Browsing Brage IMR by Author "Nielsen, Julius"
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Acoustic detection of the Greenland shark (Somniosus microcephalus) using multifrequency split beam echosounder in Svalbard waters
Ona, Egil; Nielsen, Julius (Peer reviewed; Journal article, 2022)The conservation status of the long-lived Greenland shark (Somniosus microcephalus) is unknown, and methods for non-invasively estimating local or regional abundances are wanted. Using a multifrequency split beam echosounder ... -
Validation of pop-up satellite archival tags (PSATs) on Atlantic cod (Gadus morhua) in a Greenland fjord
Nielsen, Julius; Estévez-Barcia, Daniel; Post, Søren; Christensen, Helle Torp; Retzel, Anja; Meire, Lorenz; Rigét, Frank; Strøm, John Frederik; Rikardsen, Audun H.; Hedeholm, Rasmus (Peer reviewed; Journal article, 2023)Traditional tagging techniques are simple and cost-effective, but inferences require recaptures and data on movement/migration are limited to a start and end position at unpredictable intervals. Pop-up satellite archival ...