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\begin{document}

\title{Trade-offs between reducing complex terminology and producing accurate
interpretations from environmental DNA: Comment on ``Environmental DNA:
What's behind the term?'' by Pawlowski et al. (2020)}



\author[1]{Naiara Rodriguez-Ezpeleta}%
\author[2]{Olivier Morissette}%
\author[2]{Colin Bean}%
\author[3]{Shivakumara Manu}%
\author[2]{Pritam  Banerjee}%
\author[4]{Anais Lacoursiere}%
\author[2]{Kingsly Ben}%
\author[2]{Elizabeth Alter}%
\author[2]{Fabian Roger}%
\author[2]{Luke Holman}%
\author[5]{Kathryn Stewart}%
\author[6]{Michael Monaghan}%
\author[7]{Quentin Mauvisseau}%
\author[8]{Luca Mirimin}%
\author[9]{Owen S. Wangensteen}%
\author[10]{Caterina Antognazza}%
\author[11]{Sarah Helyar}%
\author[7]{Hugo de Boer}%
\author[12]{Marie-Eve Monchamp}%
\author[13]{Reindert Nijland}%
\author[14]{Cathryn Abbott}%
\author[15]{Hideyuki Doi}%
\author[16]{Matthew Barnes}%
\author[17]{Matthieu Leray}%
\author[18]{Pascal Hablützel}%
\author[19]{Kristy Deiner}%
\affil[1]{AZTI}%
\affil[2]{Affiliation not available}%
\affil[3]{Laboratory for the Conservation of Endangered Species, CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India}%
\affil[4]{Department of Fisheries and Oceans}%
\affil[5]{University of Amsterdam Faculty of Science}%
\affil[6]{Leibniz-Institute of Freshwater Ecology and Inland Fisheries}%
\affil[7]{University of Oslo}%
\affil[8]{GMIT}%
\affil[9]{University of Salford}%
\affil[10]{University of Insubria}%
\affil[11]{Queen\'s University Belfast}%
\affil[12]{McGill University}%
\affil[13]{Wageningen Universiteit en Research}%
\affil[14]{Fisheries and Oceans Canada}%
\affil[15]{University of Hyogo}%
\affil[16]{Texas Tech University}%
\affil[17]{Smithsonian Tropical Research Institute}%
\affil[18]{Flanders Marine Institute, Oostende, Belgium}%
\affil[19]{Eawag}%


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  \date{May 23, 2024}


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\begin{abstract}
In a recent paper, ``Environmental DNA: What's behind the term?
Clarifying the terminology and recommendations for its future use in
biomonitoring'', Pawlowski et al. argue that the term eDNA should be
used to refer to the pool of DNA isolated from environmental samples, as
opposed to only extra-organismal DNA from macro-organisms. We agree with
this view. However, we are concerned that their proposed two-level
terminology specifying sampling environment and targeted taxa is overly
simplistic and might hinder rather than improve clear communication
about environmental DNA and its use in biomonitoring. Not only is this
terminology based on categories that are often difficult to assign and
uninformative, but it ignores what is in our opinion the most important
distinction within eDNA: the type of DNA (organismal or
extra-organismal) from which ecological interpretations are derived.%
\end{abstract}%



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