A5046708112- Marine and coastal plant biology
- Coral and Marine Ecosystems Studies
- Marine Biology and Ecology Research
- Echinoderm biology and ecology
- Pacific and Southeast Asian Studies
- Marine and fisheries research
- Geology and Paleoclimatology Research
- Seaweed-derived Bioactive Compounds
- Microbial Community Ecology and Physiology
- Marine Bivalve and Aquaculture Studies
- Marine and coastal ecosystems
- Island Studies and Pacific Affairs
- Paleontology and Stratigraphy of Fossils
- Coastal and Marine Management
- Isotope Analysis in Ecology
- Marine animal studies overview
- Genomics and Phylogenetic Studies
- Methane Hydrates and Related Phenomena
- Cephalopods and Marine Biology
- Geological and Geophysical Studies
- Marine Sponges and Natural Products
- Ocean Acidification Effects and Responses
- Maritime and Coastal Archaeology
- Diatoms and Algae Research
- Coastal wetland ecosystem dynamics
University of New Caledonia
2006-2024
Écologie Marine Tropicale des Océans Pacifique et Indien
2015-2024
Institut de Recherche pour le Développement
2015-2024
Institut de Recherche pour le Développement
2015-2024
Centre National de la Recherche Scientifique
1994-2024
Ifremer
2020-2022
Gouvernement de la Nouvelle-Calédonie
2017-2022
Labex Corail
2010-2021
Institut de Recherche pour le Développement
2006-2015
University of French Polynesia
2001-2014
Abstract The resilience of coral reefs is dependent on the ability corals to settle after disturbances. While crustose coralline algae (CCA) are considered important substrates for settlement, it remains unclear whether larvae respond CCA metabolites and microbial cues when selecting sites attachment metamorphosis. This study tested settlement preferences an abundant species ( Acropora cytherea ) against six different from three habitats (exposed, subcryptic cryptic), compared these with...
Abstract: Marine protected areas (MPAs) have been highlighted as a means toward effective conservation of coral reefs. New strategies are required to more effectively select MPA locations and increase the pace their implementation. Many criteria exist design networks, but generally, it is recommended that networks conserve diversity species selected for, among other attributes, representativeness, rarity, or endemicity. Because knowledge species’ spatial distribution remains scarce,...
Morphological data suggest that, unlike most other groups of marine organisms, scleractinian corals the genus Stylophora are more diverse in western Indian Ocean and Red Sea than central Indo-Pacific. However, morphology is often a poor predictor their actual biodiversity: hence, we conducted genetic survey collected Madagascar, Okinawa, Philippines New Caledonia an attempt to find out true number species these various locations.A molecular phylogenetic analysis mitochondrial ORF putative...
Until the recent use of molecular markers, species diversity Lobophora, an ecologically important brown algal genus with a worldwide distribution in temperate and tropical seas, has been critically underestimated. Using DNA-based taxonomic approach, we re-examined from New Caledonia Southwest Pacific Ocean. First, were delineated using general mixed Yule coalescent-based barcoding gap approaches applied to mitochondrial cox3 data set. Results subsequently confirmed chloroplast psbA rbcL...
Abstract Seabirds concentrate nutrients from large marine areas on their nesting islands playing an important ecological role in nutrient transfer between and terrestrial ecosystems. Here we investigate the of guano corals reefs across scales by analyzing stable nitrogen isotopic (δ 15 N) values scleractinian coral Pocillopora damicornis fringing around two Pacific remote islets with seabird colonies. Marine stations closest to colonies had higher nitrate + nitrite concentrations compared...
Abstract. The terrestrial hyperalkaline springs of Prony Bay (southern lagoon, New Caledonia) have been known since the nineteenth century, but a recent high-resolution bathymetric survey seafloor has revealed existence numerous submarine structures similar to well-known Aiguille de Prony, which are also location high-pH fluid discharge into lagoon. During HYDROPRONY cruise (28 October 13 November 2011), samples waters, gases and concretions were collected by scuba divers at underwater...
In the past few decades, in marine realm particular, use of molecular tools has led to discovery hidden taxonomic diversity, revealing complexes sister species. A good example is red algal genus Asparagopsis. The two species (A. armata and A. taxiformis) recognized this have been introduced many places around world. Within nominal taxiformis, previous analyses uncovered several lineages, suggesting existence or subspecies. Although well studied some regions (e.g., Mediterranean Sea Hawaii),...
A multi‐gene ( SSU , LSU psb A, and COI ) molecular phylogeny of the family Corallinaceae (excluding subfamilies Lithophylloideae Corallinoideae) showed a paraphyletic grouping six monophyletic clades. Pneophyllum Spongites were reassessed recircumscribed using DNA sequence data integrated with morpho‐anatomical comparisons type material recently collected specimens. We propose Chamberlainoideae subfam. nov., including genus Chamberlainium gen. C. tumidum comb. nov. as generitype, . is...
Abstract Allelopathy has been recently suggested as a mechanism by which macroalgae may outcompete corals in damaged reefs. Members of the brown algal genus Lobophora are commonly observed close contact with scleractinian and have considered responsible for negative effects to corals. Recent field assays potential role chemical mediators this interaction. We performed situ bioassays testing allelopathy crude extracts isolated compounds several species, naturally associated or not corals,...
Seagrass ecosystems provide critical contributions (goods and perceived benefits or detriments) for the livelihoods wellbeing of Pacific Islander peoples. Through in-depth examination provided by seagrass across Island Countries Territories (PICTs), we find a greater quantity in Near Oceania (New Guinea, Bismarck Archipelago Solomon Islands) western Micronesian (Palau Northern Marianas) regions; indicating stronger coupling between human society ecosystems. We also many non-material...
AbstractThe performances of the Landsat-7 ETM+, ASTER, SPOT HRV, and Ikonos satellite sensors airborne MASTER (MODIS‐ASTER simulator) were compared for coral reef habitat mapping in South Pacific reefs. This unique image data set provided different spatial resolution (4 m to 30 ETM+), spectral (two visible bands SPOT-HRV five MASTER) digitization (8‐16 bits). We focused on two islands (Tahiti Moorea, French Polynesia) with barrier fringing structures representative reefs volcanic islands....
To elucidate the possible implications of phenolic content in survival strategies two tropical brown fucaleans, Turbinaria ornata and Sargassum mangarevense, we determined total contents relation to ontogenic stages, then followed spatio-temporal variations. Samples were collected at different sites seasons. Both species exhibited low with, however, some differences: levels higher algae from grazer- nutrient-rich sites, during austral summer. Moreover, adults produced more compounds than...
SUMMARY This innovative study investigates 18 Turbinaria and Sargassum brown seaweed samples from three archipelagos of the South West Pacific Ocean. The phenolic content crude size‐fractionated extracts was determined by Folin‐Ciocalteu method; fucoxanthin measured using high performance liquid chromatography. Although proved to be low for species both genera tested, levels in were higher than those except Fiji islands where produced similar contents. These investigations also highlighted...
The brown algal genus Padina (Dictyotales, Phaeophyceae) is distributed worldwide in tropical and temperate seas. Global species diversity distribution ranges, however, remain largely unknown. Species-level was reassessed using DNA-based, algorithmic delineation techniques based on cox3 rbcL sequence data from 221 specimens collected worldwide. This resulted estimates ranging 39 to 61 putative (ESUs), depending the technique as well locus. We discuss merits, potential pitfalls, evolutionary...