Pacific Coral Reef Institute

Formation « Taxonomy of corals »

Formation  » Taxonomy of corals « 

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Agreement MEDDTL

Agreement MEDDTL (financing application for monitoring GCRMN and participation ICRI)

The agreement took place what allowed to finalize the book  » Status of Coral Reefs of the Pacific and Outlook: on 2011 « . Read more…

Grants IRCP 2012 – Fahoullia Mohamadi (France)

Fahoullia Mohamadi (France) – Grants IRCP 2012

Project title : Caracterisation using metabolomic of environmental stress on Pocillopora damicornis in French Polynesia.

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Grants IRCP 2012 – Roberta Bonaldo (Brésil)

Roberta Bonaldo (Brésil) – Grants IRCP 2013

Title of the Project : Coral-seaweed interactions and the implications for resilience of coral reefs.

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Formation DES (Direction of the Secondary education in Polynesia).

Formation DES (Direction of the Secondary education in Polynesia). A new formation of teachers of the secondary sector for the private sector is planned.
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Formation DEP (Direction of the Primary education in Polynesia).

Formation DEP (Direction of the Primary education in Polynesia). Formation of the primary school teachers of the commission « Sciences on school ».

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Grants IRCP 2011 – Sarah Nahon (France)

Spatial and temporal variations in stable carbon (δ13C) and nitrogen (δ15N) isotopic composition of symbiotic scleractinian corals 

Tropical scleractinian corals are considered autotrophic as they rely mainly on photosynthesis-derived nutrients transferred from their photosymbionts. Corals are also able to capture and ingest suspended particulate organic matter, so heterotrophy can be an important supplementary trophic pathway to optimize coral fitness. The aim of this in situ study was to elucidate the trophic status of 10 coral species under contrasted environmental conditions in a French Polynesian lagoon. Carbon (δ13C) and nitrogen (δ15N) isotopic compositions of coral host tissues and photosymbiont were determined at 3 different fringing reefs during wet and dry seasons. Our results highlighted spatial variability in stable isotopic compositions of both coral host tissue and photosymbiont. Samples from the site with higher level of suspended particulate matter were 13C-depleted and 15N-enriched relative to corals and photosymbionts from less turbid sites. However, differences in both δ13C and δ15N between coral host tissues and their photosymbionts (Δhost-photosymbionts 13C and Δhost-photosymbionts 15N) were small (0.27 ± 0.76‰ and 1.40 ± 0.90‰, respectively) and similar at all sites, thus indicating no general increases in the heterotrophic pathway. Depleted δ13C and enriched δ15N values of coral host tissues measured at the most turbid site were explained by changes in isotopic composition of the inorganic nutrients taken up by photosymbionts and also by changes in rate of isotopic fractionation with environmental conditions. Our results also highlighted a lack of significant temporal variations in δ13C and δ15N values of coral host and photosymbiont tissues and in Δhost-photosymbionts 13C and Δhost-photosymbionts 15N values. This temporal stability indicated that corals remained principally autotrophic even during the wet season when photosymbiont densities were lower and the concentrations of phytoplankton were higher. Increased coral heterotrophy with higher food availability thus appears to be species-specific.


Economic evaluation of the Marine Protected Area in Saint Martin Island in order to identify the impacts of this MPA on different economy activities of the island

In 2010, the Marine Protected Area in Saint Martin Island produced benefits between 780 k€ and 1.6 M€. The main beneficiary sector was the tourism (70%) with 50.000 visitors each year. Another benefit is the coastal protection by coral reefs which avoid each year damages on the littoral (estimated between 2 and 4 M€). Lastly, the economic impact of the MPA on fisheries is weak due to a low fishing effort around the MPA.

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Grants IRCP 2011 – Claire Godinot (Monaco)

Claire Godinot (Monaco) – Bourses IRCP 2011

Title of the project : Nutrient limitation of Pocillopora damicornis in Moorea (C. Godinot1, R. Grover, V. Berteaux-Lecellier, H. Rouzé, L. Charpy, and C. Ferrier-Pagès) Read more…

Grants IRCP 2011 – Rynae Greta Lanyon (Fidji)

Rynae Greta Lanyon (Fidji) – Grants IRCP 2011

Title of the project : Study of visual abilities of coral reef fish larvae in relationship with conspecifics, predators, light intensity of light traps and their brain organization.

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