Abstract

Metabarcoding on planktonic larval stages: an efficient approach for detecting and investigating life cycle dynamics of benthic aliens

Highlights

  • The number of marine non-indigenous species (NIS) has been increasing globally since the beginning of the 20th century

  • Monitoring NIS is crucial in order to set-up handling strategies adapted to the different phases of the invasion sequence (Blackburn et al 2011)

  • At the end of the processing steps 2,503,893 (37% of the initial number of reads) and 1,450,532 (30%) reads were retained for 18S and Cytochrome Oxidase I (COI), respectively. They were composed of 48,037 (18S) and 10,662 (COI) unique variants that were used for taxonomic assignment

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Summary

Introduction

The number of marine non-indigenous species (NIS) has been increasing globally since the beginning of the 20th century. Monitoring NIS is crucial in order to set-up handling strategies adapted to the different phases of the invasion sequence (Blackburn et al 2011). Detection will promote action at the earliest stage, during which NIS control is likely to be the most efficient, in the marine environment (Ojaveer et al 2015). On the other hand, monitoring NIS establishment and spread will allow long-term management and evaluation (e.g., reinvasion after eradication; Simberloff et al 2013)

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