieve sustainable development through mitigating climate change challenges.

Nanayakkara, K.G.M; Colombage, Sisira (Environmental Monitoring and Management, University of Peradeniya, Sri Lanka, 2021, 2021)
Heavy metal concentrations in the edible portions of Centella asiatica: Health risk toward chronic kidney disease of uncertain etiology

Wijeyaratne, W. M. Dimuthu Nilmini; Kumari, Ellewaththe Arachchilage Charuni Sewwandi (Department of Zoology and Environmental Management, Faculty of Science, University of Kelaniya, Kelaniya, Sri Lanka., 2021)

Centella asiatica is a commonly consumed green leafy vegetable in many developing countries due its high nutritious value and availability at low cost. The present study was conducted to assess the Cd, Cr and Pb uptake ...
Macrophytes as indicators of the ecological status of a tropical rehabilitated wetland ecosystem: Application of multivariate statistics and Ecological State Macrophyte Index (ESMI)

Wijeyaratne, Dimuthu; Bellanthudawa, Aravinda (Department of Zoology and Environmental Management, University of Kelaniya, Sri Lanka., 2021)

The present study used the Ecological State Macrophyte Index (ESMI) and the multivariate statistical methods to assess the ecological status and the variation of macrophytes in a tropical wetland system. Six sites were ...
Development of allometric equations to estimate the stem carbon content of Lumnitzera racemosa and Avicennia marina in a tropical mangrove ecosystem: A novel non-destructive approach

Wijeyaratne, W.M. Dimuthu Nilmini; Liyanage, Pawani Madhushani (Department of Zoolou and Environmental Management, Faculty of Science, University of Kelaniya, Sri Lanka, 2021)

Non-destructive methods for estimating carbon storage capacity are becoming increasingly popular as they do not harm the individual trees or the ecosystem. However, currently the destructive method of sampling trees for ...
Salinity Development in the Dry Zone of Sri Lanka – a Review

Najim, M.M.M.; Jayakody, K.P.K. (Salinity Development in Sri Lanka-Abstract, 2008)
Health implications related to mismanagement of domestic and municipal wastewater in Sri Lanka.

Najim, M.M.M.; Rajapakshe, I.H. (Sage Publishers, India., 2011)

TRADITIONALLY IN SRI LANKAN villages domestic wastewater, especially grey-water generated from kitchens and bathrooms of a household, fl ows along open unlined wastewater drains and is collected in a garden pool known ...
Adapting Sri Lanka to Climate Change: Approaches to Water Modelling in the Upper Mahaweli Catchment Area

Gunawardena, M.P.; Najim, M.M.M. (Climate Change Research at Universities. Springer, Cham, 2017)

Water flow and water quality changes in surface water bodies due to climate change is a major problem worldwide, typically in river eco-systems. To address these issues, proper monitoring of river flow variations and water ...
Climate Change Induced Variations in Rainfall Patterns and Potential Adaptation Options of DL1b Agro-Ecological Zone of Sri Lanka: A Case Study

Udayanga, L.N.W.B.A.; Najim, M.M.M. (Institute of Biology Sri Lanka, Colombo., 2020)

An analysis of the shifts and trends of climate patterns with respect to wet and dry events and rainfall seasonality is vital for the effective planning and management of water resources in tropical countries such as ...
A Mathematical Model for Control of Drainage in an Irrigation System

Hajiyev, A.; Rustamov, Y.; Najim, M.M.M. (Emerging Challenges to Food Production and Security in Asia, Middle East, and Africa. Springer, Cham, 2021)

Mathematical models describing the estimation of optimal amounts of water depend on various parameters such as the quality of soil that depends on many random factors. Investigation methods and approaches of the random ...

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