Ecological variables for deep-ocean monitoring must include microbiota and meiofauna for effective conservation
Résumé
Recently, Danovaro et al. [1] prioritized deep-sea essential ecological variables (DEEVs), based on opinions from 112 deep-sea experts worldwide, to support development of a global deep-ocean monitoring and conservation strategy. While a set of universally important DEEVs is necessary to ensure appropriate monitoring, we challenge the conclusion that macro-and megafauna should be prioritized over microscopic organisms, notably eukaryotic and prokaryotic microbes, and meiofauna. Status assessments of deep-sea habitats, and indeed any habitat, need to capture the most ecologically significant aspects, given current scientific understanding and existing methodologies. Danovaro et al.'s [1] claim that there is consensus among experts that deep-ocean monitoring should prioritize large organisms (macro-and megafauna) is partly a result of skewed expertise among survey respondents, 55% of whom were macrofauna and megafauna experts. With the addition of expertise in fish and large vertebrates, the proportion of large-animal specialists increases to approximately 75% of respondents [1], leaving small, yet crucial, organisms, and associated processes, chronically underrepresented.
Domaines
Ecologie, Environnement
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Ingels et al. - 2020 - Ecological variables for deep-ocean monitoring mus.pdf (152.39 Ko)
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