- Home
- About Virtue
- Get started!
- Observations
- Species
- News archive
- For the Teacher
- How to build a VIRTUE rack
- Deploy and retrieve the racks
- Examine the discs
- Teaching Resources
- Neat accessories and hacks
- VIRTUE discs - what to investigate?
- 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