Environmental DNA metabarcoding reveals winners and losers of global change in coastal waters
Studies of the ecological effects of global change often focus on one or a few species at a time. Consequently, we know relatively little about the changes underway at real-world scales of biological communities, which typically have hundreds or thousands of interacting species. Here, we use COI mtD...
Published in: | Proceedings of the Royal Society B: Biological Sciences |
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crroyalsociety:10.1098/rspb.2020.2424 2024-09-09T20:01:33+00:00 Environmental DNA metabarcoding reveals winners and losers of global change in coastal waters Gallego, Ramón Jacobs-Palmer, Emily Cribari, Kelly Kelly, Ryan P. The David and Lucile Packard Foundation 2020 http://dx.doi.org/10.1098/rspb.2020.2424 https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2020.2424 https://royalsocietypublishing.org/doi/full-xml/10.1098/rspb.2020.2424 en eng The Royal Society https://royalsociety.org/-/media/journals/author/Licence-to-Publish-20062019-final.pdf https://royalsociety.org/journals/ethics-policies/data-sharing-mining/ Proceedings of the Royal Society B: Biological Sciences volume 287, issue 1940, page 20202424 ISSN 0962-8452 1471-2954 journal-article 2020 crroyalsociety https://doi.org/10.1098/rspb.2020.2424 2024-08-26T04:21:00Z Studies of the ecological effects of global change often focus on one or a few species at a time. Consequently, we know relatively little about the changes underway at real-world scales of biological communities, which typically have hundreds or thousands of interacting species. Here, we use COI mtDNA amplicons from monthly samples of environmental DNA to survey 221 planktonic taxa along a gradient of temperature, salinity, dissolved oxygen and carbonate chemistry in nearshore marine habitat. The result is a high-resolution picture of changes in ecological communities using a technique replicable across a wide variety of ecosystems. We estimate community-level differences associated with time, space and environmental variables, and use these results to forecast near-term community changes due to warming and ocean acidification. We find distinct communities in warmer and more acidified conditions, with overall reduced richness in diatom assemblages and increased richness in dinoflagellates. Individual taxa finding more suitable habitat in near-future waters are more taxonomically varied and include the ubiquitous coccolithophore Emiliania huxleyi and the harmful dinoflagellate Alexandrium sp. These results suggest foundational changes for nearshore food webs under near-future conditions. Article in Journal/Newspaper Ocean acidification The Royal Society Proceedings of the Royal Society B: Biological Sciences 287 1940 20202424 |
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language |
English |
description |
Studies of the ecological effects of global change often focus on one or a few species at a time. Consequently, we know relatively little about the changes underway at real-world scales of biological communities, which typically have hundreds or thousands of interacting species. Here, we use COI mtDNA amplicons from monthly samples of environmental DNA to survey 221 planktonic taxa along a gradient of temperature, salinity, dissolved oxygen and carbonate chemistry in nearshore marine habitat. The result is a high-resolution picture of changes in ecological communities using a technique replicable across a wide variety of ecosystems. We estimate community-level differences associated with time, space and environmental variables, and use these results to forecast near-term community changes due to warming and ocean acidification. We find distinct communities in warmer and more acidified conditions, with overall reduced richness in diatom assemblages and increased richness in dinoflagellates. Individual taxa finding more suitable habitat in near-future waters are more taxonomically varied and include the ubiquitous coccolithophore Emiliania huxleyi and the harmful dinoflagellate Alexandrium sp. These results suggest foundational changes for nearshore food webs under near-future conditions. |
author2 |
The David and Lucile Packard Foundation |
format |
Article in Journal/Newspaper |
author |
Gallego, Ramón Jacobs-Palmer, Emily Cribari, Kelly Kelly, Ryan P. |
spellingShingle |
Gallego, Ramón Jacobs-Palmer, Emily Cribari, Kelly Kelly, Ryan P. Environmental DNA metabarcoding reveals winners and losers of global change in coastal waters |
author_facet |
Gallego, Ramón Jacobs-Palmer, Emily Cribari, Kelly Kelly, Ryan P. |
author_sort |
Gallego, Ramón |
title |
Environmental DNA metabarcoding reveals winners and losers of global change in coastal waters |
title_short |
Environmental DNA metabarcoding reveals winners and losers of global change in coastal waters |
title_full |
Environmental DNA metabarcoding reveals winners and losers of global change in coastal waters |
title_fullStr |
Environmental DNA metabarcoding reveals winners and losers of global change in coastal waters |
title_full_unstemmed |
Environmental DNA metabarcoding reveals winners and losers of global change in coastal waters |
title_sort |
environmental dna metabarcoding reveals winners and losers of global change in coastal waters |
publisher |
The Royal Society |
publishDate |
2020 |
url |
http://dx.doi.org/10.1098/rspb.2020.2424 https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2020.2424 https://royalsocietypublishing.org/doi/full-xml/10.1098/rspb.2020.2424 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Proceedings of the Royal Society B: Biological Sciences volume 287, issue 1940, page 20202424 ISSN 0962-8452 1471-2954 |
op_rights |
https://royalsociety.org/-/media/journals/author/Licence-to-Publish-20062019-final.pdf https://royalsociety.org/journals/ethics-policies/data-sharing-mining/ |
op_doi |
https://doi.org/10.1098/rspb.2020.2424 |
container_title |
Proceedings of the Royal Society B: Biological Sciences |
container_volume |
287 |
container_issue |
1940 |
container_start_page |
20202424 |
_version_ |
1809933432231297024 |