Abayasiri, 1978 R.R. and H.H. Costa, The hydrobiology of Colombo (Beira) lake VII. The food and feeding ecology of Tilapia mossambica. Spolia Zeylan., 32:88–105
Abeywickrema, 1955 B.A., The origin and affinities of the flora of Ceylon. Proc. Ceylon Assoc. Advmt. Sci., Part 2:1–23
Abeysinghe, A., 1982 Minor irrigation in the agricultural development of Sri Lanka. Econ.Rev., 8:25–8
Adams, F.D., 1929 The geology of Ceylon. Can. J.Res., 1:425–511
Amarasinghe, U.S., 1987 Status of the fishery of Pimburettewa wewa, a man-made lake in Sri Lanka. Aquat. Fish.Manage., 18:375–83
Amarasinghe, U.S., 1988 The role of fishermen in implementing manage-ment strategies in the reservoirs of Sri Lanka. In Reservoir fishery management and development in Asia, edited by S. S. De Silva, Ottawa, Canada, IDRC, pp.158–63.
Amarasinghe, U.S. and T.J. Pitcher, 1986 Assessment of fishing effort in Parakrama Samudra, an ancient man-made lake in Sri Lanka. Fish. Res., 4:271–81
Amarasinghe, 1983 U.A., H.H. Costa and M.J.S. Wijeyaratne, Limnology and fish production potential of some reservoirs in Anuradhapura distict, Sri Lanka. J. Inland.Fish., Sri Lanka, 2:14–29
Andrews, J.R.T., 1961 A forest inventory of Ceylon. Colombo, Ceylon Government Press, 116 p.
Apstein, C., 1907 Das plankton in Colombo-See auf Ceylon. Zool.Jahrb. (Abt.Syst.), 25:201–44
Apstein, C., 1910 Das Plankton der Gregory-Sees auf Ceylon. Zool.Jahrb. (Abt.Syst.), 29:661–80
Arthington, A.H. and D.A. Milton, 1986 Reproductive biology growth and age composition of the introduced Oreochromis mossambicus (Cichlidae) in two reservoirs, Brisbane, Australia. Environ.Biol.Fish., 16:257–66
Arumugam, S., 1969 Water resources of Ceylon. Colombo, Water Resources Board Publication, 407 p.
Balasuriya, 1983 L.K.S.W., et al., Induced breeding of Indian major carps in Sri Lanka. J.Inland Fish., Sri Lanka, 2:63–7
Balon, E.K., 1981 Saltatory processes and atricial to precocial forms in the ontogeny of fishes. Am.Zool., 21:573–96
Balon, E.K. and A.G. Coche (eds), 1974 Lake Kariba, a man-made ecosystem in Central Africa. Monogr.Biol., 24:767 p.
Baluyut, E.A., 1983 Fish introductions in lakes and reservoirs in the ASEAN region: a review. FAO Fish. Tech.Pap., (236): 82 p
Barrel, C.D.N.,et al., 1985 Destruction of fisheries in Africa's Lakes. Nature, Lond., 315:19–20
Bauer, K., 1983 Thermal stratification, mixis and addective currents in the Parakrama Samudra Reservoir, Sri Lanka. In Limnology of Parakrama Samudra, edited by F.Schiemer. The Hague, The Netherlands, W. Junk Publishers, pp. 27–34
Beam, J., 1983 The effect of annual water level management on population trends of white crappie in Elk City reservoir. Fish. Manage., 3:34–40
Bernacsek, G.M., 1984 Dam design and operation to optimize fish production in impounded river basins. CIFA Tech. Pap., (11): 98 p.
Beveridge, M.C.M., 1984 Cage and penfish farming. Carrying Capacity models and environmental impact. FAO Fish. Tech. Pap., (255):31 p.
Bhukaskwan, T., 1980 Management of Asian reservoir fisheries. FAO Fish.Tech.Pap., (207):69 p.
Bhukaskwan, 1983 Reservoir fishery management in South East Asia. FAO Fish.Rep., 288:101–11
Bhukaskwan, 1985 The Nam Pong Basin (Thailand). Fao Fish. Tech.Pap., (265):55–85
Boisselier, J., 1979 Archaelogia Mindi Ceylon. Nagel, Geneva, 206 p.
Bowen, S.H., 1979 A nutritional constraint in detritivory by fishes: the stunted populations of Sarotherodon mossambicus in Lake Sibaya, South Africa. Ecol. Monoqr., 49:17–31
Brohier, R.L., 1934 Ancient irrigation works in Ceylon. Vol.I.Colombo, Ceylon Government Press, 37p.
Brohier, R.L., 1937 Ancient irrigation works in Ceylon. Vol. II. Colombo, Ceylon Government Press, 43p.
Chakrabarty, R.D., 1982 Polyculture-principles and practi ices. J.Inland Fish., Sri Lanka, 1:30–40.
Chakrabarty, R.D. and R.A.D.B. Samaranayake, 1983 Fish culture in seasonal tanks in Sri Lanka. J.Inland Fish., Sri Lanka, 2:125–40
Chandrasiri, J.K.M.D., n.d. Socio-economic conditions of Inland fishermen in Sri Lanka. Colombo, Agrarian Research and Training Institute, 103 p. (mimeo)
Chandrasoma, J., 1983 Observations on fish introductions in some reservoirs in Sri Lanka. J.Inland Fish., Sri Lanka, 2:57–62
Chandrasoma, J., 1986 Trends in the fishery of five man-made
lakes in Sri Lanka with special reference to cichlids Etroplus suratensis, Tilapia rendalli and Oreochromis niloticus. In Proceedings of the First Asian Fisheries Forum, edited by J. Maclean, L.B. Dizon and L.V. Hisillos, Manila, ICLARM, pp 353–6.
Chandrasoma, J. and S.S. De Silva, 1981 Reproductive biology of Puntius sarana, an indigenous species and Tilapia rendalli, an exotic, in an ancient man-made lake in Sri Lanka. Fish. Manage., 12:17–28
Chapman, V.J., 1947 The application of aerial photography to ecology as exemplified by the natural vegetation of Ceylon. Indian For., 73:287–314
Cho, C.Y., C.B. Cowey and T. Watanabe, 1985 Fish nutrition in Asia: methodological approaches to research and development. Ottawa, Ontario, IDRC Publication (233e)
Chua, T.E.,1986 Aquaculture production in Asia: a reassesmrent. NAGA Manila, 9(2):13–5
Coates, D., 1984 A survey of the fish fauna of Sudanese irrigation systems with reference to the use of fishes in the management of ecological problems (the control of aquatic weeds, malaria and infective schistosomiasis). Fish. Manage., 15:81–96
Coates, D., 1985 Fish yield estimates for the Sepik River, Papua New Guinea, a large floodplain system east of Wallace's line. J.Fish Biol., 27; 431–43
Coates, J.S., 1935 The geology of Ceylon. Ceylon J.Sci., 19B: 101–87
Cochrane, K.L. and R.D. Robarts, 1986 Errors associated with the prediction of fish standing stock and yield using simple empirical relationships. S.Afr.J.Sci., 82:148–51
Codrington, H.W., 1960 The decline of the medieval Sinhalese kingdom. J.Roy.Asiat.Soc. (Ceylon Branch), 3:39–42
Cook, E.R., 1931 A Geography of Ceylon. Glasgow, University Press, 360p
Cooray, P.G. 1967 An introduction to the geology of Ceylon. Colombo, Ceylon National Museum Publication, 324 p.
Cooray, P.G., 1984 Geology, with special reference to the pre-cambrian. In Ecology and biogeography in Sri Lanka, edited by C.H. Fernando. The Hague, The Netherlands, W. Junk Publishers, pp. 1–34
Costa, H.H. and R. Abayasiri, 1978 The hydrobiology of Colombo (Beira) Lake 7. The food and feeding
ecology of the fish, Tilapia mossambica. Spolia Zeylan., 32:94–110
Daget, J. and J. Moreau, 1981 Hybridization introgressive entre deux especes de Sarotherodon (Pisces, Cichlidae) dans un lac de madagascar. Bull. Mus.Hist.Nat., Paris, Ser.Ecol., 3:689–703
De Camp, L.S. 1974 The ancient engineers. New York, Ballany-De Books. 450 p.
De Moor, F.C., R.C. Wilkinson and H.M. Herbst, 1986 Food and feeding habits of Oreochromis mossambicus (Peters) in hypertrophic Hartbeespoort Dam, South Africa.S.Afr.J.Zool., 21:170–6
Denham, E.B., 1912 Ceylon at the census of 1911. Colombo, Ceylon Government Press
De Rosayro, R.A., 1945 The montane grasslands (patanas) of Ceylon. Part I. Trop.Agric., 101:206–16
De Rosayro, R.A., 1950 Ecological conceptions and vegetational types with special reference to Ceylon. Trop. Agric., 151:108–21
De Silva, S.S., 1983 The reservoir fishery: present status and future strategies. J. Inland Fish., Sri Lanka, 2:3–13
De Silva, S.S., 1983a Reproductive strategies of some major fish species in Parakrama Samudra Reservoir and their possible impact on the ecosystem -a theoretical consideration. In Limnology of Parakrama Samudra, edited by F. Schiemer The Hague, The Netherlands, W. Junk Publishers, pp. 183–91
De Silva, S.S., 1985 The Mahaweli Basin. FAO Fish.Tech.Pap., (265):91–165
De Silva, S.S., 1985a, Status of the introduced cichlid Sarotherodon mossambicus (Peters) in the reservoir fishery of Sri Lanka: a manage-ment strategy and ecological implications. Aquat.Fish.Manage., 16:91–102
De Silva, S.S., 1985b Observations on the abundance of the exotic cichlid Sarotherodon mossambicus (Peters) in relation to fluctuations in the water-level in a man-made lake in Sri Lanka. Aquat.Fish.Manage., 16:265–72
De Silva, S.S., 1985c Body condition and nutritional ecology of Oreochromis mossambicus (Piscus, Cichlidae) populations of man-made lakes in Sri Lanka. J.Fish.Biol., 27:621–33
De Silva, S.S., 1986 Reproductive biology of Oreochromis mossambicus of man-made lakes in Sri Lanka: a comparative study. Aquat.Fish. Manage., 17:31–47
De Silva, S.S., 1987 The inland fishery of Sri Lanka. FAO Fish.Rep., (371) Suppl: 145–65
De Silva, S.S., 1987a Stocking practices in Sri Lanka. FAO Fish. Rep.., (371) Suppl: 224–32
De Silva, S.S. and J.S. Chandrasoma, 1980 Reproductive biology of Sarotherodon mossambicus, an introduced species in an ancient man-made lake in Sri Lanka. Environ.Biol. Fish., 5:253–9
De Silva, S.S. and C.H. Fernando, 1980 Recent trends in the fishery of Parakrama Samudra, an ancient man-made lake in Sri Lanka. In Ecology and development, edited by J.I. Furtado. Kuala Lumpur, Malaysia, University of Malaya Press, pp. 927–37
De Silva,1987 S.S. and K.D.W. Senaratne, Oreochromis mossambicus is not universally a nuisance species. Paper Presented at the Second International Symposium, Tilapia in aquaculture.Bangkok, March 1987
De Silva, S.S. and H.K.G. Sirisena, 1987 New fish resources of reservoirs in Sri Lanka: feasibility of introduction of a subsidiary gillnet fishery for minor cyprinids. Fish.Res.., 6:17–34
De Silva, S.S., 1988 Observations on the nesting habits of O. mossambicus (Peters) (Pisces:Cichlidae) in Sri Lankan reservoirs. J.Fish Biol., 33: 00–00.
De Silva, S.S., 1988a New fish resources of reservoirs in Sri Lanka 3: results of commercial scale trials and yeild estimates of a gillnet fishery for minor cyprinids. Fish.Res., 7:00–00.
De Silva, S.S., C.D. De Silva and W.M.K. Perera, 1983 Changes in body condition and proximate composition with maturation in Puntius sarana and Sarotherodon mossambicus. In Limnology of Parakrama Samudra, edited by F. Schiemer. The Hague, W. Junk Publishers, pp. 177–84
De Silva,1984 S.S., P.Matipe and R.T.Cumaranatunga, 1984 Aspects of the biology of the euryhaline Asian cichlid, Etroplus suratensis. Environ.Biol.Fish., 10:77–87
De Silva, S.S., 1984a M.K. Perera and P. Maitipe, The composition, nutritional status and digestibility of Sarotherodon mossambicus from nine man-made lakes in Sri Lanka. Environ.Biol.Fish., 113:205–19
Dissanayake, C.B., 1984 Environmental geochemistry and its impact on humans. In Ecology and Biogeography in Sri Lanka, edited by C.H. Fernando.
The Hague, The Netherlands, W. Junk Publishers, pp.65–97
Dokulil, M., K. Bauer and I.Silva, 1983 An assessment of the phytoplankton biomass and primary productivity of Parakrama Samudra, a shallow manmade lake in Sri Lanka. In Limnology of Parakrama Samudra, Sri Lanka, edited by F. Schiemer, The Hague, The Netherlands, W. Junk Publishers, pp. 49–76
Domros, M., 1976 Sri Lanka. Die Tropeninsel Ceylon. Darmstadt Wissenschaftliche Buchgesellaschaft, 298 p.
Duncan, A., 1983 The composition, density and distribution of the zooplankoton in Parakrama Samudra. In Limnology of Parakrama Samudra, Sri Lanka, edited by F. Schiemer, The Hague, The Netherlands, W. Junk Publishers. pp. 85–94
Duncan, A., 1984 Assessment of factors influencing the composition, body size and turnover rate of zooplankton in Parakrama Samudra, an irrigation reservoir in Sri Lanka. Hydrobiologia, 113:201–15
Duncan, A. and R.D. Gulati, 1983 A diurnal study of the planktonic rotifer populations in Parakrama Samudra reservoir, Sri Lanka. In Limnology of Parakrama Samudra, Sri Lanka, edited by F. Schiemer. The Hague, The Netherlands, W. Junk Publishers, pp. 95–106
Ellepola, D.P., 1955 Changing trends in village Ceylon. Proc. Ceylon Assoc.Adv.Sci., 1955 (Sec. 2):121–46
Erb, D.K., 1984 Land forms and drainage. In Ecology and biogeography in Sri Lanka, edited by C.H. Fernando. The Hague, The Netherlands, W. Junk Publishers, pp. 35–63
Fernando, A.D.N., 1979 Major ancient irrigation works of Sri Lanka.J.R.Asiat.Sco.(Sri Lanka Branch), 22: 1–24
Fernando, C.H., 1965 The development of Ceylon's fisheries II; the role of inland waters in relation to the development of Ceylon's fisheries and a note on the pearl oyster fishery. Bull.Fish.Res.Stn., Ceylon, 17:291–7
Fernando, C.H., 1971 The role of introduced fish in fish production in Ceylon's freshwaters. In The scientific management of animal and plant communities for conservation, edited by E. Duffey and A.S. Watt. Oxford, Blackwell Scientific Publishers, pp. 295–310
Fernando, C.H., 1977 Reservoir fisheries in South East Asia: past, present and future. Proc. IPFC, 17(3): 475–80
Fernando, C.H., 1980 The fishery potential of man-made lakes in Southeast Asia and some strategies for its optmization. In BIOTROP Anniversary Publication. Bogor, Indonesia, BIOTROP, pp. 25–38
Fernando, C.H. and S.S. De Silva, 1984 Man-made lakes; ancient heritage and modern biological resources. In Ecology and Biogeography in Sri Lanka, edited by C.H. Fernando. The Hague, The Netherlands, W.Junk Publishers, pp. 431–51
Fernando, C.H. and W.B. Ellepola, 1969 A preliminary study of two village tanks (reservoirs) in the Polonnaruwa area, with biological notes on these reservoirs in Ceylon. Bull. Fish. Res. Stn., Ceylon, 20:3–13
Fernando, C.H. and J. Holcik, 1982 The nature of fish communities: a factor influencing the fishery potential of tropical lakes and reservoirs. Hydrobiologia, 97:127–40
Fernando, C.H. and H.H.A. 1969 Indrasena, The freshwater fisheries of Ceylon. Bull. Fish. Res. Stn., Ceylon, 20:101–34
Fernando, C.H. and R. Rajapaksa, 1983 Some remarks on long -term and seasonal changes in the zooplankton of Prakrama Samudra. In Limnology of Parakrama Samudra, Sri Lanka, edited by F. Schiemer. The Hague, The Netherlands, W. Junk Publishers, pp. 77–84
Gaboury, M.N. and J.W. Patalas, 1984 Influence of water level draw-down on fish populations of Cross Lake, Manitoba. Can. J. Fish. Aquat. Sci., 41: 118–25
Gaussen, H., 1964 et al., International map of the vegetation, Ceylon.Colombo, Ceylon Survey Department
Gophen, M., R.W. Drenner and G.L. Vinyard, 1983 Cichlid stocking and the decline of the Galilee Saint Peter's fish (Sarotherodon galileus) in Lake Kinneret, Israel. Can. J. Fish. Aquat. Sci., 40:983–6
Gunatilaka, A., 1983 Phosphorus and phosphatase dynamics in Parakrama Samudra based on diurnal observations. In Limnology of Parakrama Samudra, Sri Lanka, edited by F. Schiemer. The Hague, The Netherlands, Dr. W. Junk Publishers, pp.35–47
Gunatilaka, A. and C. Senaratne, 1981 Parakrama Samudra (Sri Lanka) Project; a study of a tropical lake ecosystem. 2. Chemical Environment with special reference to nutrients. Verh, Int. Ver. Theor. Angew. Limnol., 21:1000–6
Gunawardene, H.D. and A.M.K.R. Adikari, 1981 Studies on the
quality of irrigation waters in Kalawewa area. J. Natl. Sci. Counc., Sri Lanka, 9:121–48
Hall, G.E., 1985 Reservoir fishery needs and priorities. Fisheries, 10:3–5
Hanson, J.M. and W.C. Leggett, 1982 Empirical prediction of fish biomass and yield. Can. J. Fish. Aquat. Sci., 39:257–63
Henderson, B.A., 1985 Factors affecting growth and recriuitment of yellow perch, Perca flavescens Mitchill, in South Bay, Lake Huron. J. Fish Biol., 26: 449–58
Henderson, H.F. and R.L. Welcomme, 1974 The relationship of yield to morpho-edaphic index and number of fishermen in African inland fisheries. Relation entre la production, l'indice des eaux continentales d'Afrique. CIFA Occas. Pap./Doc. Occas. CPCA, (1):19p Hickling, C.F., 1971 Fish culture. London, Faber and Faber Limited, 318p Hofer, R. and F. Schiemer, 1983 Feding ecology assimilation effciencies and energetics of two herbivorous fish: Sarotherodon (Tilapia) mossambicus (Peters) and Puntius filamentosus (Cuv. et Val.). In Limnology of Parakrama Samudra, Sri Lanka, edited by F. Schiemer. The Hague, The Netherlands, W. Junk Publishers, pp. 155–64
Holsinger, E.C.T., 1955 The planktonic algae of three Ceylon lakes. Hydrobiologia, 7:8–24
Hunting Survey Corporation, 1962 A report on survey of resources of the Mahaweli Ganga Basin, Ceylon. Part I. Colombo, Ceylon Government Press, 252p.
Indrapala, K., 1965 The invasions from south India and the abandonment of Polonnaruwa. Ph.D. Thesis, University of London (unpublished).
Indrasena, H.H.A., 1965 The development of freshwater fisheries in Ceylon. Bull. Fish. Res. Stn., Ceylon, 17: 287–9
Joachim, A.W., 1955 The soils of Ceylon. Trop. Agric., 11: 161–72
Koelmeyer, K.O., 1958 Climatic classification and distribution of vegetation in Ceylon. Ceylon For., 3: 265–93
Lamarque, P., Y. Therezien, and N. Charlon, 1985 Etude des conditions de la peche electrique dans les eaux tropicales. Bull. Cent. Etud. Rech. Sci Biarritz, 10:403–554
Liyanagamage, A, 1968 The decline of Polonnaruwa and the rise of Dambadeniya. Colombo, Cultural Affairs Department, 213p.
Mahaweli 1983 Ganga Projects and Programmes, 1983 A survey of the progress of work on the accelerated programme of Mahaweli Development in 1982 and the development proposed in 1983. Colombo, Sri Lanka, Ministry of Mahaweli Development, 102p.
Maitipe, P. and S.S. De Silva, 1985 Switches between zoophagy, phytophagy and detritivory in adult Sarotherodon mossambicus, populations of twelve man-made lakes in Sri Lanka. J. Fish Biol., 26:49–61
Marr, J.C., 1982 The reality of fishery management in the South East Asian region. ICLARM Conf. Proc., (9):299–307
Marshall, B.E., 1984 Predicting ecology and fish yields in African reservoirs from preimpoundment physico-chemical data. Comment prevoir l' ecologie des reservoirs africains et leur rendement en poisson a partir de donnees physico-chimiques reunies avant endiguement. CIFA Tech. Pap. /Doc. Tech. CPCA, (12): 36p
Martin, D.B., 1984 et al., Spring and summer water levels in a Missouri River reservoir: effects on age-O fish and zooplankton. Trans. Am. Fish. Soc., 110:370–81
McKaye, K.R., 1985 et al., On the possible introduction of non-indigenous zooplankton-feeding fishes into Lake Malawi, Africa. Biol. Conserv., 33:289–308
Melack, J.M., 1976 Primary productivity and fish yields in tropical lakes. Trans. Am. Fish. Soc., 105: 575–80
Mendis, A.S., 1965 A preliminary study of twentyone Ceylon lakes 2. Limnology and fish production potential. Bull. Fish. Res. Stn., Ceylon, 18: 7–16
Mendis, A.S., 1977 The role of man-made lakes in the development of fisheries in Sri Lanka. Proc. IPFC, 17 (3):247–54
Ministry of Fisheries, 1980 Master plan for the development of fisheries in Sri Lanka, 1975–1983. Colombo Ministry of Fisheries, 38 p.
Miranda, L.E., W.L. Shelton and T.D. Bryce, 1984 Effects of water level manipulation on abundance, mortality, and growth of young-of-year largemouth bass in West Point Reservoir, Alabama, Georgia. N. Am. J. Fish. Manage., 4: 314–20
Moorman, F.R. and C.R. Panabokke, 1961 Soils of Ceylon: a new approach to the identification and classi
fication of the soils of Ceylon. Trop. Agric., 117
Moreau, J., 1987 Inland fisheries in Madagascar. FAO Fish. Rep., (371) Suppl.:72–103
Moreau, J., B. Bambino and D. Pauly, 1986 A comparison of four indices of overall fish growth performance, based on 100 tilapia populations (Fam. Cichlidae). In Proceedings of the First Asian Fisheries Forum, edited by J. Maclean, L.B.Dizon and L.V.Hisillos. Manila, ICLARM, pp.201–6
Mueller-Dombois, D., 1968 Climatic maps of Ceylon. Colombo, Sri Lanka, Survey Department
Mueller-Dombois, D., 1968a Ecogeographic analysis of a climate map of Ceylon with particular reference to vegetation. Ceylon For., 8:39–58
Murphey, R., 1957 The ruins of ancient Ceylon. J. Asian Stud., 181–200
Needham, J., 1971 J.,Science and civilization in China. Vol. 4, Part 3. Cambridge University Press, 931p.
Newrkla, P., 1983 Sediment characteristics and the benthic community oxygen uptake rates in Parakrama Samudra, an ancient man-made-lake in Sri Lanka. In Limnology of Parkrama Samudra, Sri Lanka, edited by F.Schiemer. The Hague, The Netherlands, W.Junk Publishers, pp. 127 –34
Newrkla, P. and A. Duncan, 1984 The biology and density of Ehirava fluviatilis (Clupeoid) in Parakrama Samudra, Sri Lanka. Verh. Int. Ver. Limnol. Theor. Angew., 22:1572–78
Nicholls, L., 1921 Malaria and the lost cities of Ceylon. Indian Med. Gaz., 54:9–13
Noakes, D.L.G. and E.K. Balon,1982 Life histories of tilapias: an evolutionary perspective. ICLARM Conf. Proc., (7):61–82
Oglesby, R.T., 1977 Relationship of fish yield to lake phytoplankton standing crop, production and morphoedaphic factors. J.Fish. Res.Board Can., 34:2271–9
Oglesby, R.T., 1985 Management of lacustrine fisheries in the tropics. Fisheries, 10(2):16–9
Panabokke, C.R., 1967 Soil science, the soils of Ceylon and the use of fertilizers, Colombo, Ceylon Association for the Advancment of Science, 150 p.
Panabokke, C.R., 1984 Sri Lanka showing the approximate distribution of great soil groups. Colombo, Survey Department
Paranawitana, S., 1958 Glimpses of the political and social conditions of medieval Ceylon. Sir Paul
Pieris Felicitation volume. Colombo, Apothecaries Limited, pp.69–74
Paranawitana, S., 1960 Civilization of the period: economic and social conditions. History of Ceylon, 1 (Part 2), Peradeniya, University of Ceylon, 713–20
Parker, H., 1981 Ancient Ceylon. New Delhi, Asian Educational Services, 695 p, 2nd ed.
Pemadasa, M.A., 1984 Grasslands. In Ecology and biogeography in Sri Lanka, edited by C.H. Fernando. The Hague, The Netherlands, W.Junk Publishers, pp. 99–131
Perera, N.P., 1984 Natural resources, settlements and land use. In Ecology and biogeography in Sri Lanka, edited by C.H. Fernando. The Hague, The Netherlands, W.Junk Publishers, pp. 453–92
Petr, T., 1978 Tropical man-made lakes - their ecological impact. Arch. Hydrobiol., 81(3):368–85
Petr, T., 1985 Indigenous fish and stocking lakes and reservoirs on tropical islands of the Indo-Pacific. Verh. Int. Ver. Theor. Angew. Limnol., 22:2680–3
Petr, T., 1986 Inland fisheries of Indo-Pacific countries. FAO Fish. Circ. (794):59p.
Petr, T. and J.M. Kapetsky, 1983 Pelagic fish and fisheries of tropical and sub-tropical natural lakes and reservoirs. ICLARM Newsl., (6):9–13
Ploskey, G.R., 1985 Impacts of terrestrial vegetation and preimpoundment clearing on reservoir ecology and fisheries in the United States and Canada. FAO Fish. Tech. Pap., (258):35p.
Pullin, R.S. and R.H. Lowe-McConnell (eds), 1982 The Biology and Culture of Tilapias. ICLARM Conf. Proc., (7):432p.
Rigler, F.H., 1982 The relationship between fisheries management and limnology. Trans. Am. Fish. Soc., 111:121–32
Roberts, M.W., 1971 Irrigation policy in British Ceylon during the nineteenth century. J. South Asian Stud., 2:47–63
Rott, E., 1983 A contribution to the phytoplankton species composition of Parakrama Samudra, an ancient man-made lake in Sri Lanka. In Limnology of Parakrama Samudra, Sri Lanka, edited by F. Schiemer. The Hague, The Netherlands, W.Junk Publishers, pp. 209–26
Ruwet, J.C., 1961 Contribution a l'etude des problems piscicoles dulacde retenue de la Lufra (Katanga). Liege, Editions FULREAC, Universite de Liege, 82p.
Ryder, R.A., 1965 A method of estimating the potential fish production of north temperate lakes. Trans. Am. Fish. Soc., 94:214–8
Ryder, R.A., 1982 The morphoedaphic index - use, abuse and fundamental concepts. Trans. Am. Fish. Soc., 111:154–64
Sarinita, A.S., 1987 Introduction and stocking of fish in lakes and reservoirs in Southeast Asian countries, with special reference to Indonesia. FAO Fish. Rep., (371) suppl.: 193–8
Schiemer, F., (ed.), 1983 The limnology of Parakram Samudra, Sri Lanka. The Hague, The Netherlands, W. Junk Publishers, 192p. Schiemer, F. and R. Hofer, 1983 A contribution to the ecology of the fish fauna of the Parakrama Samudra, In Limnolgoy of the Parakrama Samudra, Sri Lanka, edited by F.Schiemer. The Hague, The Netherlands. W.Junk Publishers, pp. 134–54
Schlesinger, D.A. and H.A. Regier, 1982 Climatic and morphoedaphic indices of fish yields from natural lakes. Trans. Am. Fish. Soc., 111:141–50
Schnitter, N.J., 1967 A short history of dam engineering. Water Power 19;142–8
Sifa, Li, L. Weimin, P. Chang die and Z. Pinru, 1985 A study on the growth performance and the genetic and environmental causes of silver carp from Chang jiang River and Pearl River. Paper Presented at the Asian Symposium on Freshwater Fish Culture, Beijing, Oct. 1985
Smith, M. and Jiffry, F., 1986 The reproductive strategy of Labeo dussumerii and implications of hydro electric and irrigation projects on the Mahaweli Ganga, Sri Lanka. In: Proceedings of the First Asian Fisheries Forum, edited by J.Maclean, L.B.Dizon and L.V. Hosillos. Manila, ICLARM, pp. 693–6
Smith, N.A., 1971 A history of dams. London, Peter Davies, 279p.
Silva, E.I.L. and R.W. Davies, 1986 Movement of some indigenous riverine fish in Sri Lanka. Hydrobiologia, 137:263–70
Sinha, V.R.P.,1974 V.G. Jhingran and S.V. Ganapati, A review of the spawning of the Indian major carps. Arch. Hydrobiol. 73:518–36
Sirisena, H.K.G. and S.S.De Silva, 1988 New fish resources of reservoirs in Sri Lanka 2: further studies on a gillnet fishery for minor cyprinids. Fish. Res., 6:00–00
Sreenivasan, A., 1970 Limnology of tropical impoundments: a comparative study of the major reservoirs
in Madras State, India. Hydrobiologia, 36: 443–59
Sreenivasan, A, 1984 Influence of stocking on fish production in reservoirs in South India. FAO Fish. Rep., (312):40–52
Sreenivasan, A, 1988 The status of some exotic fish introductions in Tamil Nadu. Abstracts, Workshop on Exotic Aquatic Introductions in India, Mangalore, India, April 1988 Sreenivasan, A. and K. Thayaparan, 1983 Fisheries development in the Mahaweli system. J. Inland Fish., Sri Lanka, 2:4–49
Subasinghe, S. 1982 Freshwater fish production in Sri Lanka and its role in the nutrition of the population living in the inland areas. J. Inland Fish., Sri Lanka 1:89–96
Survey Department, 1972 Ceylon climate. Colombo, Survey Department
Survey Department, 1983 Hydrological data. National Atlas of Sri Lanka. Colombo, Survey Department Svardson, G., 1972 The predatory impact of eel (Anquilla Anquilla L.). Rep. Inst. Freshwat. Res., Drottingholm, Sweden, 52:149–91
TAMS, 1980 Environmental assessment. Accelerated Mahaweli Development Programme. New York, TAMS (Tippetts-Abbott-McCarthy-Stratton), Vols 1–3.
Tapiador, D.D., 1977 et al., Freshwater fisheries and aquaculture in China. FAO Fish. Tech. Pap., (168):84p.
Tennent, E., 1861 Sketches of the natural history of Ceylon. London, Longman and Roberts, 500p.
Tennakoon, K.S.B., 1983 Observations on induced breeding of Chinese carps in Sri Lanka. J. Inland Fish., Sri Lanka, 2:73–98
Thambyahpillay, G., 1952 The climate of Ceylon. M.A. Thesis, University of California, Los Angeles, 258p.
Thambyahpillay, G., 1954 The rainfall rhythm in Ceylon. Univ. Ceylon Rev., 12:164–76
Thambyahpillay, G., 1965 Dry zone climatology. J. Natl. Agric. Soc. Ceylon, 2:1–43
Thayaparan, K., 1982 The role of seasonal tanks in the development of freshwater fisheries in Sri Lanka. J. Inland Fish., Sri Lanka., 1:133–67
Thayaparan, K., 1983 External assistance for inland fisheries 1983 development in Sri Lanka. J. Inland Fish., Sri Lanka, 2:165–77
Udawattage, U.D.S., 1985 The development of micro-catchments in Sri Lanka. J. Hydrol., 80:351–9
Uhlmann, D., J. Benndorf and H. Pankow, 1982, A note on thermal and oxygen stratification and
phytoplankton composition in some reservoirs in Tamil Nadu and Kerala, India. Int. Rev. Ges. Hydrobiol., 67:63–84
UNDP/FAO, 1969 Master plan (1965–1969). Mahaweli Ganga Irrigation and Hydropower Survey, Ceylon. Rome, UNDP/FAO
UNDP/FAO, 1983 Aquaculture development and training. Revised project document for UNDP Project, SRI/79/023/G/01/12 (mimeo), Rome, UNDP/FAO
Van de Lippe, P., 1951 Ceylon restores its ancient irrigation works. Civil Eng., London, (Sept. 1951), 41 –4
Vitanage, P.W., 1970 A study of geomorphology and morphotecttonics in Ceylon. Proceedings of the Seminar on geochemical prospecting methods and techniques, Peradeniya, Sri Lanka, University of Ceylon, pp 391–406
Wadia, D.N. 1945 The three superposed peneplains of Ceylon. Prof. Pap. Ceylon Dep. Minerol., 1:25–32
Wannigama, N.D. and D.E.M. Weerakoon, 1982 Studies on cage culture of Sarotherodon niloticus in man-made lakes in Sri Lanka. J. Inland Fish., Sri Lanka, 1:67–85
Weerakoon, D.E.M., 1979 Induced spawning of two major species of Chinese carps, Ctenopharynqodon idellus and Aristichthys nobilis in Sri Lanka. Bull. Fish. Res. Stn, Sri Lanka, 29:55–62 Weeraratne, A., 1983 Recent advances in inland fisheries in Sri Lanka. J. Inland Fish., Sri Lanka, 2:30–3 Weeraratne, S., 1983 Pesticides-an overview with particular reference to Sri Lanka. Econ. Rev., 8:4–12
Welcomme, R. L., 1967 Observations on the biology of the introduced species of Tilapi in Lake Victoria. Rev. Zool. Bot. Afr., 76:249–79
Welcomme, R. L., 1970 Studies on the effects of abnormally high water levels on the ecology of fish in certain shallow regions of Lake Victoria. J.Zool., Lond., 160:405–36
Welcomme, R. L., 1976 Some general and theoretical considerations on the fish yield of African rivers. J. Fish Biol., 8:51–64
Welcomme, R. L., 1984 International transfers of inland fish species. In Distribution, biology and management of exotic fishes, edited by W.R. Courtney and J.R. Stauffer. Baltimore, Maryland, John Hopkins University Press, pp.22–40
Welcomme, R.L. and H.F. Henderson, 1976 Aspects of the management of inland waters for fisheries. FAO Fish. Tech. Pap., (161):36p. Issued also in French and Spanish
Wijeyaratne, 1984 M.S.J. and U.S. Amarasinghe, Estimations of maximum sustainable fish yields and stocking densities of inland reservoirs of Sri Lanka. J. Natl. Aquat. Resources Agency, Sri Lanka, 31:65–72
Wijeyaratne, M.S.J. and H.H. Costa, 1981 Stocking rate estimations of Tilapia mossambica finger- lings for some inland reservoirs of Sri Lanka. Int. Rev. Gesam. Hydrobiol., 66:327–33
Willey, A., 1910 Notes on the freshwater fisheries of Ceylon. Spolia Zeylan., 7:88–105
Winkler, H., 1983 The ecology of cormorants (genus (Phalacrocorax). In Limnology of Parakrama Samudra, Sri Lanka, edited by F.Schiemer. The Hague, The Netherlands, W. Junk Publishers, pp. 193–200
Youngs, W.D. and D.G. Heimbuch, 1982 Another consideration of the morphoedaphic index. Trans. Am. Fish. Soc., 111:151–3.
Anonymous, 1986 Village irrigation. Econ. Rev., 11:33p.
Anonymous, 1986a Village irrigation. Econ. Rev., 12:33p.