Browsing Zoology by Title

A comparative assessment of the fisheries in lacustrine inland waters in three Asian countries based on catch and effort data

de Silva, S.S.; Moreau, J.; Amarasinghe, U.S.; Chookajorn, T.; Guerrero, R.D. (Fisheries Research, 1991)

The catch and effort data of the artisanal fisheries of the natural lakes and reservoirs in the Philippines, and reservoirs in Sri Lanka and Thailand are evaluated. The yield (kg ha?1 year?1) to effort relationship of the ...

A comparative study of the effects of benzene, toluene and xylenes on their in vitro metabolism and drug metabolizing enzymes in rat liver

Pathiratne, A.; Puyear, R.L.; Brammer, J.D. (Toxicology and Applied Pharmacology, 1986)

A comparative study of the food and feeding habits of Puntius Bimaculatus and P.Titteya (Pisces, Cyprinidae)

de Silva, S.S.; Kortmulder, K.; Wijeyaratne, M.J.S. (brillonline.com, 1976)

A comparison of proximate composition and water stability of three selected Shrimp feeds used in Sri Lanka

Epa, U.P.K.; Wijeyaratne, M.J.S.; de Silva, S.S. (Asian Fisheries Society, Manila Philippines, 2007)

A note on the occurrence of a Branchial parasite, Epipenaeon ingens Nobili in Penaeus semisulcatus De haan in Puttalam lagoon, Sri Lanka

Rajapakse, T.A.; Amarasinghe, U.S. (J. Nat. Res. Ag. Sri Lan., 1986)

A synthesis on the management of the capture fisheries of Sri Lankan reservoirs

Amarasinghe, U.S. (Vidyodaya Journal of Science, 1994)

Sri Lankan reservoir fishery is one of the best documented in the South East Asian region. It is very productive and the average fish yield in reservoirs of the country is about 300 kg ha-I, yr". Nevertheless the Sri Lankan ...

Abundance and diversity of freshwater molluscs in some selected reservoirs of the Kala Oya river basin, Sri Lanka

Weerakoon, S.N.; Chandrasekera, L.W.H.U.; Amarasinghe, U.S. (Sri Lanka Association for Fisheries and Aquatic Resources, 2015)

Benthic macroinvertebrates such as molluscs are known to be possible bioindicators of aquatic ecosystems. We carried out a study to investigate how the abiotic factors affect the abundance and diversity of molluscan fauna ...

Accidental introduction of alien plankton into the Sri Lankan coastal zone through ballast water of cargo ships

Chandrasekera, L.W.H.U.; Fernando, M.A.S.T. (Sri Lanka Association for Fisheries and Aquatic Resources, 2009)

Accidental introduction of alien plankton through ballast water is a major ecological issue in many countries in the world. As there are no local studies addressing this problem, the present study was carried out to see ...

Accounting for Diel Feeding Periodicity in Quantifying Food Resource Partitioning in Fish Assemblages in Three Reservoirs of Sri Lanka

Weliange, W.S.; Amarasinghe, U.S. (Asian Fisheries Society, 2003)

Most investigations on food resource partitioning in fish along the temporal dimension are based on the diet composition of constituent species in fish assemblages, pooled over a longer time lapse, but variation within ...

Accumulation of lead, cadmium and copper in brackishwater clam, Meretrix casta from selected estuaries in Sri Lanka

Amarasekara, E.A.K.K.; Pathiratne, A.; Wanninayake, W.M.T.B. (Sri Lanka Association for Fisheries and Aquatic Resources, 2009)

Accumulation of Lead, Cadmium and Copper in food fish, Oreochromis mossambicus in Beira Lake, Sri Lanka

Anil, K.A.; Pathiratne, A. (Sri Lanka Association for Fisheries and Aquatic Resources, 2002)

Acetylcholinesterase inhibition and gill lesions in Rasbora caverii, an indigenous fish inhabiting rice field associated waterbodies in Sri Lanka

Wijeyaratne, W.M.D.N.; Pathiratne, A. (Kluwer Academic Publishers-Plenum Publishers., 2006)

The present study was aimed at applying condition factor (CF), brain acetylcholinesterase (AChE) and gill histology as biomarkers for detecting possible exposure/effect induced by pesticides in fish residing rice field ...

Acetylcholinesterase inhibition in Nile tilapia, Oreochromis niloticus following exposure to low concentrations of Chlorpyrifos and Carbosulfan: exposure– response relationships in fry, fingerlings and sub-adults

Chandrasekera, L.W.H.U.; Pathiratne, A. (Sri Lanka Association for Fisheries and Aquatic Resources, 2004)

Acetylcholinesterase (AChE) inhibition is considered as a specific biomarker of exposure and effect for organophosphorous and carbamate pesticides. Oreochromis niloticus, which is an abundant food fish in inland water ...

Acetylcholinesterse inhibition and gill lesions in Rasboracaverii, an indegeneous fish inhabiting rice field associated waterbodies in Sri Lanka

Wijeyaratne, W.M.D.N.; Pathiratne, A. (Ecotoxicology, 2006)

Activation of C14 toluene to covalently binding metabolites by rat liver microsomes

Pathiratne, A.; Puyear, R.L.; Brammer, J.D. (Drug Metabolism and Disposition, 1986)

Activity Pattern and Environmental Variation of Micro Habitats of Six-Toed Green Frog Euphlyctis hexadactylus Lesson 1834(Anura:Ranidae)in Sri Lanka

Weerawardhena, S.R.; Amarasinghe, U.S.; Kotagama, S.W. (The Herpetology of Sri Lanka, 2004)

Acute toxicity test of aqueous extract of white hoary pea, Tephrosia candida (Papilionoideae) on Nile tilapia, Oreochromis niloticus (Cichlidae) fingerlings

Epa, U.P.K.; Mohotti, C.R.W.C. (Sri Lanka Association for Fisheries and Aquatic Resources, 2015)

Tephrosia candida was introduced to Sri Lanka as a legume live mulch for weed control and to protect soil surface. It is a source of flavonoids and rotenoids a including rotenone, tephrosin, and deguelin. Fishermen add ...

Adaptive learning: Some experiences from implementing adaptive fisheries co-management in Lao PDR and India

Arthur, R.; Garaway, C. (Sri Lanka Association for Fisheries and Aquatic Resources, 2008)

Experiences with inland fisheries systems have shown that they are often both complex and dynamic in terms of their biophysical, technical and institutional aspects and that the outcomes of management actions cannot always ...

Adopting a STREAM approach for inland fisheries management

Haylor, G. (Sri Lanka Association for Fisheries and Aquatic Resources, 2008)

This paper advocates strategies, processes and practices that enable livelihoods approaches rather than resource-based approaches, ‘direct’ institutional and policy development rather than ‘project demonstrations’, and ...

Advancing tourism demand forecasting in Sri Lanka: evaluating the performance of machine learning models and the impact of social media data integration

Hewapathirana, Isuru Udayangani (Emerald Publishing Limited, 2023)

Purpose – This study explores the pioneering approach of utilising machine learning (ML) models and integrating social media data for predicting tourist arrivals in Sri Lanka. Design/methodology/approach – Two sets of ...

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