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Studies on the reponses of fresh water animals to toxic substances and low oxygen tensions
Costa, H.H.
(
1964
)
Stocking Rate Estimations of Tilapia mossambica Fingerlings for some Inland Reservoirs of Sri Lanka
Wijeyaratne, M.J.S.
;
Costa, H.H.
(
International Review of Hydrobiology
,
1981
)
Effect 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 Lanka
Kumara, P.A.D.A.
;
Costa, H.H.
(
Sri Lanka Association for Fisheries and Aquatic Resources
,
1998
)
Water quality criteria for pollution control
Costa, H.H.
(
University of Malaya, Kuala Lumpur
,
1982
)
Mosquito control with larvivorous fish
Wickramasinghe, M.B.
;
Costa, H.H.
(
Journal of Parasitology Today
,
1986
)
The invertebrate fauna colonizing two submerged aquatic plants in the stream at Horton Plains, Sri Lanka
Ganehiarachchi G.A.S.M.
;
Costa, H.H.
(
Sri Lanka Association for Fisheries and Aquatic Resources
,
1995
)
The susceptibility and resistance of fry and fingerlings of Oreochromis mossambicus Peters to some pesticides commonly used in Sri Lanka
Shafiei, T.M.
;
Costa, H.H.
(
Asian Fisheries Forum, Manila, Philippines
,
1986
)
Utilization of mangrove species in brushpark construction and their effects on Negombo Estuary fishery (Sri Lanka)
Costa, H.H.
;
Wijeyaratne, M.J.S.
(
Willey Online
,
1994
)
Responses of Gammarus Pulex (L.) To Modified Environment
Costa, H.H.
(
Journal of Crustaceana
,
1966
)
Cave dwelling bats in Sri Lanka
Rubsamen, R.
;
Eckrich, M.
;
Costa, H.H.
(
Department of National Museums, Sri Lanka
,
2004
)
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Author
Costa, H.H. (61)
Wijeyaratne, M.J.S. (19)
Pathiratne, A. (4)
Weerasundara, G.A. (4)
Wanninayaka, T.B. (3)
Eckrich, M. (2)
Kumara, P.A.D.A. (2)
Rubsamen, R. (2)
Shafiei, T.M. (2)
Weerawardena, S.R. (2)
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Subject
Sri Lanka (2)
biology; Estuaries (1)
Estuaries (1)
Estuarine biology; Fisheries (1)
Fish Growth (1)
Fish-Growth; Epidemiology-Research; Epizoanthus (1)
Fisheries (1)
Fisheries; Reservoir animals; Reservoirs (1)
Fishery resources (1)
Fishes- Feeding & feeds (1)
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Date Issued
2000 - 2005 (7)
1990 - 1999 (14)
1980 - 1989 (28)
1970 - 1979 (3)
1962 - 1969 (9)
Has File(s)
Yes (61)