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Browsing by Author Costa, H.H.
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Showing results 25 to 44 of 62
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Issue Date
Title
Author(s)
1988
Hydrobiology and fish production potential of major freshwater reservoirs in Hambantota district
Daniel, D.J.
;
Costa, H.H.
;
Wijeyaratne, M.J.S.
2005
Inflight and Outflight Activity Patterns of Five Species of Cave Dwelling Bats in Sri Lanka
Yapa, W.B.
;
Ratnasooriya, W.D.
;
Costa, H.H.
;
Rubsamen, R.
1995
The invertebrate fauna colonizing two submerged aquatic plants in the stream at Horton Plains, Sri Lanka
Ganehiarachchi G.A.S.M.
;
Costa, H.H.
1983
Limnology and Fish production potential of some reservoirs in Anuradhapura District, Sri Lanka
Amarasinghe, U.S.
;
Costa, H.H.
;
Wijeyaratne, M.J.S.
1984
Morphological and histological changes in the gonads of the estuarine cichlid fish Etroplussuratensis (Bloch) during gonadal development
Pathiratne, A.
;
Costa, H.H.
2004
Morphometry, food, feeding and reproductive biology of Hemiramphus gaimardi (Pisces, Hemirampidae) from some reservoirs in Sri Lanka
Ramasinghe, N.
;
Costa, H.H.
2004
Morphometry, food, feeding and reproductive biology of Xenentodon cancila - Hamilton Buchanan (Pisces, Belonidae) from some streams in Sri Lanka
Ekanayake, V.G.S.
;
Costa, H.H.
1986
Mosquito control with larvivorous fish
Wickramasinghe, M.B.
;
Costa, H.H.
1987
On management of the finfish fishery of the Negombo lagoon, Sri Lanka
Wijeyaratne, M.J.S.
;
Costa, H.H.
1986
On the biology of an estuarine population of grey mullet Mugil cephalus L. in Negombo lagoon Sri Lanka
Wijeyaratne, M.J.S.
;
Costa, H.H.
1988
Reproductive strategy and feeding of Dussumier's mullet, Liza dussumieri Valenciennes from a coastal lagoon in Sri Lanka
Wijeyaratne, M.J.S.
;
Costa, H.H.
1992
Resource partitioning of two commercially important cichlid species in there minor perennial reservoirs in the north-western province of Sri Lanka
Wijeyaratne, M.J.S.
;
Costa, H.H.
1965
Responses of freshwater animals to sodium cyanide solutions
Costa, H.H.
1966
Responses of Gammarus Pulex (L.) To Modified Environment
Costa, H.H.
1967
Responses of Gammarus pulex (L.) to Modified Environment II. Reactions to Abnormal Hydrogen Ion Concentrations
Costa, H.H.
1967
Responses of Gammarus Pulex (L.) To Modified Environment Iii. Reactions to Low Oxygen Tensions
Costa, H.H.
1980
Results of the Austrian Hydrobiological Mission, 1974, to the Seychelles-, Comores- and Mascarene-Archipelagos: Part III: The Ecology and the Distribution of Decapoda Caridea in the Indian Ocean Islands of Seychelles, Mauritius, Comores & RĂ©union
Costa, H.H.
1984
Results of the Austrian-Indian Hydrobiological Mission 1976 to the Andaman-Islands: Part V: Taxonomy and Ecology of the Decapoda-Caridea
Costa, H.H.
1999
Species composition and abundance of aquatic oligochaetes in Ihalagama reservoir, a shallow perennial minor reservoir in Sri Lanka
Weerasundara, G.A.
;
Pathiratne, A.
;
Costa, H.H.
2000
Species composition and abundance of littoral oligochaete fauna in Lunuwila reservoir, Sri Lanka
Weerasundara, A.
;
Pathiratne, A.
;
Costa, H.H.