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Symposium on Ocean and Freshwater Systems: Recent submissions

Now showing items 1-20 of 26

Cover page

Unknown author (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)
Contents

Unknown author (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)
Keynote Speech

Manatunga, Jagath (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)
Effects of Locally Available Carbon Sources on the Growth and Survival of Guppy (Poecilia reticulata) Fingerlings in a Biofloc System

Silva, S.P.I.C.; Radampola, K.; Epasinghe, E.D.M.; Perera, S.A.D.M. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

BioFloc Technology (BFT) is based on in-situ microorganisms that recycle nutrition by assimilating the toxic nitrogenous waste to improve the water quality in aquaculture facility. This study was conducted to identify ...
Morphological Variation and Species Identification of Leaping Blenny Fish (Family Blenniidae) in Western Coast, Sri Lanka

Rathnayaka, M.C.M.; Herath, S.S.; Herath, D.R. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Leaping blenny fish which belongs to the family Blenniidae exhibits amphibious behaviors and are common inhabitants in the rocky intertidal zones throughout the world. But there is no adequate data available to show their ...
Prediction of the yield of Skipjack Tuna (Katsuwonus pelamis) Using Remote Sensing Techniques

Jeevaneshan, T.; Sanuja, R.G.; Deepananda, K.H.M.A. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Analysis of relationship amongst sea surface temperature (SST), chlorophyll-a (Chl-a) and fish catch help understand the productivity of the ocean. Satellite images provide reliable important information on oceanographic ...
Effect of Imported and Locally Produced Fishmeal Incorporated Feed on Growth Performance, Feed Utilization and Survival of Guppy (Poecilia reticulata Peters, 1859)

Perera, S.A.D.M.; Radampola, K.; Athukorala, A.; Epasinghe, E.D.M.; De Silva, H.C.C.; Silva, S.P.I.C. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

The present study was conducted to evaluate the effect of imported and locally produced fishmeal incorporated feeds on the growth performance, feed utilization and survival rate of guppy, Poecilia reticulata. A commercial ...
Applicability of Graphite–Copper Electrode System for Electrolytical Removal of Rhodamine-B dye in Textile Effluents

Priyankara, H.P.R.T.; Jayasinghe, U.A.D.; Sanjaya, H.L.K. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Industrialization around the world increases wastewater discharge, causing environmental issues with great concern. Wastewater treatment and management is the major problem in the textile industry. Although there are ...
Determination of Optimum Level of Commercial Probiotic, BioGaia™ on Growth Performance, Feed Utilization Efficiencies and Stress Resistance of Freshwater Angelfish, Pterophyllum scalare

Jayamali, B.P.M.V.; Herath, S.S.; Bandara, E.G.K.Y.C. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

The present study was conducted to evaluate the effects of commercial probiotic, BioGaia™ on growth performance, feed utilization efficiencies and stress resistance of freshwater angel fish, Pterophyllum scalare. Relevant ...
Impact of the River Plume on Physicochemical Parameters of Near-Shore Water of Nilwala River Mouth, Sri Lanka

Rajapaksha, B.M.M.; Priyadarshana, T.; Asanthi, H.B.; Wang, D. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Organic matter, nutrients and suspended particles from terrestrial sources are transported to near-shore waters through rivers, and at the river mouth water meets the Ocean forming a plume. River plumes play a major role ...
Coconut Shell Charcoal and Eggshell Charcoal Mixture is Effective for Water De-Fluoridation

Nijakiny, S.; Maithreepala, R.A.; Sanjaya, H.L.K. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Consumption of potable water with high concentrations of fluoride causes serious health issues. Fluoride ions are released into groundwater primarily as a result of rock erosion. Among several methods for removal of ...
Green Synthesized Silver-Soda Lime Glass Nanocomposite, Made by Neolitsea Cassia Leaf Extracts Inhibits Microcystis sp. Under Aquarium Conditions

Adikari, W.G.A.N.; Warnasooriya, S.R.; Jayasinghe, U.A.D.; Asanthi, H.B. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Microcystis sp., one of the most common cyanobacteria releases cyanotoxins which cause severe ecological consequences to both aquatic organisms and human. There is a high demand for developing an eco-friendly safer methods ...
Antioxidant Potential of Common Sea Weeds, Ulva lactuca and Sargassum sp. in Dickwella Bay, Southern Sri Lanka

Manthrirathne, C.L.; Wijesinghe, R.D.N.; Bandara, E.G.K.Y.C. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

A significant number of bioactive compounds extracted from marine plants acts as free radical scavengers. Such compounds have pharmaceutical value since many diseases are associated with oxydative stress caused by free ...
Evaluation of the Diversity of Benthos and its Relationship to Water and Sediment Quality in Headwater Streams: Case Study Bambarakanda Stream, Sri Lanka

Gunarathna, E.D.; Atapaththu, K.S.S.; Jayasinghe, U.A.D.; Sanjaya, H.L.K. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Sediment properties and benthos diversity can be used to evaluate the quality of aquatic systems. Bambarakanda is one of the most popular destinations with tourism interest in Sri Lanka that consists of a unique headwater ...
Effects of Total Hardness on Growth Performances, Survival and Feed Utilization Efficiencies of Platy Fish (Xiphophorus maculatus)

Rodrigo, D.C.G.; Wijesinghe, R.D.N.; Herath, S.S. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

The effects of total hardness on growth performance, survival, and feed utilization efficiencies of platy fish (Xiphophorus maculatus) were studied. Twenty-one days old 180 juvenile fish with initial mean weight of ...
Effect of Different Substrates on the Growth of Water Trumpet (Cryptocoryne wendtii)

Jayasingha, J.M.A.I.; Radampola, K.; Sanuja, R.G. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

The effect of different substrate compositions on the growth performance of micro propagated ornamental aquatic plant; Cryptocoryne wendtii ‘Water Trumpet’ under submerged conditions was investigated. River sand (R), ...
Feeding Preference of Sea Urchin, Stomopneustes variolaris in an Intertidal Rocky Reef of Sri Lanka

Jayathilaka, P.E.; Thilakarathna, R.M.G.N.; De Croos, M.D.S.T. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Sea urchins are well-known grazers and bioeroders in marine benthic habitats. Stomopneustes variolaris that play a key role in controlling macroalgae, is the most abundant sea urchin species in the shallow waters of Sri ...
Microplastics in Sediment, Water and Giant Freshwater Prawn (Macrobrachium rosenbergii) in Ridiyagama and Muruthawela Reservoirs of Sri Lanka

Wijekoon, E.M.D.; Radampola, K.; Bandara, E.G.K.Y.C. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Abundance of micro plastics (MPs) in sediment, water and Macrobrachium rosenbergii from Ridiyagama (R) and Muruthawela (M) dry zone reservoirs in Sri Lanka was studied. Gills, gastro-intestinal tract (GIT), and hepatopancreas ...
Rainfall Variations and Land-use Pattern Change the Floods in MahaOya River Basin, Sri Lanka

Sameera, R.N.; Priyadarshana, T.; Atapaththu, K.S.S. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Flood behavior and possible driving factors (land use and rainfall) responsible for flood hazards of the Maha Oya were studied. Discharge data over the last 28 years were collected and analyzed to identify disaster ...
Applicatıon of Selected Floating Aquatic Plants for Phytoremediation of Textile Dye Effluent from Batik Industry

Amarakoon, A.M.I.M.; Maithreepala, R.A.; Jayasinghe, U.A.D. (Faculty of Fisheries and Marine Science & Technology, University of Ruhuna, Sri Lanka, 2022-12-08)

Batik industry in Sri Lanka releases a large volume of waste effluent containing toxic chemicals to the aquatic environment. Such chemical compounds negatively affect the physicochemical properties of water such as the ...

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