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  • June 26, 2024

The BIOcean5D Handbook of Protocols

A BIOcean5D project deliverable: the suite of technologies and protocols we use to measure and understand life in, above and beneath the waves, down to the seafloor.
Credit: Alexis Gilli - Fondation Tara Océan

Through BIOcean5D, we hope to understand how marine life changes across 5 dimensions: 3-dimensional space, time, and human impact. Central to achieving our goals is a one-of-a-kind set of samples and data, collected from across Europe’s coastline and land-sea interface.

Collecting these samples is a mammoth task, coordinated with the TREC expedition – a cooperation between EMBL, the Tara Ocean Foundation, the EMBRC and 90+ partners. 

We’re pleased to share our first deliverable from work package 1 and 2: The BIOcean5D Handbook of Sampling and Protocols. In it, we detail all the sampling strategies and protocols, and the standards and best practices we use to collect, process and store the marine samples within our project. 

This handbook combines the expertise of the Tara Ocean Foundation and EMBL and is one of the most complete guides to sampling marine coastal ecosystems – across taxonomy and biological organisation, with state-of-the-art protocols for metagenomics, metabarcoding, metatranscriptomics, metaproteomics, metabolomics, chemical profiling and environmental sensing, as well as eDNA and bioacoustics analysis.

Find the handbook here
Find out more about our other deliverables here

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TREC Symposium 2025

Presentations by BIOcean5D colleagues at the EMBL TREC Symposium 2025 showcased how the expedition’s one-of-a-kind dataset is helping to advance our understanding of marine biodiversity across space, time and human impact.

Capturing diversity through traits

A recent BIOcean5D publication describes a novel approach to better capture plankton diversity in biogeochemical (BGC) models – an important step towards more accurate and realistic simulations of ocean ecosystems.

Blue Carbon at COP30: Navigating Potential and Risk

As global leaders gather at COP30 to confront the climate crisis, a new policy brief by BIOcean5D, BlueRemediomics and the Tara Ocean Foundation highlights the potential and risks of ocean carbon sequestration, urging caution and emphasising the need to prioritise direct emission reductions.

Swimming against the current: highlighting the value of plankton services for marine conservation

Recently published BIOcean5D research highlights the understudied value of plankton, their ecosystem services and disservices, and the importance of integrating this knowledge into marine policy.

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The BIOcean5D Handbook of Protocols

This website is co-funded by the European Union (GA#101059915). Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union. Neither the European Union nor the granting authority can be held responsible for them.

This work is supported by the UK government Horizon Europe Guarantee, UKRI Grant Reference Number 10039266.

This work has received funding from the Swiss State Secretariat for Education, Research and Innovation (SERl) under contract #22.00255.

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