1. Digital Repository

Browsing by Author Costa, H.H.

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 8 to 27 of 62 < previous   next >
Issue DateTitleAuthor(s)
1979The distribution of Anostraca and Conchostraca (Crustacea) in the Jaffna PeninsulaSelvarajah, N.; Costa, H.H.
1984The ecology and distribution of free-living Meso and Macrocrustacea of inland watersCosta, H.H.
1998Effect of crowding, food quality and body size on food utilization of Pomacea canaliculata (Lamarck), (Gastropoda: Ampullaridae), an introduced potential snail pest of the rice paddy in Sri LankaKumara, P.A.D.A.; Costa, H.H.
1999Effect of crowding, food quality and body size on food utilization of the exotic snail, Pomacea canaliculata (Lamarck), a potential pest of rice in Sri LankaKumara, P.A.D.A.; Chandrasekera, L.W.H.U.; Costa, H.H.
1966The effect of exercise on the survival of Phoxinus phoxinus L. in sodium cyanide solutioinsCosta, H.H.
1970Effects of some common insecticides and other environmental factors on the heart beat of Caridina pristisCosta, H.H.
1980The Effects of Some Heavy Metal Pollutants on the Heart Beat of Gammarus Pulex (L.)Costa, H.H.
1989Epidemiology of the epizootic ulcerative syndrome occurring for the first time among fish in Sri LankaCosta, H.H.; Wijeyaratne, M.J.S.
1986An experimental study on the culture of fry of Oreochromis mossambicus (Peters) in a peaty swamp in Sri Lanka using cow dung and poultry manure as fertilizerCosta, H.H.; Keembiahetty, C.N.
1987Fishery, seasonal abundance and mortality of grey mullets (Pisces; Mugilidae)in Negombo lagoon, Sri LankaWijeyaratne, M.J.S.; Costa, H.H.
1979The Food and Feeding Chronology of Yellow Perch (Perca flavescens) in Lake WashingtonCosta, H.H.
1990FOOD AND FEEDING OF TWO SPECIES OF GREY MULLETS VALAMUGIL BUCHANANI (BLEEKER)AND LIZA VAIGIENSIS QUOY AND GAIMARD INHABITING BRACKISHWATER ENVIRONMENTS IN SRI LANKAWijeyaratne, M.J.S.; Costa, H.H.
1965The food of the tadpoles of Rhacophorus cruciger cruciger (Blyth)Costa, H.H.; Balasubramaniam, S.
1986Food, feeding and fecundity of the giant freshwater prawn Macrobrachium rosenbergii from natural habitats in Sri LankaCosta, H.H.; Wanninayaka, T.B.
1986Food, feeding and fecundity of the giant freshwater prawn Macrobrachium rosenbergii from natural habitats in Sri LankaCosta, H.H.; Wanninayaka, T.B.
1987Foraging behaviour and echolocation in the rufous horseshoe bat (Rhinolophus rouxi) of Sri LankaNeuweiler, G.; Metzner, W.; Heilmann, U.; Rübsamen, R.; Eckrich, M.; Costa, H.H.
1986Growth, mortality and seasonal abundance of grey mullets in Negombo estuaryWijeyaratne, M.J.S.; Costa, H.H.
1988Hydrobiology and fish production potential of major freshwater reservoirs in Hambantota districtDaniel, D.J.; Costa, H.H.; Wijeyaratne, M.J.S.
2005Inflight and Outflight Activity Patterns of Five Species of Cave Dwelling Bats in Sri LankaYapa, W.B.; Ratnasooriya, W.D.; Costa, H.H.; Rubsamen, R.
1995The invertebrate fauna colonizing two submerged aquatic plants in the stream at Horton Plains, Sri LankaGanehiarachchi G.A.S.M.; Costa, H.H.
Showing results 8 to 27 of 62 < previous   next >