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 48 to 62 of 62 < previous 
Issue DateTitleAuthor(s)
1998Studies of the metamorphic stages of the endemic frog Limnonectes greeni (Amphibia: Ranidae) and Polypedates eques (Amphibia: Rhacophridae)Weerawardena, S.R.; Costa, H.H.
1964Studies on the reponses of fresh water animals to toxic substances and low oxygen tensionsCosta, H.H.
1986The susceptibility and resistance of fry and fingerlings of Oreochromis mossambicus Peters to some pesticides commonly used in Sri LankaShafiei, T.M.; Costa, H.H.
1990The susceptibility and resistance of fry and fingerlings of Oreochromis mossambicus Peters to some pesticides commonly used in Sri LankaShafiei, T.M.; Costa, H.H.
2004A systematic study of freshwater Oligochaetes from Sri Lanka IIWeerasundara, G.A.; Costa, H.H.
1987The Biology of grey Mullets in a tropical lagoon in Sri Lanka I-Age and growthWijeyaratne, M.J.S.; Costa, H.H.
1995The Effects of leaving central bare areas in traditional circular brush-parks on the yield of fish in the brush-park fishery in Negombo estuary, Sri Lanka.Costa, H.H.; Wijeyaratne, M.J.S.
1988The food, fecundity and gonadal maturity of Valamugil Cunnnesius (Pisces; Mugilidae) in the Negombo lagoon, Sri LankaWijeyaratne, M.J.S.; Costa, H.H.
1987The food, feeding and reproduction in an estuarine population of green-back Mullet, Liza Tade (Forsskal) in the Negombo lagoon, Sri LankaWijeyaratne, M.J.S.; Costa, H.H.
1987The food, feeding and reproduction of the Borneo Mullet, Liza Macrolepis (Smith), in a coastal estuary in Sri LankaWijeyaratne, M.J.S.; Costa, H.H.
2004The Limnology of Ihalagama wewa, a minor perennial reservoir in the wet zone of Sri Lanka , with special reference to the production of Oreochromis mossambicus and Etroplus suratensisCosta, H.H.; Wanninayaka, T.B.; Wijeyaratne, M.J.S.
1988Trypanosoma cruzi: Advantages of isolating bloodstream trypomastigotes by the carboxy methyl cellulose methodde Silva, A.M.M.; Costa, H.H.; Takehara, H.A.; Mota, I.
2004The use of scales as a rapid method of identification of Mugilid species in Negombo lagoon, Sri LankaRathnayake, R.K.S.; Costa, H.H.
1994Utilization of mangrove species in brushpark construction and their effects on Negombo Estuary fishery (Sri Lanka)Costa, H.H.; Wijeyaratne, M.J.S.
1982Water quality criteria for pollution controlCosta, H.H.
Showing results 48 to 62 of 62 < previous