01482naa a2200241 a 450000100080000000500110000800800410001910000210006024500980008126000090017952008200018865000170100865000110102565000090103665000130104565000180105865000160107665000100109265000230110265300110112570000200113677300840115617933702017-03-30       1998    bl ---       0--  u    #d1 aCALHEIROS, D. F.  aLimnological conditions associated with natural fish kills in the Pantanal Wetland of Brazil.  c1998  aThis report describes the limnological conditions leading up to a fish kill that occurred in the floodplain of the Paraguay River during  rising water, and identifies the most likely factors that caused the fish mortality. These measurements comprise part of a broader limnological study of the floodplain, and follow preliminary reports on he diquada in the main river channel by RESENDE & MOURAO (1987) and RESENDE et al. (1990). These previous studies suggested that O2 depletion caused by decomposition of submersed organic matter was the likely cause of fish mortality in the river. In this paper we present new data for a floodplain lake, and we summarize relevant hydrochemical data for river and floodplain waters from throughout the region to constrain the possible causes of fisk kills during the diquada.  abiochemistry  aBrazil  afish  aPantanal  awater quality  aBioquímica  aPeixe  aQualidade da Água  aBrasil1 aHAMILTON, S. K.  tVerhandlugen Internationalen Vereinte Limnologiegv.26, p.2189-2193, jun. 1998.