Workshop on 3D mapping of habitats and biological communities with underwater photogrammetry
Type | Article | ||||||||
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Date | 2023-11-29 | ||||||||
Language | English | ||||||||
Author(s) | Van Audenhaege Loic1, Mahamadaly Vincent2, Price David3, Sneessens Alexandre4, Cawthra Hayley5, Delamare Clément6, Danet Valentin7, Delsol Simon8, Devillers Rodolphe9, Gazis Iason-Zois10, Urbina-Barreto Isabel11 | ||||||||
Affiliation(s) | 1 : Ocean Bio Geosciences, National Oceanography Centre, Southampton, United Kingdom 2 : CREOCEAN, Montpellier, France 3 : Instituto de Investigação em Ciências do Mar – Okeanos/IMAR, Universidade dos Açores, Horta, Portugal 4 : CREOCEAN OCEAN INDIEN, Sainte-Clotilde, Réunion 5 : Minerals and Energy Unit, Council for Geoscience, Cape Town, South Africa 6 : Master Biodiversité et ÉcoSystèmes Tropicaux - Aquatique, Littoraux et Insulaires, Université de la Réunion, La Réunion, France 7 : Museum national d’Histoire naturelle, Station Marine de Dinard, CRESCO, Dinard, France 8 : Geo-Ocean, University Brest, CNRS, Ifremer, UMR 6538, Plouzané, France 9 : UMR 9220 Entropie, Institut de Recherche pour le Développement, La Réunion, France 10 : Espace-Dev (IRD, Univ La Réunion), Station SEAS-OI, La Réunion, France 11 : DeepSea Monitoring Group, GEOMAR Helmhotz Centre for Research, Kiel, Germany |
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Source | Research Ideas and Outcomes (2367-7163) (Pensoft Publishers), 2023-11-29 , Vol. 9 , P. e115796 (22p.) | ||||||||
DOI | 10.3897/rio.9.e115796 | ||||||||
Keyword(s) | photogrammetry, structure-from-motion, 3D models, habitat mapping, ecology, workshop | ||||||||
Abstract | For the past decades, photogrammetry has been increasingly used for monitoring spatial arrangement or temporal dynamics of submerged man-made structures and natural systems. As photogrammetry remains a nascent technique for data collection in the underwater environment, acquisition workflows have evolved constrained by specific methodological practicalities (e.g. euphotic environments vs. deep-sea waters). The annual GeoHab conference gathers a world-wide range of scientists interested in mapping and is, therefore, an adequate event to set up a state-of-the-art workshop on (underwater) photogrammetry. More specifically, a preliminary survey identified the overall lack of photogrammetry knowledge from the audience. A programme was conceptualised to explore within a day theoretical concepts, sampling design and practicalities and a wide range of case studies in various underwater environments. Furthermore, we provided manual training on data acquisition and processing. In overall, a post-survey demonstrated the audience’s satisfaction despite a remaining lack of confidence for implementing their own photogrammetry studies. As this workshop gathers a diversity of materials and a training relevant for a scientific audience, it sets the stage for a reproducible event and leaves room for future improvements. Finally, it provided relevant materials and discussions that enabled us to identify the aspects limiting photogrammetry methodology across scientific applications and institutes, in order to work towards standardisation. |
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