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Novel Drop‐Sampler for Simultaneous Collection of Stereo‐Video, Environmental DNA and Oceanographic Data.

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Title: Novel Drop‐Sampler for Simultaneous Collection of Stereo‐Video, Environmental DNA and Oceanographic Data.
Authors: Thompson, Samuel1,2,3 (AUTHOR) samuel.thompson@curtin.edu.au, Jarman, Simon1,2,3 (AUTHOR), Griffin, Kingsley1,2 (AUTHOR), Spencer, Claude1,2 (AUTHOR), Cummins, Gabrielle1,2 (AUTHOR), Partridge, Julian1,2 (AUTHOR), Langlois, Tim1,2 (AUTHOR)
Source: Ecology & Evolution (20457758). Dec2024, Vol. 14 Issue 12, p1-13. 13p.
Subject Terms: *Biotic communities, *Fish ecology, *Water sampling, Marine biology, Numbers of species
Abstract: There is an increasing interest in environmental DNA (eDNA) as a method to survey marine biota, enhancing traditional survey methods, and a need to ground truth eDNA‐based interpretations with visual surveys to understand biases in both the eDNA and visual datasets. We designed and tested a rapidly deployable, robust method pairing water sampling for eDNA collection and stereo‐video imagery, comparing inferred fish assemblages with interspersed baited remote underwater video (stereo‐BRUV) samples. The system is capable of rapidly collecting simultaneous wide‐field stereo‐video imagery, oceanographic measurements and multiple water samples across a range of habitats and depths (up to 600 m). A platform demonstration was conducted in a no‐take National Park Zone of the Ningaloo Marine Park, Western Australia, with samples being collected whilst the system is resting on the seafloor. Combining simultaneous visual survey data with eDNA species estimates increased the total diversity of the fish assemblage by ca. 6.5% over eDNA estimates alone, whilst the analysis of the assemblage composition sampled by each method revealed significant differences. The platform demonstration highlights the biases of each sampling method and their complementarity to one another. We suggest that these biases will be better understood by advancements that allow eDNA metabarcoding to discriminate the abundance and life stage of marine biota. Furthermore, investigation of the relationship between eDNA metabarcoding data and concomitant imagery‐derived length, age and habitat data is needed. [ABSTRACT FROM AUTHOR]
Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Novel Drop‐Sampler for Simultaneous Collection of Stereo‐Video, Environmental DNA and Oceanographic Data.
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  Data: <searchLink fieldCode="AR" term="%22Thompson%2C+Samuel%22">Thompson, Samuel</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> samuel.thompson@curtin.edu.au</i><br /><searchLink fieldCode="AR" term="%22Jarman%2C+Simon%22">Jarman, Simon</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Griffin%2C+Kingsley%22">Griffin, Kingsley</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Spencer%2C+Claude%22">Spencer, Claude</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cummins%2C+Gabrielle%22">Cummins, Gabrielle</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Partridge%2C+Julian%22">Partridge, Julian</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Langlois%2C+Tim%22">Langlois, Tim</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Ecology+%26+Evolution+%2820457758%29%22">Ecology & Evolution (20457758)</searchLink>. Dec2024, Vol. 14 Issue 12, p1-13. 13p.
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  Data: *<searchLink fieldCode="DE" term="%22Biotic+communities%22">Biotic communities</searchLink><br />*<searchLink fieldCode="DE" term="%22Fish+ecology%22">Fish ecology</searchLink><br />*<searchLink fieldCode="DE" term="%22Water+sampling%22">Water sampling</searchLink><br /><searchLink fieldCode="DE" term="%22Marine+biology%22">Marine biology</searchLink><br /><searchLink fieldCode="DE" term="%22Numbers+of+species%22">Numbers of species</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: There is an increasing interest in environmental DNA (eDNA) as a method to survey marine biota, enhancing traditional survey methods, and a need to ground truth eDNA‐based interpretations with visual surveys to understand biases in both the eDNA and visual datasets. We designed and tested a rapidly deployable, robust method pairing water sampling for eDNA collection and stereo‐video imagery, comparing inferred fish assemblages with interspersed baited remote underwater video (stereo‐BRUV) samples. The system is capable of rapidly collecting simultaneous wide‐field stereo‐video imagery, oceanographic measurements and multiple water samples across a range of habitats and depths (up to 600 m). A platform demonstration was conducted in a no‐take National Park Zone of the Ningaloo Marine Park, Western Australia, with samples being collected whilst the system is resting on the seafloor. Combining simultaneous visual survey data with eDNA species estimates increased the total diversity of the fish assemblage by ca. 6.5% over eDNA estimates alone, whilst the analysis of the assemblage composition sampled by each method revealed significant differences. The platform demonstration highlights the biases of each sampling method and their complementarity to one another. We suggest that these biases will be better understood by advancements that allow eDNA metabarcoding to discriminate the abundance and life stage of marine biota. Furthermore, investigation of the relationship between eDNA metabarcoding data and concomitant imagery‐derived length, age and habitat data is needed. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=8gh&AN=181921183
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        Value: 10.1002/ece3.70705
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      – Code: eng
        Text: English
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        PageCount: 13
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      – SubjectFull: Biotic communities
        Type: general
      – SubjectFull: Fish ecology
        Type: general
      – SubjectFull: Water sampling
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      – SubjectFull: Marine biology
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      – SubjectFull: Numbers of species
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    Titles:
      – TitleFull: Novel Drop‐Sampler for Simultaneous Collection of Stereo‐Video, Environmental DNA and Oceanographic Data.
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            NameFull: Thompson, Samuel
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              M: 12
              Text: Dec2024
              Type: published
              Y: 2024
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