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Related Concept Videos

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The deep ocean and its underlying sediments represent vast, largely unexplored microbial habitats that extend far beyond the sunlit photic zone. The photic (euphotic) zone typically spans the upper ~100–200 meters of pelagic waters in the open ocean, but its depth varies geographically and seasonally, where sufficient light supports photosynthetic life. Below this lies the deep sea, spanning roughly 1000–6000 meters (bathypelagic to abyssal zones), with deeper hadal trenches...
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Appropriate sampling methods ensure that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population.
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Updated: Apr 8, 2026

The Floating Lab: Standard Operational Procedure for Collecting and Filtering Seawater Samples from Operating Ferries for Environmental DNA Analysis
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The ocean sampling day consortium.

Anna Kopf1, Mesude Bicak2, Renzo Kottmann3

  • 1Max Planck Institute for Marine Microbiology, Celsiusstrasse 1, D-28359 Bremen, Germany ; Jacobs University Bremen gGmbH, Campus Ring 1, D-28759 Bremen, Germany.

Gigascience
|June 23, 2015
PubMed
Summary
This summary is machine-generated.

Ocean Sampling Day is a global initiative to capture marine microbial biodiversity and function. This coordinated effort aims to create the largest standardized microbial dataset in a single day.

Keywords:
BacteriaBiodiversityGenomicsHealth IndexMarineMetagenomicsMicro B3MicroorganismOSDOcean sampling dayStandards

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Area of Science:

  • Marine microbiology
  • Bioinformatics
  • Biotechnology

Background:

  • The EU-funded Micro B3 project initiated Ocean Sampling Day.
  • A global mega-sequencing campaign to snapshot marine microbial biodiversity and function.
  • Requires coordinated efforts from a consortium and supportive networks.

Purpose of the Study:

  • Establish the Ocean Sampling Day Consortium.
  • Outline the consortium's function and aims.
  • Describe a vision for sustainable study of marine microbial communities.

Main Methods:

  • Simultaneous global mega-sequencing campaign.
  • Standardized data generation.
  • Coordinated efforts between multiple international sites.

Main Results:

  • Not applicable for this commentary-focused abstract.
  • Focuses on the establishment and aims of the consortium.
  • Outlines the vision for future research.

Conclusions:

  • The Ocean Sampling Day Consortium is crucial for a global, standardized approach.
  • Coordination and partnerships are key to success.
  • A sustainable study of marine microbial communities is envisioned.