Are well-studied marine biodiversity hotspots still blackspots for animal barcoding?
Marine biodiversity underpins ecosystem health and societal well-being. Preservation of biodiversity hotspots is a global challenge. Molecular tools, like DNA barcoding and metabarcoding, hold great potential for biodiversity monitoring, possibly outperforming more traditional taxonomic methods. How...
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2021
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oai:doaj.org-article:ff0979c9d7a54dcbae7143d70ec5a1482021-11-14T04:33:22ZAre well-studied marine biodiversity hotspots still blackspots for animal barcoding?2351-989410.1016/j.gecco.2021.e01909https://doaj.org/article/ff0979c9d7a54dcbae7143d70ec5a1482021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2351989421004595https://doaj.org/toc/2351-9894Marine biodiversity underpins ecosystem health and societal well-being. Preservation of biodiversity hotspots is a global challenge. Molecular tools, like DNA barcoding and metabarcoding, hold great potential for biodiversity monitoring, possibly outperforming more traditional taxonomic methods. However, metabarcoding-based biodiversity assessments are limited by the availability of sequences in barcoding reference databases; a lack thereof results in high percentages of unassigned sequences. In this study, we (i) present the current status of known vs. barcoded marine animal species at a global scale based on online taxonomic and genetic databases (NCBI and BOLD) and (ii) compare the current status with data from ten years ago. Then, we focused our attention on occurrence data of marine animal species from five Large Marine Ecosystems (LMEs) representing the most well studied biodiversity hotspots, to identify disparities in COI barcoding coverage between geographic regions and at phylum level. Barcoding coverage varied among LMEs (from 36.8% to 62.4% COI-barcoded species) and phyla (from 4.8% to 74.7% COI-barcoded species), with Porifera, Bryozoa and Platyhelminthes being highly underrepresented, compared to Chordata, Arthropoda and Mollusca. We demonstrate that barcoded marine species increased from 9.5% to 14.2% since the last assessment in 2011, due to new barcodes both on already described species and on newly described ones (about 15,000 new species were described from 2011 to 2021). The next ten years will thus be crucial to enroll concrete collaborative measures and long term initiatives (e.g., Horizon 2030, Ocean Decade) to boost animal barcoding libraries for the marine realm.Francesco MugnaiEmese MegléczFederica CostantiniMarco AbbiatiGiorgio BavestrelloFabio BertasiMarzia BoMaría CapaAnne ChenuilMarina Antonia ColangeloOlivier De ClerckJosé Miguel GutiérrezLoretta LattanziMichèle LeducDaniel MartinKenan Oguz MattersonBarbara MikacLaetitia PlaisanceMassimo PontiAna RiesgoVincent RossiEva TuricchiaAndrea WaeschenbachOwen S. WangensteenElsevierarticleBiodiversity conservationMorphological taxonomyMediterranean SeaCaribbean SeaIndonesian SeaRed SeaEcologyQH540-549.5ENGlobal Ecology and Conservation, Vol 32, Iss , Pp e01909- (2021) |
| institution |
DOAJ |
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DOAJ |
| language |
EN |
| topic |
Biodiversity conservation Morphological taxonomy Mediterranean Sea Caribbean Sea Indonesian Sea Red Sea Ecology QH540-549.5 |
| spellingShingle |
Biodiversity conservation Morphological taxonomy Mediterranean Sea Caribbean Sea Indonesian Sea Red Sea Ecology QH540-549.5 Francesco Mugnai Emese Meglécz Federica Costantini Marco Abbiati Giorgio Bavestrello Fabio Bertasi Marzia Bo María Capa Anne Chenuil Marina Antonia Colangelo Olivier De Clerck José Miguel Gutiérrez Loretta Lattanzi Michèle Leduc Daniel Martin Kenan Oguz Matterson Barbara Mikac Laetitia Plaisance Massimo Ponti Ana Riesgo Vincent Rossi Eva Turicchia Andrea Waeschenbach Owen S. Wangensteen Are well-studied marine biodiversity hotspots still blackspots for animal barcoding? |
| description |
Marine biodiversity underpins ecosystem health and societal well-being. Preservation of biodiversity hotspots is a global challenge. Molecular tools, like DNA barcoding and metabarcoding, hold great potential for biodiversity monitoring, possibly outperforming more traditional taxonomic methods. However, metabarcoding-based biodiversity assessments are limited by the availability of sequences in barcoding reference databases; a lack thereof results in high percentages of unassigned sequences. In this study, we (i) present the current status of known vs. barcoded marine animal species at a global scale based on online taxonomic and genetic databases (NCBI and BOLD) and (ii) compare the current status with data from ten years ago. Then, we focused our attention on occurrence data of marine animal species from five Large Marine Ecosystems (LMEs) representing the most well studied biodiversity hotspots, to identify disparities in COI barcoding coverage between geographic regions and at phylum level. Barcoding coverage varied among LMEs (from 36.8% to 62.4% COI-barcoded species) and phyla (from 4.8% to 74.7% COI-barcoded species), with Porifera, Bryozoa and Platyhelminthes being highly underrepresented, compared to Chordata, Arthropoda and Mollusca. We demonstrate that barcoded marine species increased from 9.5% to 14.2% since the last assessment in 2011, due to new barcodes both on already described species and on newly described ones (about 15,000 new species were described from 2011 to 2021). The next ten years will thus be crucial to enroll concrete collaborative measures and long term initiatives (e.g., Horizon 2030, Ocean Decade) to boost animal barcoding libraries for the marine realm. |
| format |
article |
| author |
Francesco Mugnai Emese Meglécz Federica Costantini Marco Abbiati Giorgio Bavestrello Fabio Bertasi Marzia Bo María Capa Anne Chenuil Marina Antonia Colangelo Olivier De Clerck José Miguel Gutiérrez Loretta Lattanzi Michèle Leduc Daniel Martin Kenan Oguz Matterson Barbara Mikac Laetitia Plaisance Massimo Ponti Ana Riesgo Vincent Rossi Eva Turicchia Andrea Waeschenbach Owen S. Wangensteen |
| author_facet |
Francesco Mugnai Emese Meglécz Federica Costantini Marco Abbiati Giorgio Bavestrello Fabio Bertasi Marzia Bo María Capa Anne Chenuil Marina Antonia Colangelo Olivier De Clerck José Miguel Gutiérrez Loretta Lattanzi Michèle Leduc Daniel Martin Kenan Oguz Matterson Barbara Mikac Laetitia Plaisance Massimo Ponti Ana Riesgo Vincent Rossi Eva Turicchia Andrea Waeschenbach Owen S. Wangensteen |
| author_sort |
Francesco Mugnai |
| title |
Are well-studied marine biodiversity hotspots still blackspots for animal barcoding? |
| title_short |
Are well-studied marine biodiversity hotspots still blackspots for animal barcoding? |
| title_full |
Are well-studied marine biodiversity hotspots still blackspots for animal barcoding? |
| title_fullStr |
Are well-studied marine biodiversity hotspots still blackspots for animal barcoding? |
| title_full_unstemmed |
Are well-studied marine biodiversity hotspots still blackspots for animal barcoding? |
| title_sort |
are well-studied marine biodiversity hotspots still blackspots for animal barcoding? |
| publisher |
Elsevier |
| publishDate |
2021 |
| url |
https://doaj.org/article/ff0979c9d7a54dcbae7143d70ec5a148 |
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