Weddell Sea Observatory of Biodiversity and Ecosystem Change (WOBEC)
Published December 15, 2025 | Version v1
Technical note Open

WOBEC SOP RMT

Authors/Creators

  • 1. Wageningen Marine Research
  • 2. Institute of Natural Sciences
  • 3. KU Leuven
  • 4. ROR icon Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung

Contributors

Project leader:

  • 1. ROR icon Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung

Description

The Rectangular Midwater Trawl (RMT) is a net system used to sample plankton and macrozooplankton in the open water column. Its rectangular frame keeps the net mouth open during towing, enabling accurate and quantitative collection of midwater organisms such as krill, copepods, and small fish. RMTs can be towed at controlled depths and speeds from research vessels, producing reproducible samples for studies of biomass, population structure, and ecological dynamics.

Files

WOBEC_SOP_RMT_Flores-Schaafsma_v1.0.pdf

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