A reassessment of the phytogeographic characterization of Temperate Pacific South America

In 1980, a study of geographic distribution patterns and geographic affinities of benthic algae of temperate Pacific South America (5-55 ºS) provided a first characterization of these coasts. High endemism and limited floristic exchange with the Tropical Pacific and with islands in the South Pacific...

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Autores principales: SANTELICES,BERNABE, MENESES,ISABEL
Lenguaje:English
Publicado: Sociedad de Biología de Chile 2000
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2000000400005
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spelling oai:scielo:S0716-078X20000004000052001-04-09A reassessment of the phytogeographic characterization of Temperate Pacific South AmericaSANTELICES,BERNABEMENESES,ISABEL benthic phytogeography isolation latitudinal patterns seaweeds temperate South America In 1980, a study of geographic distribution patterns and geographic affinities of benthic algae of temperate Pacific South America (5-55 ºS) provided a first characterization of these coasts. High endemism and limited floristic exchange with the Tropical Pacific and with islands in the South Pacific at various distances from the continent were two outstanding features of the marine flora. A partial blockage of species exchange partially accounted for a peculiar latitudinal pattern of species richness that increases with increasing latitudes. In contrast, there was reduced species richness in comparison with other climatically equivalent regions that have contact with more effective routes of migration. Over the last two decades, more than 30 taxonomic and biogeographic studies on this benthic marine flora have been completed, adding a significant number of new records for the area. New studies test the above characterization and indicate that the new data add support to several key aspects of the phytogeographic characterization of this coastline. The relative importance of the various floristic components at different latitudes, the isolated character of this flora and the latitudinal pattern of increasing species richness to higher latitudes are showninfo:eu-repo/semantics/openAccessSociedad de Biología de ChileRevista chilena de historia natural v.73 n.4 20002000-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2000000400005en10.4067/S0716-078X2000000400005
institution Scielo Chile
collection Scielo Chile
language English
topic benthic phytogeography
isolation
latitudinal patterns
seaweeds
temperate South America
spellingShingle benthic phytogeography
isolation
latitudinal patterns
seaweeds
temperate South America
SANTELICES,BERNABE
MENESES,ISABEL
A reassessment of the phytogeographic characterization of Temperate Pacific South America
description In 1980, a study of geographic distribution patterns and geographic affinities of benthic algae of temperate Pacific South America (5-55 ºS) provided a first characterization of these coasts. High endemism and limited floristic exchange with the Tropical Pacific and with islands in the South Pacific at various distances from the continent were two outstanding features of the marine flora. A partial blockage of species exchange partially accounted for a peculiar latitudinal pattern of species richness that increases with increasing latitudes. In contrast, there was reduced species richness in comparison with other climatically equivalent regions that have contact with more effective routes of migration. Over the last two decades, more than 30 taxonomic and biogeographic studies on this benthic marine flora have been completed, adding a significant number of new records for the area. New studies test the above characterization and indicate that the new data add support to several key aspects of the phytogeographic characterization of this coastline. The relative importance of the various floristic components at different latitudes, the isolated character of this flora and the latitudinal pattern of increasing species richness to higher latitudes are shown
author SANTELICES,BERNABE
MENESES,ISABEL
author_facet SANTELICES,BERNABE
MENESES,ISABEL
author_sort SANTELICES,BERNABE
title A reassessment of the phytogeographic characterization of Temperate Pacific South America
title_short A reassessment of the phytogeographic characterization of Temperate Pacific South America
title_full A reassessment of the phytogeographic characterization of Temperate Pacific South America
title_fullStr A reassessment of the phytogeographic characterization of Temperate Pacific South America
title_full_unstemmed A reassessment of the phytogeographic characterization of Temperate Pacific South America
title_sort reassessment of the phytogeographic characterization of temperate pacific south america
publisher Sociedad de Biología de Chile
publishDate 2000
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2000000400005
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