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Showing 10 out of a total of 108 results for collection: Research Articles Collection.
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The susceptibility and resistence of fry and fingerlings of Oreochromis mossambicus Peters to some pesticides commonly used in Sri Lanka (RP0060)
Shafiei, T.M.
;
Costa, H.H.
(
Hamburg: Verlag Paul Parey
,
1990
)
Effects of some common insecticides and other environmental factors on the Heart Beat of Caridina pristis (RP0062)
Costa, H.H.
(
W.Junk
,
1970
)
Prevalence of toxic genes of vibrio parahemolyticus in shrimps (penaeus monodon) and culture environment (RP0007)
Ariyawansa, K.W.S.
;
Norrakiah Abdullah Seni
;
Laina Munid
(
Malaysian Society for Microbiology
,
2007
)
An experimental study on the culture of fry of Oreochromis mossambicus (Peters) in a peaty swamp in Sri Lanka using cowdung and poultry manure as fertilizer RP0059)
Costa, H.H.
;
Keembiahetti, C.N.
(
Elsevier
,
1987
)
A systematic study of freshwater oligochaeta from Ceylon (RP0063)
Costa, H.H.
(
1967
)
The effects of some heavy metal pollutants on the heat beat of Gammarus Pulex (L) (RP0069)
Costa, H.H.
(
1980
)
The effects of leaving central bare areas in traditional circular brushparks on the yield of fish in the brushpark fishery in Negombo estuary, Sri Lanka (RP0072)
Costa, H.H.
;
wijeratne, M.J.S.
(
Japan: Ecoset
,
1995
)
Dietary guild structure in fish assemblages and trophic position of constituent species in brush parks of a tropical estuary (RP0562)
Gammanpila, Menaka
;
Amarasinghe, U.S.
;
Wijeratne, M.J.S.
(
,
2019
)
Arsenic and cadmium concentrations in legumes and cereals grown in the North Central Province, Sri Lanka and assessment of their health risk (RP0557)
Jinadasa, B.K. Kolitha Kamal
;
Edirisinghe, E.M.R.K.B.
(
Research Gate
,
2019
)
Some notes on macrobenthos in estuaries with an emphasis on macrobenthic community structure of Negombo estuary (RP0245)
Dahanayake, D.D.G.L.
(
2004
)
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Costa, H.H. (10)
Amarasinghe, Upali S. (5)
Corea, A.S.L.E. (5)
Dalpadado, P. (4)
Jayasinghe, R. P. P. K. (3)
Krakstad, J. O. (3)
Mateos-Rivera, A. (3)
Rathnasuriya, M. I. G. (3)
Skern-Mauritzen, R. (3)
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Sri Lanka (10)
Lagoon (4)
Negombo (4)
pollution (4)
biofloc technology (3)
chemistry (3)
COI gene (3)
Growth performance (3)
lagoon (3)
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2020 - 2022 (27)
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2000 - 2009 (14)
1990 - 1999 (10)
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