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Reproducible analysis of of eDNA for national biodiversity monitoring programs

Environmental monitoring is an essential part of safeguarding the sustainable use of natural resources, but current methods for identification and monitoring of biodiversity are often time-consuming. This project will describes the technological solutions available for performing reproducible identification and monitoring of biodiversity, using eDNA technology.

Environmental monitoring is an essential part of safeguarding the sustainable use of natural resources. Current methods for identification and monitoring of biodiversity, especially analysis of microorganisms, involve time-consuming and expensive microscopy analyses performed by specialists, and are frequently a bottleneck in the analysis chain from sampling to data analysis and environmental status evaluation. Consequently, many environments cannot be monitored with the temporal and spatial resolution desired.

Environmental DNA (eDNA) analysis has proven to be a powerful tool for biodiversity assessment and identification of a broad range of organism groups in a variety of different environments. Technological advances in DNA sequencing technology have made eDNA methods viable for analysis of biological diversity on a large scale. However, for this emerging technology to reach its full potential, issues concerning reproducibility of the results, as well as comparability of results over time, need to be addressed.

Many of the problems faced by biodiversity researchers using computational methods and big data are similar to problems identified in other areas, such as software development and cloud computing. To that end, this project will compile a synthesis of literature that describes the technological solutions available for performing reproducible identification and monitoring of biodiversity, using eDNA technology.

A reproducible approach to analysing this type of data will enable data sources of different origin and quality to be combined and analysed together, even as new technologies develop, thereby enabling comparison of results across for example long time series suitable for national monitoring programs. Through this synthesis we will identify reproducibility problems faced in eDNA analyses, highlight how these problems are currently being handled, and discuss the potential for knowledge transfer from adjacent fields using big data.

Facts about project

  • Project name: Reproducible analysis of of eDNA for national biodiversity monitoring programs
  • Funding:The Swedish Environmental Protection Agency (miljöforskningsanslag i samarbete med Havs- och vattenmyndigheten i alla relevanta sammanhang)
  • Budget: 500 000 SEK
  • Project partners: The University of Gothenburg
  • Period: 2022 - 2022

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Last updated: 2022-01-12

IVL Swedish Environmental Research Institute

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IVL Swedish Environmental Research Institute has a wide environmental profile. We combine applied research and development with close collaboration between industry and the public sphere. Our consultancy is evidence-based, and our research is characterized by interdisciplinary science and system thinking.

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