eDNA captures depth partitioning in a kelp forest ecosystem.
Environmental DNA (eDNA) metabarcoding is an increasingly important tool for surveying biodiversity in marine ecosystems. However, the scale of temporal and spatial variability in eDNA signatures, and how this variation may impact eDNA-based marine biodiversity assessments, remains uncertain. To add...
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Public Library of Science (PLoS)
2021
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oai:doaj.org-article:c9be0ae7bf744dd786c6d8fac6a440cc2021-12-02T20:04:26ZeDNA captures depth partitioning in a kelp forest ecosystem.1932-620310.1371/journal.pone.0253104https://doaj.org/article/c9be0ae7bf744dd786c6d8fac6a440cc2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253104https://doaj.org/toc/1932-6203Environmental DNA (eDNA) metabarcoding is an increasingly important tool for surveying biodiversity in marine ecosystems. However, the scale of temporal and spatial variability in eDNA signatures, and how this variation may impact eDNA-based marine biodiversity assessments, remains uncertain. To address this question, we systematically examined variation in vertebrate eDNA signatures across depth (0 m to 10 m) and horizontal space (nearshore kelp forest and surf zone) over three successive days in Southern California. Across a broad range of teleost fish and elasmobranchs, results showed significant variation in species richness and community assemblages between surface and depth, reflecting microhabitat depth preferences of common Southern California nearshore rocky reef taxa. Community assemblages between nearshore and surf zone sampling stations at the same depth also differed significantly, consistent with known habitat preferences. Additionally, assemblages also varied across three sampling days, but 69% of habitat preferences remained consistent. Results highlight the sensitivity of eDNA in capturing fine-scale vertical, horizontal, and temporal variation in marine vertebrate communities, demonstrating the ability of eDNA to capture a highly localized snapshot of marine biodiversity in dynamic coastal environments.Keira MonukiPaul H BarberZachary GoldPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0253104 (2021) |
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Medicine R Science Q Keira Monuki Paul H Barber Zachary Gold eDNA captures depth partitioning in a kelp forest ecosystem. |
description |
Environmental DNA (eDNA) metabarcoding is an increasingly important tool for surveying biodiversity in marine ecosystems. However, the scale of temporal and spatial variability in eDNA signatures, and how this variation may impact eDNA-based marine biodiversity assessments, remains uncertain. To address this question, we systematically examined variation in vertebrate eDNA signatures across depth (0 m to 10 m) and horizontal space (nearshore kelp forest and surf zone) over three successive days in Southern California. Across a broad range of teleost fish and elasmobranchs, results showed significant variation in species richness and community assemblages between surface and depth, reflecting microhabitat depth preferences of common Southern California nearshore rocky reef taxa. Community assemblages between nearshore and surf zone sampling stations at the same depth also differed significantly, consistent with known habitat preferences. Additionally, assemblages also varied across three sampling days, but 69% of habitat preferences remained consistent. Results highlight the sensitivity of eDNA in capturing fine-scale vertical, horizontal, and temporal variation in marine vertebrate communities, demonstrating the ability of eDNA to capture a highly localized snapshot of marine biodiversity in dynamic coastal environments. |
format |
article |
author |
Keira Monuki Paul H Barber Zachary Gold |
author_facet |
Keira Monuki Paul H Barber Zachary Gold |
author_sort |
Keira Monuki |
title |
eDNA captures depth partitioning in a kelp forest ecosystem. |
title_short |
eDNA captures depth partitioning in a kelp forest ecosystem. |
title_full |
eDNA captures depth partitioning in a kelp forest ecosystem. |
title_fullStr |
eDNA captures depth partitioning in a kelp forest ecosystem. |
title_full_unstemmed |
eDNA captures depth partitioning in a kelp forest ecosystem. |
title_sort |
edna captures depth partitioning in a kelp forest ecosystem. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2021 |
url |
https://doaj.org/article/c9be0ae7bf744dd786c6d8fac6a440cc |
work_keys_str_mv |
AT keiramonuki ednacapturesdepthpartitioninginakelpforestecosystem AT paulhbarber ednacapturesdepthpartitioninginakelpforestecosystem AT zacharygold ednacapturesdepthpartitioninginakelpforestecosystem |
_version_ |
1718375628466552832 |