000			nam a22 7a 4500
999			_c9375 _d9375
003			OSt
005			20181226101927.0
008			181214b xxu||||| |||| 00| 0 eng d
040			_cNARA
100			_917452 _aAmarasinghe, U.S.
245			_aMinor cyprinids in a Sri Lankan Lake in Sri Lanka: A Potentiol Supplementary Source of Income for Fishermen
260			_c1989, _aTokyo,
300			_a1-16p.
440			_917465 _aAsian Fisheries Forum on 17th to 22nd April 1989
520			_aMorphometry of Parokrama Samudra, a man-made lake In Sri Lanka, was studied in relation to looatlon of neste of Oreochromls (Tilapia) mossamblcus. Nests of 0. moasambicus, the doalnant fish species in the reservoir, occurred in the depth range 100-160 cm* Fluctuations in the eater level do not interrupt nesting behaviour* Reproductive failure therefore cannot be ascribed to fluctuations in eater level* The peak spawning season of 0* moasambicus coincides with highest rainfall in the area* The rainy period is followed by elevation of water level in the reservoir during December to Hay* During this period, a part of the jungle areas around the reservoir, becomes inundated* This provides a large feeding area for the young r stages, with rich supply of food* Consequently the occurence of a peak recruitment season is evident in April/Hay.
650		0	_917466 _aParakrama Samudra
650		0	_917462 _aInland Fisheries
650		0	_917467 _aReservair Fishery
942			_cRP _2ddc