Monitoring of benthic eukaryotic communities in two tropical coastal lagoons through eDNA metabarcoding: a spatial and temporal approximation

Castro-Cubillos, Margoth L.; Taylor, Joe D. ORCID: https://orcid.org/0000-0003-0095-0869; Mastretta-Yanes, Alicia; Benítez-Villalobos, Francisco; Islas-Villanueva, Valentina. 2022 Monitoring of benthic eukaryotic communities in two tropical coastal lagoons through eDNA metabarcoding: a spatial and temporal approximation. Scientific Reports, 12, 10089. 14, pp. 10.1038/s41598-022-13653-9

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Abstract/Summary

Tropical coastal lagoons are important ecosystems that support high levels of biodiversity and provide several goods and services. Monitoring of benthic biodiversity and detection of harmful or invasive species is crucial, particularly in relation to seasonal and spatial variation of environmental conditions. In this study, eDNA metabarcoding was used in two tropical coastal lagoons, Chacahua (CH) and Corralero (C) (Southern Mexican Pacific), to describe the benthic biodiversity and its spatial–temporal dynamics. The distribution of benthic diversity within the lagoons showed a very particular pattern evidencing a transition from freshwater to seawater. Although the two lagoon systems are similar in terms of the species composition of metazoans and microeukaryotes, our findings indicate that they are different in taxa richness and structure, resulting in regional partitioning of the diversity with salinity as the driving factor of community composition in CH. Harmful, invasive, non-indigenous species, bioindicators and species of commercial importance were detected, demonstrating the reach of this technique for biodiversity monitoring along with the continued efforts of building species reference libraries.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1038/s41598-022-13653-9
UKCEH and CEH Sections/Science Areas:	Soils and Land Use (Science Area 2017-)
ISSN:	2045-2322
Additional Information. Not used in RCUK Gateway to Research.:	Open Access paper - full text available via Official URL link.
Additional Keywords:	biodiversity, community ecology, ecology, molecular ecology, tropical ecology, wetlands ecology
NORA Subject Terms:	Ecology and Environment
Date made live:	01 Nov 2022 16:51 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/533467

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