Assessing the importance of submarine canyon habitat heterogeneity to species composition and diversity – Lander Current Speed

DOI

Submarine canyons are features on the seafloor that support different benthic taxonomic composition and high biodiversity. In the upper Porcupine Bank Canyon, hull mounted multibeam echosounder (EM302) data, Conductivity-Temperature-Depth profiles, current profiles and videos of the seafloor were obtained with an 30 Hz MBES (EM302), SBE 911 CTD, 1Hz Nortek Aquadopp ADCP and the Holland I ROV to understand how seafloor bathymetry, water mass, hydrography and habitat heterogeneity supports the different taxonomic composition and biodiversity in the canyon. Survey measurements were carried out in 2017 and 2018 between 550 m to 1054 m water depth (within three site locations) to determine the spatial distribution of benthic megafauna. Non-coral habitats contained more species, and had differing taxonomic composition.

Identifier
DOI https://doi.pangaea.de/10.1594/PANGAEA.982253
Related Identifier References https://doi.org/10.3389/fmars.2020.571820
Related Identifier References https://doi.org/10.1016/j.marpolbul.2022.113764
Related Identifier References https://doi.org/10.1016/j.jip.2022.107782
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.982253
Provenance
Creator Appah, John
Publisher PANGAEA
Publication Year 2025
Funding Reference Science Foundation Ireland https://doi.org/10.13039/501100001602 Crossref Funder ID SFI 16/IA/4528 MMMonKey_Pro
Rights Creative Commons Attribution 4.0 International; Data access is restricted (moratorium, sensitive data, license constraints); https://creativecommons.org/licenses/by/4.0/
OpenAccess false
Representation
Resource Type Dataset
Format text/tab-separated-values
Size 4295577 data points
Discipline Acoustics; Engineering Sciences; Mechanical and industrial Engineering; Mechanics and Constructive Mechanical Engineering
Spatial Coverage (-15.088W, 51.870S, -14.879E, 52.244N); Porcupine Bank Canyon