Zoals al vaker geschreven doen we ook andere onderzoeken dan alleen de BTS wanneer we aan boord zijn. Afgelopen maandagavond deden we een trek van een uur om schollen te verzamelen voor onze collega's in het kader van het Joint Assessment Monitoring Programme voor contaminanten (vieze stoffen). Zie Beam Trawl Survey: Ander onderzoek aan boord//Other research on board
As written before, we also do other research on board during the BTS. Last Monday, we trawled for an hour to collect plaice for the Joint Assessment Programme on contaminants in marine fish. Our colleagues will analyse the fish. See also Beam Trawl Survey: Ander onderzoek aan boord//Other research on board
De planktonimager // The plankton imager |
Since 2024 we also collect information on zooplankton, very small animals that live in the water column. When we have to collect those with a net, the workload would be too high to do this during the BTS. Last year though, a plankonimager was installed on board Tridens, which creates pictures of zoöplankton in a water flow. The only thing we have to do is to open the water flow, and to turn on the planktonimager and the computer. We then collect information continuously while at sea. When we are back in port, we hand over the disk with data to our colleagues ashore, who will take care of it.
Visualisatie van de foto's die continu gemaakt worden //
Visualisation of the continuous stream of pictures
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