MARINE LIFE OF URUGUAY: CRITICAL UPDATE AND PRIORITIES FOR FUTURE RESEARCH

The marine areas of Uruguay consist of the Río de la Plata estuary and the adjacent shelf and slope, part of the Subtropical Convergence Ecosystem. In this paper, the main advances in the knowledge of marine life in these areas (the known) are reviewed in order to discuss future lines of research (t...

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Autores principales:	Calliari,Danilo, Defeo,Omar, Cervetto,Guillermo, Gómez,Mónica, Giménez,Luis, Scarabino,Fabrizio, Brazeiro,Alejandro, Norbis,Walter
Lenguaje:	English
Publicado:	Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción 2003
Materias:	Marine life Biodiversity Río de la Plata Atlantic Ocean Uruguay
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382003000200015
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spelling	oai:scielo:S0717-653820030002000152005-04-25MARINE LIFE OF URUGUAY: CRITICAL UPDATE AND PRIORITIES FOR FUTURE RESEARCHCalliari,DaniloDefeo,OmarCervetto,GuillermoGómez,MónicaGiménez,LuisScarabino,FabrizioBrazeiro,AlejandroNorbis,Walter Marine life Biodiversity Río de la Plata Atlantic Ocean Uruguay The marine areas of Uruguay consist of the Río de la Plata estuary and the adjacent shelf and slope, part of the Subtropical Convergence Ecosystem. In this paper, the main advances in the knowledge of marine life in these areas (the known) are reviewed in order to discuss future lines of research (the unknown). Information has been separately analysed for the plankton, nekton, and benthos in each of 3 areas-the littoral, the shelfs and the "open ocean". Current knowledge of marine life is uneven among the groups and areas. In the case of the plankton, research has concentrated on the near-shore waters and focused on taxonomy and distribution. Little is known about the responses of organisms to environmental variability and about biological processes. The nekton of coastal and estuarine areas is better known, but, with shelf and slope assemblages, research has focused on exploited species. The main unknowns for the nekton are how trophodynamics, reproduction, and recruitment processes are linked to environmental variability and the effect of fisheries on community structure. Littoral benthos, in particular the macroinfauna of sandy beaches, is much better studied and spatial patterns of community distribution have been identified at different scales and in relation to environmental variables. Also, at the population level, there is information about distribution, responses to disturbances, dynamics, and the roles of biotic and abiotic factors in modulating population variability. Information is mainly lacking for the sub-tidal fringe and regarding the macro-ecology of population dynamics, the dispersive abilities of larval phases, and the effects of toxic blooms on suspension feeders. Knowledge of the benthos of estuaries and more so of the shelf and slope environments is rather scarce. For the latter two, faunal inventories are far from complete. Topics identified for future research include taxonomy, macro-scale community structure and its temporal variability in relation to environmental gradients, diverse aspects of population dynamics trophodynamics and the effects of human intervention on ecosystems. The incorporation of both experimental and modelling approaches is considered important for future investigations.info:eu-repo/semantics/openAccessFacultad de Ciencias Naturales y Oceanográficas, Universidad de ConcepciónGayana (Concepción) v.67 n.2 20032003-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382003000200015en10.4067/S0717-65382003000200015
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Marine life Biodiversity Río de la Plata Atlantic Ocean Uruguay
spellingShingle	Marine life Biodiversity Río de la Plata Atlantic Ocean Uruguay Calliari,Danilo Defeo,Omar Cervetto,Guillermo Gómez,Mónica Giménez,Luis Scarabino,Fabrizio Brazeiro,Alejandro Norbis,Walter MARINE LIFE OF URUGUAY: CRITICAL UPDATE AND PRIORITIES FOR FUTURE RESEARCH
description	The marine areas of Uruguay consist of the Río de la Plata estuary and the adjacent shelf and slope, part of the Subtropical Convergence Ecosystem. In this paper, the main advances in the knowledge of marine life in these areas (the known) are reviewed in order to discuss future lines of research (the unknown). Information has been separately analysed for the plankton, nekton, and benthos in each of 3 areas-the littoral, the shelfs and the "open ocean". Current knowledge of marine life is uneven among the groups and areas. In the case of the plankton, research has concentrated on the near-shore waters and focused on taxonomy and distribution. Little is known about the responses of organisms to environmental variability and about biological processes. The nekton of coastal and estuarine areas is better known, but, with shelf and slope assemblages, research has focused on exploited species. The main unknowns for the nekton are how trophodynamics, reproduction, and recruitment processes are linked to environmental variability and the effect of fisheries on community structure. Littoral benthos, in particular the macroinfauna of sandy beaches, is much better studied and spatial patterns of community distribution have been identified at different scales and in relation to environmental variables. Also, at the population level, there is information about distribution, responses to disturbances, dynamics, and the roles of biotic and abiotic factors in modulating population variability. Information is mainly lacking for the sub-tidal fringe and regarding the macro-ecology of population dynamics, the dispersive abilities of larval phases, and the effects of toxic blooms on suspension feeders. Knowledge of the benthos of estuaries and more so of the shelf and slope environments is rather scarce. For the latter two, faunal inventories are far from complete. Topics identified for future research include taxonomy, macro-scale community structure and its temporal variability in relation to environmental gradients, diverse aspects of population dynamics trophodynamics and the effects of human intervention on ecosystems. The incorporation of both experimental and modelling approaches is considered important for future investigations.
author	Calliari,Danilo Defeo,Omar Cervetto,Guillermo Gómez,Mónica Giménez,Luis Scarabino,Fabrizio Brazeiro,Alejandro Norbis,Walter
author_facet	Calliari,Danilo Defeo,Omar Cervetto,Guillermo Gómez,Mónica Giménez,Luis Scarabino,Fabrizio Brazeiro,Alejandro Norbis,Walter
author_sort	Calliari,Danilo
title	MARINE LIFE OF URUGUAY: CRITICAL UPDATE AND PRIORITIES FOR FUTURE RESEARCH
title_short	MARINE LIFE OF URUGUAY: CRITICAL UPDATE AND PRIORITIES FOR FUTURE RESEARCH
title_full	MARINE LIFE OF URUGUAY: CRITICAL UPDATE AND PRIORITIES FOR FUTURE RESEARCH
title_fullStr	MARINE LIFE OF URUGUAY: CRITICAL UPDATE AND PRIORITIES FOR FUTURE RESEARCH
title_full_unstemmed	MARINE LIFE OF URUGUAY: CRITICAL UPDATE AND PRIORITIES FOR FUTURE RESEARCH
title_sort	marine life of uruguay: critical update and priorities for future research
publisher	Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción
publishDate	2003
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382003000200015
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MARINE LIFE OF URUGUAY: CRITICAL UPDATE AND PRIORITIES FOR FUTURE RESEARCH

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