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Prioritizing taxa for genetic reference database development to advance inland water conservation

Monchamp Marie-Eve, Taranu Zofia E., Garner Rebecca E., Rehill Tessa, Morissette Olivier, Iversen Lars L., Fugère Vincent, Littlefair Joanne E., da Costa Naíla Barbosa, Desforges Jessica E., Sánchez Schacht Joe R., Derry Alison M., Cooke Steven J., Barrett Rowan D.H., Walsh David A., Ragoussis Jiannis, Albert Monique, Cristescu Melania E. et Gregory-Eaves Irene. (2023). Prioritizing taxa for genetic reference database development to advance inland water conservation. Biological Conservation, 280, e109963.

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URL officielle: http://dx.doi.org/doi:10.1016/j.biocon.2023.109963

Résumé

Biodiversity loss has accelerated over the past century and freshwater species overall are among those experiencing greatest declines. Genetic resources have the potential to help evaluate the full magnitude of this loss and represent a key tool to effectively allocate conservation resources and monitor the success of restoration efforts. The full power of genetic resources will be realized when the daunting task of referencing all DNA sequences of freshwater organisms is complete. Here, we quantified the availability and distribution of barcode and genome data for freshwater macroscopic organisms in Canada, a country rich in inland water resources and thus particularly vulnerable to aquatic species losses. Impressively, most inland water species (86 %) were represented by barcodes recorded in the BOLD Systems database, while very few had full genomes available (<4 %) in the NCBI database. We identified barcode data deficiencies in northern regions and for taxa assessed as most at risk or without sufficient information for conservation status classification. As expected, the speciose insect group had a lower-than-average number of records per species and a high proportion of data deficient species without adequate barcode coverage. This study highlights where future sequencing resources should be prioritized within initiatives such as the Canada BioGenome Project and BIOSCAN Canada and provides a workflow that could be applied internationally to inform conservation management plans and to mitigate biodiversity loss.

Type de document:Article publié dans une revue avec comité d'évaluation
ISSN:00063207
Volume:280
Pages:e109963
Version évaluée par les pairs:Oui
Date:Avril 2023
Identifiant unique:10.1016/j.biocon.2023.109963
Sujets:Sciences naturelles et génie > Sciences naturelles > Biologie et autres sciences connexes
Sciences de la santé > Sciences médicales > Génétique
Département, module, service et unité de recherche:Départements et modules > Département des sciences fondamentales
Unités de recherche > Centre de recherche sur la Boréalie (CREB)
Mots-clés:biodiversity, freshwater, DNA barcodes, genetic diversity, IUCN red list, COSEWIC, genome database
Déposé le:01 juin 2023 13:37
Dernière modification:17 juill. 2023 19:01
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Creative Commons LicenseSauf indication contraire, les documents archivés dans Constellation sont rendus disponibles selon les termes de la licence Creative Commons "Paternité, pas d'utilisation commerciale, pas de modification" 2.5 Canada.

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