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Registros recuperados: 5
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Pweevo 2012. Bilan de l’état de santé du récif par stations vidéo rotatives STAVIRO ArchiMer
Pelletier, Dominique; Giraud-carrier, Charlotte; Bockel, Thomas; Roman, William; Witkowski, Fanny; Powell, Abigail; Soulard, Benoit; Gonson, Charles.
• 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 study takes place in the Pouebo area, part of the New Caledonian World Heritage site, and encompassing three no-take marine reserves enclosed within a Locally Managed Area (LMA). • The sampling design covers the entire area, and was stratified according to reef geomorphology and protection status. 86 stations were validated within 4 days. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a species list that includes fished species, emblematic species and...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00274/38522/37033.pdf
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Avantages et inconvénients de la stéréo vidéo : applicabilité au protocole pour STAVIRO ArchiMer
Powell, Abigail; Pelletier, Dominique; Roman, William; Giraud-carrier, Charlotte; Jac, Cyrielle; Gins, Niels; Preuss, Bastien.
La stéréo vidéo repose sur l’utilisation synchronisée de 2 caméras permettant de produire une image en 3 dimensions. Elle permet par triangulation d’obtenir une estimation précise de la taille de chaque individu et de mesurer les distances. En 2007 en Nouvelle Calédonie l’ IFREMER a développé des systèmes mono-vidéo autonomes et rotatifs (STAVIRO et MICADO). La caméra est déployée 12 minutes depuis un bateau sans immersion de plongeurs, le temps d’effectuer 3 rotations complètes. L’objectif de l’étude est de réaliser un bilan comparatif entre l’utilisation d’un système STAVIRO classique et l’utilisation d’un système équipé en stéréo vidéo. 59 stations ont été réalisées entre le 2 et le 13 juin 2014 dans le lagon sud ouest de la Nouvelle Calédonie.
Tipo: Text Palavras-chave: Stéréo vidéo; Système vidéo rotatif; Vidéo sous-marine; Aires marines protégées.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00274/38570/37094.pdf
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Evaluation de l’état de santé des habitats et peuplements de poissons de la zone de Voh-Koné-Pouembout, Campagnes de stations vidéo rotatives STAVIRO 2007-2013 ArchiMer
Giraud-carrier, Charlotte; Pelletier, Dominique.
• Conducted within the AMBIO project, this work deals with coral reef fish communities and associated habitats, in the New Caledonian lagoons. It aims at assessing the status and trends of habitats and mobile macrofauna in the Voh-Kone-Pouembout lagoon, in the light of demographic and industrial developments and accounting for the existing customary reserve of Oundjo. • It relies on 280 stations collected in 2007 and 2013 using the remote unbaited underwater video STAVIRO rotating technique, which were analysed to characterize habitat, fish assemblages, turtles and sea snakes, from a list of 490 species (AMBIO/A/1). • 143 species (including one turtle species and one sea snake species), belonging to 23 families were observed. The most frequent and abundant...
Tipo: Text Palavras-chave: Biodiversité; Ichtyofaune; Habitat; Vidéo sous-marine; STAVIRO; Evaluation; Suivi; Impact anthropique; Aire Marine Protégée; Réserve coutumière; Ecosystème corallien; Nouvelle-Calédonie; Indicateur; Tableau de bord; Serveur de cartes; Sextant; PAMPA; Biodiversity; Fish assemblage; Habitat; Underwater video; STAVIRO; Monitoring and assessment; Anthropogenic impact; Marine Protected Area; MPA; Customary reserve; Coral reefs; New Caledonia; Indicator; Dashboard; Map server; Sextant; PAMPA.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00360/47109/47050.pdf
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Hyehen 2012. Bilan de l’état de santé du récif par stations vidéo rotatives STAVIRO ArchiMer
Pelletier, Dominique; Bockel, Thomas; Roman, William; Powell, Abigail; Giraud-carrier, Charlotte; Soulard, Benoit; Royer, Florence; Gonson, Charles.
This work deals with fish communities and associated habitats, in the context of New Caledonian coral reef ecosystems. It was conducted within the AMBIO project. The study relies on remote underwater video observations, using the STAVIRO rotating technique. The study takes place in the Hienghene area, an area (Eastern Coastal Area) part of the World Heritage site “New Caledonian lagoons”. It encompasses two Marine Protected Areas, Do Himenand Yeega. The sampling design covers the entire area, and was stratified according to reef geomorphology and protection status. 105 stations were validated within 4,5 days. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a species list that includes fished species,...
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Ano: 2014 URL: http://archimer.ifremer.fr/doc/00274/38521/37032.pdf
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Influence of settings management and protection status on recreational uses and pressures in marine protected areas ArchiMer
Gonson, Charles; Pelletier, Dominique; Alban, Frederique; Giraud-carrier, Charlotte; Ferraris, Jocelyne.
Coastal populations and tourism are growing worldwide. Consequently outdoor recreational activity is increasing and diversifying. While Marine Protected Areas (MPAs) are valuable for mitigating anthropogenic impacts, recreational uses are rarely monitored and studied, resulting in a lack of knowledge on users' practices, motivation and impacts. Based on boat counts and interview data collected in New Caledonia, we i) explored factors affecting user practices and motivations, ii) constructed fine-scale pressure indices covering activities and associated behaviors, and iii) assessed the relationships between user practices and site selection. User practices were found to depend on protection status, boat type and user characteristics. Pressure indices were...
Tipo: Text Palavras-chave: Marine protected areas; Recreational users; Pressure assessment; Motivation; Recreational opportunity spectrum; New-Caledonia.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00387/49808/50438.pdf
Registros recuperados: 5
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