Synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of Easter and Salas y Gómez islands

From the beginning of the 19th century on, several small sampling trips as well as large national and international scientific expeditions have been carried out to Easter Island (EI) and Salas y Gómez Island (SGI). The objective of this study is to compile, synthesize and analyze published informati...

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Autores principales:	Fernández,Miriam, Pappalardo,Paula, Rodríguez-Ruiz,Montserrat C, Castilla,Juan Carlos
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2014
Materias:	biodiversity biogeography endemism oceanic islands seamounts hydrothermal vents Chile
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2014000400007
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spelling	oai:scielo:S0718-560X20140004000072014-12-15Synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of Easter and Salas y Gómez islandsFernández,MiriamPappalardo,PaulaRodríguez-Ruiz,Montserrat CCastilla,Juan Carlos biodiversity biogeography endemism oceanic islands seamounts hydrothermal vents Chile From the beginning of the 19th century on, several small sampling trips as well as large national and international scientific expeditions have been carried out to Easter Island (EI) and Salas y Gómez Island (SGI). The objective of this study is to compile, synthesize and analyze published information about the biodiversity of macroalgae, macroinvertebrates and fishes associated with EI-SGI, updating the state of knowledge and making it available for the development of conservation plans. We searched all the available sources of information, such as scientific publications, scientific expeditions, fisheries data, technical reports, books, databases and online sources. We found 964 species reported within EI-SGI (143 species of macroalgae, 605 macroinvertebrates and 216 fishes), the majority for EI (923); for SGI 171 species have been reported. Species richness has increased over time, without leveling off, as sampling effort increases. However, seamounts and hydrothermal vents have been poorly studied in Chile's Exclusive Economic Zone (EEZ). A high percentage of endemism has been determined for the majority of the taxonomic groups, with mollusks and poriferans exhibiting the highest levels of endemism (33 -34%). Thus, the Rapanuian biogeographic province can be clearly identified, but information to differentiate between EI and SGI, and direct island-specific conservation efforts, is lacking. Nevertheless, the most vulnerable yet unprotected habitats (hydrothermal vents, higher diversity of seamounts size) are located towards the western limit of the EEZ.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.42 n.4 20142014-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2014000400007en10.3856/vol42-issue4-fulltext-7
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	biodiversity biogeography endemism oceanic islands seamounts hydrothermal vents Chile
spellingShingle	biodiversity biogeography endemism oceanic islands seamounts hydrothermal vents Chile Fernández,Miriam Pappalardo,Paula Rodríguez-Ruiz,Montserrat C Castilla,Juan Carlos Synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of Easter and Salas y Gómez islands
description	From the beginning of the 19th century on, several small sampling trips as well as large national and international scientific expeditions have been carried out to Easter Island (EI) and Salas y Gómez Island (SGI). The objective of this study is to compile, synthesize and analyze published information about the biodiversity of macroalgae, macroinvertebrates and fishes associated with EI-SGI, updating the state of knowledge and making it available for the development of conservation plans. We searched all the available sources of information, such as scientific publications, scientific expeditions, fisheries data, technical reports, books, databases and online sources. We found 964 species reported within EI-SGI (143 species of macroalgae, 605 macroinvertebrates and 216 fishes), the majority for EI (923); for SGI 171 species have been reported. Species richness has increased over time, without leveling off, as sampling effort increases. However, seamounts and hydrothermal vents have been poorly studied in Chile's Exclusive Economic Zone (EEZ). A high percentage of endemism has been determined for the majority of the taxonomic groups, with mollusks and poriferans exhibiting the highest levels of endemism (33 -34%). Thus, the Rapanuian biogeographic province can be clearly identified, but information to differentiate between EI and SGI, and direct island-specific conservation efforts, is lacking. Nevertheless, the most vulnerable yet unprotected habitats (hydrothermal vents, higher diversity of seamounts size) are located towards the western limit of the EEZ.
author	Fernández,Miriam Pappalardo,Paula Rodríguez-Ruiz,Montserrat C Castilla,Juan Carlos
author_facet	Fernández,Miriam Pappalardo,Paula Rodríguez-Ruiz,Montserrat C Castilla,Juan Carlos
author_sort	Fernández,Miriam
title	Synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of Easter and Salas y Gómez islands
title_short	Synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of Easter and Salas y Gómez islands
title_full	Synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of Easter and Salas y Gómez islands
title_fullStr	Synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of Easter and Salas y Gómez islands
title_full_unstemmed	Synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of Easter and Salas y Gómez islands
title_sort	synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of easter and salas y gómez islands
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2014000400007
work_keys_str_mv	AT fernandezmiriam synthesisofthestateofknowledgeaboutspeciesrichnessofmacroalgaemacroinvertebratesandfishesincoastalandoceanicwatersofeasterandsalasygomezislands AT pappalardopaula synthesisofthestateofknowledgeaboutspeciesrichnessofmacroalgaemacroinvertebratesandfishesincoastalandoceanicwatersofeasterandsalasygomezislands AT rodriguezruizmontserratc synthesisofthestateofknowledgeaboutspeciesrichnessofmacroalgaemacroinvertebratesandfishesincoastalandoceanicwatersofeasterandsalasygomezislands AT castillajuancarlos synthesisofthestateofknowledgeaboutspeciesrichnessofmacroalgaemacroinvertebratesandfishesincoastalandoceanicwatersofeasterandsalasygomezislands
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Synthesis of the state of knowledge about species richness of macroalgae, macroinvertebrates and fishes in coastal and oceanic waters of Easter and Salas y Gómez islands

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