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| Desclaux, Terence; Hubert, Clarisse; Le Tesson, Eric; Lemonnier, Hugues; Petton, Sebastien; Royer, Florence; Soulard, Benoit; Schohn, Thomas; Le Gendre, Romain. |
| Dans l’objectif de mieux caractériser le devenir en mer des apports terrigènes autour de la ville de Nouméa, Nouvelle-Calédonie, notamment suite au passage de dépressions et cyclones tropicaux, différents réseaux d’observation routiniers (GOPS, Météo-France, DAVAR) ont été complétés par l’installation d’instruments au niveau des exutoires marins de la Dumbéa et la Coulée, et par la réalisation répétée de profils hydrologiques (CTD) sur la zone côtière d’intérêt. L’objectif de ce rapport est de restituer et commenter les observations collectées. Le contexte météo-océanique et les observations réalisées sont d’abord exposés sur l’ensemble de la période étudiée, qui court du 1er décembre 2016 au 30 avril 2017. Les conséquences du passage du cyclone Cook sur... |
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Palavras-chave: Apports terrigènes; Lagon; Campagne de mesure; Panache; Rivière; Cyclone; Dépression tropicale; Grand Nouméa; Nouvelle-Calédonie; Physico chimie. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00471/58315/60865.pdf |
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| Bockel, Thomas; Pelletier, Dominique; Carpentier, Liliane; Schohn, Thomas. |
| Conducted within the AMBIO project, this work deals with coral reef fish communities and associated habitats, in the New Caledonian lagoons. It relies on remote unbaited underwater video observations, using the STAVIRO rotating technique. The field work was realized in 2013 in and around the Merlet Marine Reserve, in the south of New-Caledonia, and located within the “Grand Lagon Sud” world heritage area. The sampling design covers the entire area, and was stratified according to reef type (outer slope, reef flat, reef shallow terrace, lagoon, and fringing reef). 162 stations were validated within 6 days. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a list of 429 fish species (cf. AMBIO/A/1). 28... |
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Palavras-chave: Biodiversité Ichtyofaune Habitat Vidéo sous-marine STAVIRO Evaluation Suivi Réserve Merlet AMP; Patrimoine mondial; Ecosystème corallien Nouvelle-Calédonie Indicateur Tableau de bord Serveur de cartes Sextant PAMPA Biodiversity Fish Habitat Underwater video STAVIRO Monitoring and assessment Merlet Marine Reserve MPA; World Heritage Coral reefs New Caledonia Indicator Dashboard Map server Sextant PAMPA. |
| Ano: 2017 |
URL: http://archimer.ifremer.fr/doc/00406/51756/52353.pdf |
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| Schohn, Thomas; Bockel, Thomas; Carpentier, Liliane; Pelletier, Dominique. |
| - The AMBIO project conducted a comprehensive video-based baseline assessment of coral reef fish communities and associated habitats in the New Caledonian lagoons. The survey relies on remote unbaited underwater video observations, using the STAVIRO rotating technique. - The study pertains to the reefs of Astrolabe, Pétrie and Walpole Island, located within the Coral Sea Natural Park. The survey conducted in 2014 covers the entire area, and the sampling design was stratified according to reef type. 95 stations were validated. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a list of 565 fish species (cf. AMBIO/A/1). - 28 indicators were computed and mapped (maps available on a Sextant server).... |
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Palavras-chave: Biodiversité; Ichtyofaune; Habitat; Vidéo sous-marine; STAVIRO; Evaluation; Suivi; Parc naturel mer de Corail; Nouvelle-Calédonie; Indicateur; Tableau de bord; Serveur de cartes; Sextant; PAMPA; Ecosystème corallien; Biodiversity; Fish; Habitat; Underwater video; STAVIRO; Monitoring and assessment; Marine Protected Area: Coral Sea Natural Park; Coral reefs; New Caledonia; Indicator; Dashboard; Map server; Sextant; PAMPA. |
| Ano: 2017 |
URL: http://archimer.ifremer.fr/doc/00406/51738/52324.pdf |
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| Pelletier, Dominique; Bockel, Thomas; Carpentier, Liliane; Schohn, Thomas; Raillard, Benoit; Roman, William; Powell, Abigail. |
| This study is conducted within the AMBIO project, focused on the biodiversity of New Caledonian lagoons. It aims at assessing the ecological impact of touristic cruises in the Baie du Santal at Lifou Island. A survey conducted in 2014 using the remote unbaited underwater video STAVIRO rotating technique, enabled to validate 133 stations, which were then analyzed to characterize the habitat surrounding each station, and fish communities, based on a list of 565 fish species. 15 indicators were computed and mapped (maps available on a Sextant server). They were analysed using the PAMPA computing tool. Outcomes were organized in a dashboard for each management objective (biodiversity conservation and fisheries management). 122 fish species (plus turtle and... |
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| Ano: 2016 |
URL: http://archimer.ifremer.fr/doc/00362/47348/47335.pdf |
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