Spatial and temporal variation of benthic fish assemblages during the extreme drought of 1997-98 (El Niño) in the middle rio Negro, Amazonia, Brazil
Spatial and temporal variation in the benthic fish composition, species richness, density and biomass were studied in the lower rio Branco and its confluence with the rio Negro during the 1997-98 dry season (September to February). Samples were taken with a 5.28 m (16-ft) otter trawl in three expedi...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Sociedade Brasileira de Ictiologia
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Series: | Neotropical Ichthyology |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252004000300004&lng=en&tlng=en |