Conference and Symposia Proceedings: Recent submissions

Now showing items 1401-1420 of 4706

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 ...
Isolation, characterization and study of pathogenicity of fish pathogenic bacteria.

Dewasurendra, R.L.; Abeysinghe, S. (2009-12)

Intensified fish farming to meet the current demand for fish often resulted in fish disease outbreaks. Among these diseases bacterial diseases are a major threat, requiring early detection of the pathogens which may ...
Laboratory screening of tea clones for their susceptibility to the low country Live wood termite, Glyptotermes dilatatus (Bugnion and Popoff)

Dharmadasa, K.L.K.; Wickramasinghe, M.G.V.; Vitarana, S.I. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Low-country Live-wood termite (Glyptoternws dilatatus) damage is considered to be a major problem leading to crop loss especially in low country tea plantations. A detailed study was carried out to identify a short cut ...
Evaluation of the efficacy of Bird chili (Capsicum frutescens var longum L, Capsicum frutescens var conid L) and Green chili (Capsicum annum var fasciculatum) as botanical pesticides to control Black bean aphid (Aphis fabae Scop.) on long bean (Vigna sesquipedalis L.)

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

Pot culture experiment was conducted under field conditions to evaluate the efficacy of pod extracts of Capsicum annum var fasciculatum, Capsicum frutescens var conid and Capsicum frutescens var longum in the control ...
Influence of water quality and substrate characteristics on the distribution of fish species in some selected tributaries of Nilwala river basin.

De Silva, P.M.C.S.; Amarasinghe, N.J. De S. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

River Nilwala located in the Southern part of Sri Lanka, with a catchment area of 960 km', consists of a complex tributary system draining through human settlements and natural forest areas. Considering the enormous ...
Pyrimac® (Chlorpyrifos), a commonly used pesticide, altera structural integrity of epididymal epithelium and epididymal sperm functions in rats.

Priyangani, P.M.C.; Samayawardhena, L.A. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Chlorpyrifos is a known biological toxicant and is widely used in agriculture. Effects of Chlorpyrifos on epididymal sperm structure and function was studied. Wistar rats (1 1 = 12 each group) were given oral doses of ...
The parasite of Puntius species in Nilwala basin.

Deepananda, K.H.M.A. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

The parasite fauna of the genus Puntius which has highest number of species, wide distribution and some ornamental value was investigated with their parasite infection levels. The study was carried out at the Akuressa ...
Distribution and abundance of Coffee bean weevil, Araecerus fasciculatus (Degeer) (Coleoptera: Anthribidae), on Parkinsonia aculeata and Prosopis juliflora Woody weeds in Hambantota district.

De Silva, W.A.J.P.; Bogahawatta, C.N.L. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Parkinsonia aculeata and Prosopis juliflora are two major woody weeds widely distributed in Hambantota district. Control of these two woody weeds was one of the major issues of concern in agriculture in Hambantota ...
An investigation of number of larval in stars of Spodoptera litura (Fabricus) (Lepidoptera : Noctuidae) and Sylepta derogata (Fabricus) (Lepidoptera : Noctuidae) with an emphasis to the effect of Chloropyrifos? neem seed extract and microsporidian pathogen on these larvae

Chandana, E.P.S.; Wegiriya, H.C.E. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Spodoptera litura and Sylepta derogata are pests of most vegetables. However, their biology and the effect of controlling methods have not been fully investigated. Therefore, the objectives of this study were to ...
Reproductive biology and factors affecting breeding in captivity of Rasbora daniconius

Terrence, D.A.S.; Cumarathunga, P.R.T. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Rasbora daniconius (Hamilton, 1822) is a relatively small fresh water minor cyprinid fish which very commonly dwells in lowland fresh water bodies in Sri Lanka. Present study was conducted to determine their reproductive ...
Testing of a biofilter for industrial effluent contaminated with toxic metal

Asanthi, H.B.; Jayatissa, L.P. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Please, See attachment below
Incidence and prevalence of human intestinal parasites in a selected Slum area at Matara (Slums at Hamugewatte, Walgama) with emphasis on their age group.

Amarasinghe, D.M.Y.; Weerasooriya, M.V. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

The present study deals with the status of intestinal diseases in an urban slum situated in Matara municipal council area. The status of these diseases in three age groups; pre school children, school children and ...

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