000			01983nab a2200253 a 4500
003			AR-ReUNN
005			20260702003101.0
008			260630s2007 ag |||||||||||||||||spa
100	1		_aCordiviola de Yuan, Elly _9147206
245	1	0	_aEdad y crecimiento del dorado - Salminus maxillosus cuv. y val. - en el Paraná medio / Elly Cordiviola Yuan
264		1	_c2007
300			_a19 páginas
520			_aAbstract: The studied individuals have been captured in the Coastiné River, which is the river defining the right margin of the middle Paraná, to the north of Santa Fe City. The whole number of individuals (N=584) has been grouped in classes pf fork lengh with 2 cm intervals. It has then been possible to appreciate a different distribution according to sexes, the males showing lower maximum frecuencies than the females, and conversely. The length-weight relationship (found by the method of minimum squares) showed the following values. As it can be seen, there is a difference in growth between both sexes, shown by the exponent n of the length-weight relationship. This is also shown by the coefficient of condition, obtained separately for sexes and for fork length, corroborating what was said above inthe sense that, a they grow, the females show the tendency to a progessive broadening. The determination of age, based on the study of scales and vertebrae, would show that, in the concentrations existing in the middle Parana River, females reach higher sizes and ages than the males in the same captures, revealing a different integration of these according to sexes.
650		4	_aIctiología _99239
650		4	_aIchthyology _9119207
650		4	_aPeces de Agua Dulce _96471
650		4	_aFreshwater Fish _9117439
650		4	_aInland Waters _9117440
650		4	_aArgentina _94258
773	0		_tPhysis. Revista de la Asociación Argentina de Ciencias Naturales _gv. 26 n. 72 (1966) _w234656
942			_cART
035			_a(INICN)40626
001			234871
999			_c234871 _d234871
040			_aAR-ReUNN _bspa _cAR-ReUNN _eaacr2