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Stationary visual census of commercial fishes in Mayotte (2023)
Citation
Parc Naturel Marin De Mayotte, Wickel Julien, Pinault Mathieu, Nicet Jean-Benoit, Mulochau Thierry, Durville Patrick (2023). Stationary visual census of commercial fishes in Mayotte (2023). SEANOE. https://doi.org/10.17882/99723
Contact: Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), more ;
Access data
Archived data
Availability: CC0 To the extent possible under law, the person who associated CC0 with this dataset has waived all copyright and related or neighboring rights to this dataset.
Description

Since its establishment in 2010, the Mayotte Marine Natural Park has been promoting fishing activities beyond the lagoon, specifically targeting pelagic species to alleviate fishing pressure on reef species. However, despite these efforts, catches of reef fish remain notably high. In 2020, reef carnivores (groupers, snappers…), constituted approximately 35% of the total catches. Ensuring the sustainability of reef fishing necessitates regular assessments of Mayotte's commercial reef fish populations. 

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This study aims to evaluate the current status of these populations and comprehend their dynamics by comparing them with historical data. Scuba diving was employed for the assessment of ichthyological populations and habitat description. In 2023, a total of 96 sites, comprising 1,100 stations (Stationary visual census), were sampled, covering a combined sampled area of 169,400 m2, with an in situ observation duration totalling 110 hours. Important Note: This submission has been initially submitted to SEA scieNtific Open data Edition (SEANOE) publication service and received the recorded DOI. The metadata elements have been further processed (refined) in EMODnet Ingestion Service in order to conform with the Data Submission Service specifications.

Lineage
Prior to publication data undergo quality control checked which are described in https://github.com/EMODnet/EMODnetBiocheck?tab=readme-ov-file#understanding-the-output
Scope
Keywords:
Marine/Coastal, Bio-geographical regions, Biota, Environment, Geoscientific Information, Habitats and biotopes, Metadata non conformant, Metadata not evaluated, No limitations to public access, Oceans, Sea regions, WGS84 (EPSG:4326), XYZ ASCII, EurOBIS calculated BBOX, India, Acanthuridae Bonaparte, 1835, Animalia, Arthropoda, Balistidae Rafinesque, 1810, Caesionidae Bonaparte, 1831, Carangidae Rafinesque, 1815, Chordata, Clupeiformes, Dasyatidae Jordan & Gilbert, 1879, Decapoda, Elasmobranchii, Grammistidae Bleeker, 1857, Haemulidae Gill, 1885, Lethrinidae Bonaparte, 1831, Lutjanidae Gill, 1861, Malacostraca, Mullidae Rafinesque, 1815, Myliobatiformes, Palinuridae Latreille, 1802, Perciformes, Scaridae Rafinesque, 1810, Scombridae Rafinesque, 1815, Siganidae Richardson, 1837, Sphyraenidae Rafinesque, 1815, Teleostei, Tetraodontiformes
Geographical coverage
EurOBIS calculated BBOX Stations
Bounding Box
Coordinates: MinLong: 44,9242; MinLat: -13,0729 - MaxLong: 45,3014; MaxLat: -12,5177 [WGS84]
Temporal coverage
15 March 2021 - 24 March 2023
Taxonomic coverage
Acanthuridae Bonaparte, 1835 [WoRMS]
Animalia [WoRMS]
Arthropoda [WoRMS]
Balistidae Rafinesque, 1810 [WoRMS]
Caesionidae Bonaparte, 1831 [WoRMS]
Carangidae Rafinesque, 1815 [WoRMS]
Chordata [WoRMS]
Clupeiformes [WoRMS]
Dasyatidae Jordan & Gilbert, 1879 [WoRMS]
Decapoda [WoRMS]
Elasmobranchii [WoRMS]
Grammistidae Bleeker, 1857 [WoRMS]
Haemulidae Gill, 1885 [WoRMS]
Lethrinidae Bonaparte, 1831 [WoRMS]
Lutjanidae Gill, 1861 [WoRMS]
Malacostraca [WoRMS]
Mullidae Rafinesque, 1815 [WoRMS]
Myliobatiformes [WoRMS]
Palinuridae Latreille, 1802 [WoRMS]
Perciformes [WoRMS]
Scaridae Rafinesque, 1810 [WoRMS]
Scombridae Rafinesque, 1815 [WoRMS]
Siganidae Richardson, 1837 [WoRMS]
Sphyraenidae Rafinesque, 1815 [WoRMS]
Teleostei [WoRMS]
Tetraodontiformes [WoRMS]
Contributors
MAREX Expertise & Conseil en Environnement Marin (MAREX), more, data creator
Wickel, Julien
Pinault, Mathieu
Nicet, Jean-Benoit
Office Français de la Biodiversité (OFB), more, data creator
Mulochau, Thierry, data creator
Durville, Patrick, data creator
Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), more
Related datasets
Published in:
EurOBIS: European Ocean Biodiversity Information System, more
URLs
Dataset information:
Other:
Release date: 2025-02-12
Metadatarecord created: 2025-02-12
Information last updated: 2025-03-27
All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy