Abstract

The NextSea, under the PORTUGAL 2020 Partnership Agreement, through the European Regional Development Fund (ERDF). MF and SF benefitted from FCT Ph.D. (SFRH/BD/113547/2015) and post-doc (SFRH/BPD/109842/2015) fellowships

Highlights

  • Meiobenthic organisms are key components of estuarine environments, providing invaluable functions and services

  • Several studies on the spatial variability of meiofauna at small-scale and at meso-scale have been carried out in an attempt to elucidate community structure, both using traditional approaches and DNA-based tools. All these studies focused on the importance of environmental features in the distribution of particular taxonomic groups, as well as of their bio-ecological characteristics, which may overall explain the spatial structure of the meiobenthic communities

  • The two primer pairs detected different taxonomic groups attributed to meiofauna in a complementary manner

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Summary

Introduction

Meiobenthic organisms are key components of estuarine environments, providing invaluable functions and services. 1 Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Portugal With the recent progress of DNA-based technologies, in particular, DNA metabarcoding, the cosmopolitan meiofauna paradox is being questioned, suggesting that meiobenthic communities can comprise endemic and narrow-range species.

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