Descrição
Three surveys at Easter Island (Rapa Nui) spanning the period 1999–2005, and examination of private and museum collections, have revealed a depauperate zooxanthellate scleractinian fauna. Collections were all made off island shelf exposures, from tide pools to 70 m with scuba, and by dredging to 100 m. With synonymies, reassignments, and two new records in the families Pocilloporidae and Faviidae, the Easter Island coral fauna now comprises 13 species. Pocilloporid and poritid coral abundances were generally high on all island shelves protected from southern swells. A cluster analysis of the coral fauna relationships of 19 south, central, and far-eastern Pacific sites indicates a strong affinity between those of Easter Island and the far-eastern Pacific equatorial region (e.g., Colombia, Ecuador, Panama´, and the Galapagos Islands). The precipitous drop in coral species richness from the Pitcairn Island group (61 species) to Easter Island suggests the presence of a dispersal barrier between these two remote southeastern Pacific areas, separated by @ 1,800 km of deep ocean waters. Consideration of the surface circulation based on satellite-tracked surface drifters confirms this conclusion. Surface currents are from east to west along the topography on which Easter and Sala-y-Gomez Islands sit, suggesting a substantial barrier to recruitment from the west.
Registros de Dados
Os dados deste recurso de ocorrência foram publicados como um Darwin Core Archive (DwC-A), que é o formato padronizado para compartilhamento de dados de biodiversidade como um conjunto de uma ou mais tabelas de dados. A tabela de dados do núcleo contém 53 registros.
This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.
Versões
A tabela abaixo mostra apenas versões de recursos que são publicamente acessíveis.
Como citar
Pesquisadores deveriam citar esta obra da seguinte maneira:
Glynn P W, Wellington G M, Riegel B, Olson D B, Borneman E, Wieters E A (2024). Scleractinian Coral Fauna of Easter Island (Rapa Nui). Version 1.1. Southwestern Pacific Ocean Biogeographic Information System (OBIS) Node. Occurrence dataset. https://nzobisipt.niwa.co.nz/resource?r=scleractinian_rapa_nui&v=1.1
Direitos
Pesquisadores devem respeitar a seguinte declaração de direitos:
O editor e o detentor dos direitos deste trabalho é Southwestern Pacific Ocean Biogeographic Information System (OBIS) Node. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF Registration
Este recurso foi registrado no GBIF e atribuído ao seguinte GBIF UUID: 3e0c680c-c8a2-4478-ba17-895f22c01e8b. Southwestern Pacific Ocean Biogeographic Information System (OBIS) Node publica este recurso, e está registrado no GBIF como um publicador de dados aprovado por Ocean Biodiversity Information System.
Palavras-chave
Occurrence; Observation
Contatos
- Provedor Dos Metadados ●
- Originador ●
- Ponto De Contato
- Originador
- Originador
- Originador
- Originador
- Originador
- Usuário
Cobertura Geográfica
Easter Island (Rapa Nui)
| Coordenadas delimitadoras | Sul Oeste [-27,21, -109,46], Norte Leste [-27,06, -109,29] |
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Cobertura Taxonômica
Scleractinian coral
| Ordem | Scleractinia |
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Métodos de Amostragem
The focus of this study is Easter Island (Rapa Nui), centered at 109° 22' W, 27° 07' S. This is one of the most isolated localities in the tropical/subtropical oceans. Coral collection sites were concentrated along the western and northern shores, with some collections also carried out at two offshore islets to the south of the island and at Punta Redonda on the southeastern coast.
| Área de Estudo | Easter Island (Rapa Nui) |
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Descrição dos passos do método:
- Most collections were made with scuba to 70m depth on surveys conducted during 14–19 March 1999, 18–22 March 2000, and 12–20 March 2005. Most specimens were deposited in the Marine Invertebrate Museum of the Rosenstiel School of Marine and Atmospheric Science, University of Miami (UMML)
- Material was also examined from drag hauls at 100 m, and in the collections of the Museo de Zoologıa, Departamento de Zoologıa, Universidad de Concepcion (UCMZ).
Citações bibliográficas
- Glynn, P.W., Wellington, G.M., Riegl, B., Olson, D.B., Borneman, E., and Wieters, E.A. 2007. Diversity and Biogeography of the Scleractinian Coral Fauna of Easter Island (Rapa Nui). Pacific Science (2007), vol. 61, no. 1:67–90.
Metadados Adicionais
marine, harvested by iOBIS
| Identificadores alternativos | https://nzobisipt.niwa.co.nz/resource?r=scleractinian_rapa_nui |
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