Science Symposium - Faculty of Science: Recent submissions

Now showing items 121-140 of 163

Nitrogen pollution: Influence of N-nitrate pollutant in aquatic environments associated with agro-environs in Mirissa on development of endemic common arboreal frog, Polypedates cruciger (Amphibia: Rhacophoridae) ex-situ .

Balangoda, B.M.A.R.; Wegiriya, H.C.E. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Nitrogen pollution is becoming a severe problem worldwide with unknown consequences on aquatic life, especially to the sensitive organisms such as amphibians. Agricultural applications of nitrogen based mineral fertilizers ...
Preliminary studies of the seed of Aleurites moluccana to findout the cytotoxic compounds and the preparation of biodiesel.

Wijesinghe, W.M.C.S.; Bulugahapitiya, V.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2009-12-23)

The constituents in the seed oil of Aleurites moluccana (Tel-kekuna) were investigated for finding out the cytotoxic compounds and the preparation of biodiesel. It was found that the oil of the seeds contain four main ...
Comparative study on geo-helminthic infections in children at four schools in Matara district and with emphasis relation ship on socio economic status and hygienic condition.

Neelakanthi, A.W.N.; De Silva, M.P.K.S.K. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Soil- transmitted nematode (STN) infections are a major health problem found among children and adult of low socio economic status in developing countries. The identification of the factors that affect the prevalence ...
Bionomics of Liposcelis bostrychophilus (Badonnel) a pest on Herbal Materials prepared for Export Market.

Indika, B.A.N.; Wegiriya, H.C.E. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Production of export items entirely depends on their demands as well as the quality of the export products. Herbal tea bags produced by Rural Enterprise Network (REN) has very high demand in Eastern European countries. ...
Comparative study on paramphistomiasis in buffaloes reared in a farm and a village house, and the potential factors that contribute to the spread of the disease.

Malkanthi, H.H.T.; De Silva, M.P.K.S.K. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Paramphistomes are Digenean Trematodes which are parasitic mainly on ruminants. Paramphistome infections occur in large numbers in Sri Lanka but, detailed information on the actual prevalence of the disease in Sri ...
Mal practice of pesticides application in three selected districts.

Warnasooriya, W.M.J.; Wickramasinghe, M.G.V. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Pesticides and fertilizers are the two groups of Agrochemicals. If misused either of these can cause poisoning or other adverse effects on man, environment and living organisms. This study was focused on the mal ...
Problems and constraints in solid wastes disposal and management in Matara municipal area.

Bandara, H.M.A.U.; Amarasinghe, N.J. De S. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

The focus of this research was to identify the problems and constraints in Solid Wastes disposal and management in the Matara Municipal area and to make suggestions and recommendations to overcome them. Domestic and ...
Prevalence of selected intestinal nematodes in a suburban area in Matara district, and the effect of Albendazole on them

Gunapala, M.M.T.I.; Weerasooriya, M.V.; Suneetha, K.B. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Intestinal helminth infections carry the heaviest burden of morbidity to the children as well as adults in the world and also in Sri Lanka. The objective of this study was to investigate the prevalence of three selected ...
Comparative study on the diversity and abundance of mosquito fauna in relation to the anthropogenic activities and the environ mental factors in the selected sites in Matara area.

Manawadu, Upeksha Dulmini; Wegiriya, H.C.E. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Matara is a major town situated in the Southern coastal belt of Sri Lanka. In this city the problems of mosquitoes increase day by day and interfere with the normal day to day life. The increase of mosquito population ...
Study of fish fauna in the streams of Oliyagankele forest reserve and in Lenabatuwa tank

Kumari, N.U.; Amarasinghe, N.J. De S. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Sri Lankan biological diversity is concentrated in a small land mass, among the global biodiversity rich countries. It has a remarkable variety of life both in terms of fauna and flora. Sri Lanka is the home for ...
Distribution and abundance of the avifauna in selected habitats of the Oliyagankele Forest Reserve, Wilpita, Matara

Wijewardane, D.P.T.R.; Amarasinghe, N.J. De S. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Oliyagankele forest reserve is a lowland wet zone forest, situated between Akuressa and Kamburupitiya, which covers an area of 482.9 ha. Its fauna has not been thoroughly investigated. This study was carried out to ...
Comparative study of extraction on DNA using different protocols and from different body parts of a small Cyprinid fish species.

Weenadhipathi, S.S.; De Silva, M.P.K.S.K. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Molecular studies play a considerable role in the modern world. In areas such as Medicine, Agriculture, Animal husbandry, and even Forensic studies. DNA is the fundamental material of the Molecular study. The first ...
Study of the morphological and allozyme variation among three common catfishes: Macronus gulio, Ariusjella, Tachysurus maculates.

Samarakoon, S.M.A.I.; Suneetha, K.B. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Species characterization using morphological and allozyme genetic markers were attempted for three common morphologically close catfishes, namely Macronus gulio (Family Bagridae), Long whiskers cat fish, Ariusjella (Syn. ...
Study of mangrove crabs in selected mangrove forests: The relationship between habitat characteristics and their occurrence.

Vijayakumara, R.G.K.; Amarasinghe, N.J. De S. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Sri Lanka, despite its small size, possesses a high level of biological diversity. Both the coastal and seashore vegetation covers a good part of the coastline. Mangroves occur near river mouths and on the shores of ...
Dynamics of the filarial vector Culex quinquefasciatus, the vector of Wuchereria bancrofti, in Polhena, Matara.

De Silva, H.R.A.; Weerasooriya, M.V. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Bancroftian filariasis is one of the major vector-borne diseases in Sri Lanka. Therefore, this study was mainly focused on finding out the dynamics of the indoor-resting filarial vector, Culex quinquefasciatus, to ...
influence of substrate and physic-chemical parameters on fish distribution in upper and middle catchment of “Gin Ganga” river drainage basin.

Gajamange, Dinesh; Amarasinghe, N.J. De S. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Sri Lanka is a tropical island situated at the southern tip of Indian sub continent and rich in biodiversity. Although small in size the land possesses a large number of inland freshwater bodies viz, rivers, streams ...
Investigation of intra-specific morphological variation of the catfish Pseudarius jella from four estuarine localities in Southern Sri Lanka.

Jayasekara, J.L.P.S.S.; Suneetha, K.B. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Individuals of populations may completely or partially isolate from other populations due to biogeographic barriers such as mountains, rivers, physicochemical barriers etc. resulting variations in phenotypic and genetic ...
Morphological and genetic relationships of six selected Puntius species of Sri Lanka.

Liyanage, Nuwan Pathmasiri Prathapainghe; De Silva, M.P.K.S.K. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Species of the Genus Puntius (Family Cyprinidae) are very important to Sri Lanka as they represent the large portion (16 species) of freshwater fish fauna and their high endemism. Most of the species are economically ...
Efficacy of bird chili as a botanical pesticide to control pests on rice.

Priyadarshani, H.A.A.; Wickramasinghe, M.G.V. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Though the chemical control is an effective method in pest control, its impacts on environment as well as human health has drawn the attention of public. Therefore the efficacy of plant extract to control some of the ...
Determination of nutritional values of six selected fish species in Southern region.

Ruweena, M.N.F.; Amarasinghe, N.J. De S. (2009-12)

Man like other organisms grows, reproduces and also engages in various activities essential for life. To be able to carry out these activities he eats food, which are broken down to simpler substances in his gut and ...

Now showing items 121-140 of 163

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