Reproduction influences seasonal eDNA variation in a temperate marine fish community

Rupert A Collins; C Baillie; N Halliday; S Rainbird; D Sims; S Mariani; Martin J Genner

doi:10.1002/lol2.10271

Reproduction influences seasonal eDNA variation in a temperate marine fish community

Rupert A Collins^*, C Baillie, N Halliday, S Rainbird, D Sims, S Mariani, Martin J Genner

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

Many factors influence how environmental DNA (eDNA) abundance varies in natural environments. One of the least studied contributors to eDNA variation is that of reproduction. Marine organisms that broadcast spawn are expected to shed increased quantities of DNA in association with the release of gametes and the elevated levels of activity associated with reproduction. To test this hypothesis at the community level, we present a year-long eDNA time-series of a temperate sea-shelf fish assemblage combined with adult fish and ichthyoplankton abundance data. Our results show that eDNA is associated with species abundance estimated by conventional fish surveys at all life stages (adult, larval, and egg), and was on average 2.3-fold more abundant during predicted fish reproductive periods.

Original language	English
Pages (from-to)	443-449
Number of pages	7
Journal	Limnology and Oceanography Letters
Volume	7
Issue number	5
DOIs	https://doi.org/10.1002/lol2.10271
Publication status	Published - 3 Aug 2022

Bibliographical note

Funding Information:
The authors would like to thank Aisling Smith and the captain and crew of the RV MBA at the Marine Biological Association for assistance in collecting the samples, and Chris Brodie for help in the lab. This work was supported by NERC Highlight Topic grant NE/N005937/1, NE/N005759/1 awarded to Martin J. Genner, Stefano Mariani, and David W. Sims. Sepia

Publisher Copyright:
© 2022 The Authors. Limnology and Oceanography Letters published by Wiley Periodicals LLC on behalf of Association for the Sciences of Limnology and Oceanography.

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10.1002/lol2.10271Licence: CC BY

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Final published version, 399 KBLicence: CC BY

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SeaDNA - Assessing marine biodiversity and structure using environmental DNA: from groundtruthing to ecosystem structuring
Genner, M. J. (Principal Investigator)
1/12/15 → 12/11/19
Project: Research

Cite this

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title = "Reproduction influences seasonal eDNA variation in a temperate marine fish community",

abstract = "Many factors influence how environmental DNA (eDNA) abundance varies in natural environments. One of the least studied contributors to eDNA variation is that of reproduction. Marine organisms that broadcast spawn are expected to shed increased quantities of DNA in association with the release of gametes and the elevated levels of activity associated with reproduction. To test this hypothesis at the community level, we present a year-long eDNA time-series of a temperate sea-shelf fish assemblage combined with adult fish and ichthyoplankton abundance data. Our results show that eDNA is associated with species abundance estimated by conventional fish surveys at all life stages (adult, larval, and egg), and was on average 2.3-fold more abundant during predicted fish reproductive periods. ",

author = "Collins, \{Rupert A\} and C Baillie and N Halliday and S Rainbird and D Sims and S Mariani and Genner, \{Martin J\}",

note = "Funding Information: The authors would like to thank Aisling Smith and the captain and crew of the RV MBA at the Marine Biological Association for assistance in collecting the samples, and Chris Brodie for help in the lab. This work was supported by NERC Highlight Topic grant NE/N005937/1, NE/N005759/1 awarded to Martin J. Genner, Stefano Mariani, and David W. Sims. Sepia Publisher Copyright: {\textcopyright} 2022 The Authors. Limnology and Oceanography Letters published by Wiley Periodicals LLC on behalf of Association for the Sciences of Limnology and Oceanography.",

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T1 - Reproduction influences seasonal eDNA variation in a temperate marine fish community

AU - Collins, Rupert A

AU - Baillie, C

AU - Halliday, N

AU - Rainbird, S

AU - Sims, D

AU - Mariani, S

AU - Genner, Martin J

N1 - Funding Information: The authors would like to thank Aisling Smith and the captain and crew of the RV MBA at the Marine Biological Association for assistance in collecting the samples, and Chris Brodie for help in the lab. This work was supported by NERC Highlight Topic grant NE/N005937/1, NE/N005759/1 awarded to Martin J. Genner, Stefano Mariani, and David W. Sims. Sepia Publisher Copyright: © 2022 The Authors. Limnology and Oceanography Letters published by Wiley Periodicals LLC on behalf of Association for the Sciences of Limnology and Oceanography.

PY - 2022/8/3

Y1 - 2022/8/3

N2 - Many factors influence how environmental DNA (eDNA) abundance varies in natural environments. One of the least studied contributors to eDNA variation is that of reproduction. Marine organisms that broadcast spawn are expected to shed increased quantities of DNA in association with the release of gametes and the elevated levels of activity associated with reproduction. To test this hypothesis at the community level, we present a year-long eDNA time-series of a temperate sea-shelf fish assemblage combined with adult fish and ichthyoplankton abundance data. Our results show that eDNA is associated with species abundance estimated by conventional fish surveys at all life stages (adult, larval, and egg), and was on average 2.3-fold more abundant during predicted fish reproductive periods.

AB - Many factors influence how environmental DNA (eDNA) abundance varies in natural environments. One of the least studied contributors to eDNA variation is that of reproduction. Marine organisms that broadcast spawn are expected to shed increased quantities of DNA in association with the release of gametes and the elevated levels of activity associated with reproduction. To test this hypothesis at the community level, we present a year-long eDNA time-series of a temperate sea-shelf fish assemblage combined with adult fish and ichthyoplankton abundance data. Our results show that eDNA is associated with species abundance estimated by conventional fish surveys at all life stages (adult, larval, and egg), and was on average 2.3-fold more abundant during predicted fish reproductive periods.

U2 - 10.1002/lol2.10271

DO - 10.1002/lol2.10271

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JO - Limnology and Oceanography Letters

JF - Limnology and Oceanography Letters

IS - 5

ER -

Reproduction influences seasonal eDNA variation in a temperate marine fish community

Abstract

Bibliographical note

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Projects

SeaDNA - Assessing marine biodiversity and structure using environmental DNA: from groundtruthing to ecosystem structuring

Cite this