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@article{2346877,
author = {Csabai, Zoltán Szabolcs and ČiamporováandZaťovičová, Zuzana and Boda, Pál and Fedor, Čiampor Jr},
article_number = {March},
doi = {http://dx.doi.org/10.1016/j.scitotenv.2022.160922},
keywords = {COI; Metabarcoding; Barcoding; European species distribution; Water beetles; Water bugs},
language = {eng},
issn = {0048-9697},
journal = {Science of the Total Environment},
title = {50%, not great, not terrible: Pan-European gap-analysis shows the real status of the DNA barcode reference libraries in two aquatic invertebrate groups and points the way ahead},
url = {https://doi.org/10.1016/j.scitotenv.2022.160922},
volume = {863},
year = {2023}
}
TY - JOUR
ID - 2346877
AU - Csabai, Zoltán Szabolcs - Čiamporová-Zaťovičová, Zuzana - Boda, Pál - Fedor, Čiampor Jr
PY - 2023
TI - 50%, not great, not terrible: Pan-European gap-analysis shows the real status of the DNA barcode reference libraries in two aquatic invertebrate groups and points the way ahead
JF - Science of the Total Environment
VL - 863
IS - March
SP - 1-15
EP - 1-15
PB - Elsevier
SN - 00489697
KW - COI
KW - Metabarcoding
KW - Barcoding
KW - European species distribution
KW - Water beetles
KW - Water bugs
UR - https://doi.org/10.1016/j.scitotenv.2022.160922
N2 - The essential key to routine molecular species identification (DNA barcoding/metabarcoding) is the existence of an error-free DNA barcode reference library providing full coverage of all species. Published studies generally state the need to produce more barcodes, and control their quality, but unfortunately, the number of barcoded species is still low. However, to initiate real progress, we need to know where the gaps lie, how big they are and why they persist. Our aims were to draw and understand the current state of knowledge regarding species diversity, distribution, and barcode coverage, and offer solutions for improvement. In this study, we used two groups of aquatic insects, beetles and true bugs. We have compiled and critically evaluated an essentially complete and up-to-date European list, containing 1527 species. The list served as a basis for the barcode gap analyses in the Barcode-of-Life-Data-System (BOLD) conducted in three subsequent years (2020–2022). The overall barcode coverage of the pan-European fauna was around 50 % in both groups. The lowest coverage was in the Mediterranean, the Balkans and South-eastern Europe. The coverage in each country depended significantly on the local diversity, the number of rare, endemic species and the similarity of its fauna to that of the most active barcoding European countries. Gap analyses showed a very small increase in species coverage (<1 % in European aquatic beetles) despite an ~25 % increase in the number of barcodes. Hence, it is clear that future barcoding campaigns must prioritise quality over quantity. To visibly improve reference libraries, we need to increase the involvement of taxonomic experts and focus on targeted studies and underexplored but biodiversity-rich areas.
ER -
CSABAI, Zoltán Szabolcs, Zuzana ČIAMPOROVÁ-ZAŤOVIČOVÁ, Pál BODA a Čiampor Jr FEDOR. 50\%{}, not great, not terrible: Pan-European gap-analysis shows the real status of the DNA barcode reference libraries in two aquatic invertebrate groups and points the way ahead. \textit{Science of the Total Environment}. Elsevier, 2023, roč.~863, March, s.~1-15. ISSN~0048-9697. Dostupné z: https://dx.doi.org/10.1016/j.scitotenv.2022.160922.
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