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  • Observations
    • Observations Species
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  • Species
    • Fresh Water Species
    • Saltwater Species
      • Leaf algae
      • Filamentous algae
      • Sea anemones (Actiniaria)
      • Marine bristle worms (Polychaeta)
      • Snails (Gastropoda)
      • Clams, mussels (Bivalvia)
      • Barnacles (Balanidae)
      • Amphipods (Amphipoda)
      • Decapods (Decapoda)
      • Moss animals (Bryozoa)
      • Sea Stars (Asteroidea)
      • Sea squirts (Tunicata)
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    • How to build a VIRTUE rack
    • Deploy and retrieve the racks
    • Examine the discs
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      • Species identification plates
        • Identification plates by feeding strategies
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        • Identification plates with QR codes
      • Quantification / Analysis
        • Visual estimation of percentage cover
        • Counting organisms in photographs with ImageJ (Fiji)
        • Biodiversity calculations
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            • Let's Calculate Biodiversity
            • You're the Expert - Analyze Your Data
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    • Sea water parameters
      • Introduction to water investigations
      • Water sampling and handling of water samples
      • Report and diagrams
      • Salinity and conductivity
      • Composition of sea water
      • Light
      • Secchi depth ("visual depth")
      • Colour and yellowing substance
      • Turbidity (Cloudiness)
      • Temperature
      • Sea water in constant motion. Effects of currents, tides and waves.
      • Phyto- and zooplankton
    • Photo and Microscopy for VIRTUE-s projects
    • Video production as a learning tool
    • Understanding what we see. About image and VIRTUE
    • Short video lessons on biofilms and biodiversity
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Introduction

Goals and objectives
for this project

Join us!

Collect

How to do it?
What do I need?

Read more here.

Documentation

Report your findings in our database!
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News

2022-11-29

49 countries now represented in VIRTUE

2022-05-11

VIRTUE celebrates its 25th anniversary this year!

2021-12-15

Tell your story in the Marine Diaries

2021-02-08

Top marks for the VIRTUE-s project

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LATEST OBSERVATIONS

Date Species Coverage Quantity Report
2021-10-07 Märlkräftor 1 Vejbystrand oktober 2021
2020-10-07 Märlkräfta (Amphipoda) 40 Biologisk mångfald rack 1 ovansida 1
2020-10-07 Märlkräftor (Amphipoda) 30 Biologisk mångfald rack 1 ovansida 2
2020-10-07 Havstulpaner 40 % 90 Biologisk mångfald rack 1 undersida 1
2020-10-07 Musslor (Bivalvia) 45 Biologisk mångfald rack 1 ovansida 3
2020-10-07 Musslor (Bivalvia) 140 Biologisk mångfald rack 1 undersida 2
2020-10-07 Märlkräfta (Amphipoda) 60 Biologisk mångfald rack 1 undersida 1
2020-10-07 Havstulpaner 30 % 70 Biologisk mångfald rack 1 ovansida 3

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Contact: virtue@gmbl.se