000			02059nab a2200349 a 4500
003			AR-ReUNN
005			20260702003057.0
008			260630s2006 ag |||||||||||||||||eng
041	0		_aeng
100	1		_aJaureguizar, Andrés J. _9147571
700	1		_aMenni, Roberto Carlos _9117941
700	1		_aGuerrero, Raúl _9147572
700	1		_aLasta, Carlos _9147573
245	1	0	_aEnvironmental factors structuring fish communities of the Río de la Plata estuary / Andrés J. Jaurenguizar ...[et al.].
264		1	_c2006
300			_a17 páginas
500			_aDisponible en caja 16 no 25 de INICNE
520			_aWe examined the changes in composition of fish assemblages for all seasons in the Río de la Plata estuary (36°S, 56°W), and identified the parameters that control the main structuring of the estuarine community. Multivariate analysis (DCCA), performed on species biomass (t nm-2), indicated a spatial structuring of the estuarine community in three areas: inner, central and outer. Bottom salinity was the main factor associated with the significant differences in species composition. Examination of the estuary as a whole indicated a persistent spatial pattern, and suggested that temperature has the strongest influence on seasonal structure of fish assemblages. Both seasonal migrations (for example, of Trichiurus lepturus and Discopyge tschudii) and reproductive movements (for example, of Micropogonias furnieri, Mustelus schmitti and Cynoscion guatucupa), appear as important factors affecting the temporal structure of the estuarine community.
650		4	_aFactores Ambientales _95747
650		4	_aComunidades Acuaticas _9116943
650		4	_aRio de la Plata _97617
650		4	_aPeces de Agua Dulce _96471
650		4	_aFreshwater Fish _9117439
650		4	_aInland Waters _9117440
650		4	_aArgentina _94258
650		4	_aEnvironmental Factors _9147241
650		4	_aAquatic Communities _9146973
773	0		_tFisheries Research _gv. 66 (2004) _w234605
942			_cART
035			_a(INICN)36102
001			234698
999			_c234698 _d234698
040			_aAR-ReUNN _bspa _cAR-ReUNN _eaacr2