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The BenBioDen database, a global database for meio-, macro- and megabenthic biomass and densities.

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Stratmann,  Tanja
HGF MPG Joint Research Group for Deep Sea Ecology & Technology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Citation

Stratmann, T., van Oevelen, D., Martinez Arbizu, P., Wei, C.-L., Liao, J.-X., Cusson, M., et al. (2020). The BenBioDen database, a global database for meio-, macro- and megabenthic biomass and densities. Scientific Data, 7(1), 206-206. doi:10.1038/s41597-020-0551-2.


Cite as: http://hdl.handle.net/21.11116/0000-0006-B780-A
Abstract
Benthic fauna refers to all fauna that live in or on the seafloor, which researchers typically divide into size classes meiobenthos (32/64m-0.5/1mm), macrobenthos (250m-1cm), and megabenthos (>1cm). Benthic fauna play important roles in bioturbation activity, mineralization of organic matter, and in marine food webs. Evaluating their role in these ecosystem functions requires knowledge of their global distribution and biomass. We therefore established the BenBioDen database, the largest open-access database for marine benthic biomass and density data compiled so far. In total, it includes 11,792 georeferenced benthic biomass and 51,559 benthic density records from 384 and 600 studies, respectively. We selected all references following the procedure for systematic reviews and meta-analyses, and report biomass records as grams of wet mass, dry mass, or ash-free dry mass, or carbon per m2 and as abundance records as individuals per m2. This database provides a point of reference for future studies on the distribution and biomass of benthic fauna.