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The future of biotic indices in the ecogenomic era: Integrating (e)DNA metabarcoding in biological assessment of aquatic ecosystems

Abstract: The bioassessment of aquatic ecosystems is currently based on various biotic indices that use the occurrence and/or abundance of selected taxonomic groups to define ecological status. These conventional indices have some limitations, often related to difficulties in morphological identification of bioindicator taxa. Recent development of DNA barcoding and metabarcoding could potentially alleviate some of these limitations, by using DNA sequences instead of morphology to identify organisms and to characterize a given ecosystem. In this paper, we review the structure of conventional biotic indices, and we present the results of pilot metabarcoding studies using environmental DNA to infer biotic indices. We discuss the main advantages and pitfalls of metabarcoding approaches to assess parameters such as richness, abundance, taxonomic composition and species ecological values, to be used for calculation of biotic indices. We present some future developments to fully exploit the potential of metabarcoding data and improve the accuracy and precision of their analysis. We also propose some recommendations for the future integration of DNA metabarcoding to routine biomonitoring programs.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Science of the Total Environment Volumes 637?638, 1 October 2018, Pages 1295-1310

Editorial: Elsevier

 Fecha de publicación: 01/10/2018

Nº de páginas: 16

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.scitotenv.2018.05.002

ISSN: 0048-9697,1879-1026

Url de la publicación: https://doi.org/10.1016/j.scitotenv.2018.05.002

Autores/as

PAWLOWSKI, JAN

KELLY-QUINN, MARY

ALTERMATT, FLORIAN

APOTHÉLOZ-PERRET-GENTIL, LAURE

BEJA, PEDRO

BOGGERO, ANGELA

BORJA, ÁNGEL

BOUCHEZ, AGNÈS

CORDIER, TRISTAN

DOMAIZON, ISABELLE

FEIO, M.J.

FILIPE, A.F.

FORNAROLI, RICCARDO

GRAF, W.

HERDER, JELGER

VAN DER HOORN, BERRY

IWAN JONES, J.

SÁGOVÁ-MAREKOVÁ, M

KAHLERT, MARIA

MORITZ, CHRISTIAN

PIGGOTT, JEREMY J.

PINNA, MAURIZIO

RIMET, FREDERIC

RINKEVICH, BUKI

SOUSA-SANTOS, CARLA

SPECCHIA, VALERIA

TROBAJO, ROSA

VASSELON, VALENTIN

VITECEK, SIMON

ZIMMERMAN, JONAS

WEIGAND, ALEXANDER

LEESE, FLORIAN

KAHLERT, M.