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Why We Need Sustainable Networks Bridging Countries, Disciplines, Cultures and Generations for Aquatic Biomonitoring 2.0: A Perspective Derived From the DNAqua-Net COST Action

Florian Leese 1 Agnes Bouchez 2 Kessy Abarenkov 3 Florian Altermatt 4 Angel Borja 5 Kat Bruce 6 Torbjorn Ekrem 7 Fedor Čiampor 8 Zuzana Čiampor 8 Filipe Costa 9 Sofia Duarte 10 Vasco Elbrecht 11 Diego Fontaneto 12 Alain Franc 13, 14 Matthias Geiger 15 Daniel Hering 1 Maria Kahlert 16 Belma Kalamujić Stroil 17 Martyn Kelly 18 Emre Keskin 19 Igor Liska 20 Patricia Mergen 21 Kristian Meissner 22 Jan Pawlowski 23 Lyubomir Penev 24 Yorick Reyjol 25 Ana Rotter 26 Dirk Steinke 21 Bas van der Wal 27 Simon Vitecek 22 Jonas Zimmermann 28 Alexander Weigand 29
Abstract : consequence of strong anthropogenic pressures affecting the health of lakes, rivers, oceans and groundwater. A typical assessment of the environmental quality status, such as it is required by European but also North American and other legislation, relies on matching the composition of assemblages of organisms identified using morphological criteria present in aquatic ecosystems to those expected in the absence of anthropogenic pressures. Through decade-long and difficult intercalibration exercises among networks of regulators and scientists in European countries, a pragmatic biomonitoring approach was developed and adopted, which now produces invaluable information. Nonetheless, this approach is based on several hundred different protocols, making it susceptible to issues with comparability, scale and resolution. Furthermore, data acquisition is often slow due to a lack of taxonomic experts for many taxa and regions and time-consuming morphological identification of organisms. High-throughput genetic screening methods such as (e)DNA metabarcoding have been proposed as a possible solution to these shortcomings. Such “next-generation biomonitoring”, also termed “biomonitoring 2.0”, has many advantages over the traditional approach in terms of speed, comparability and costs. It also creates the potential to include new bioindicators and thereby further improves the assessment of aquatic ecosystem health. However, several major conceptual and technological challenges still hinder its implementation into legal and regulatory frameworks. Academic scientists sometimes tend to overlook legal or socioeconomic constraints, which regulators have to consider on a regular basis. Moreover, quantification of species abundance or biomass remains a significant bottleneck to releasing the full potential of these approaches. Here, we highlight the main challenges for next-generation aquatic biomonitoring and outline principles and good practices to address these with an emphasis on bridging traditional disciplinary boundaries between academics, regulators, stakeholders and industry.
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https://hal.inria.fr/hal-01984996
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Submitted on : Thursday, January 17, 2019 - 3:03:10 PM
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Florian Leese, Agnes Bouchez, Kessy Abarenkov, Florian Altermatt, Angel Borja, et al.. Why We Need Sustainable Networks Bridging Countries, Disciplines, Cultures and Generations for Aquatic Biomonitoring 2.0: A Perspective Derived From the DNAqua-Net COST Action. Next Generation Biomonitoring: Part 1, 58, Elsevier, pp.63-99, 2018. ⟨hal-01984996⟩

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