Blar i Rapport fra havforskningen (2007- ) på forfatter "Dempster, Tim"
-
Detecting and tracing farmed salmon with natural geo-element otolith ‘fingerprint’ tags: developing and validating tag delivery techniques
Hansen, Tom; Fjelldal, Per-Gunnar; Myers, Fletcher Warren; Swearer, Steve; Dempster, Tim (Rapport fra Havforskningen;11-2015, Research report, 2015-04)Farmed fish escape and enter the environment with possible effects on wild populations. Attempts to reduce the incidence of escape could be assisted if individuals can be traced back to the point of escape, so that escape ... -
In situ sea lice egg sterilization with UVC light
Bui, Samantha; Oppedal, Frode; Barrett, Luke; Dempster, Tim; Pert, Cassie (Rapport fra havforskningen;2019 - 29, Research report, 2019)Sea-cage salmon farming creates ideal conditions for population growth of the salmon louse Lepeophtheirus salmonis, potentially leading to poor welfare and mortality in farmed salmon and nearby wild salmonids. Frequent ... -
Snorkelmerd: Produksjonseffektivitet, adferd og velferd. Sluttrapport FHF-prosjekt 900884
Oppedal, Frode; Dempster, Tim; Stien, Lars Helge (Rapport fra Havforskningen;9-2016, Research report, 2016-02)English: The snorkel cage creates a mismatch between the salmon lice infestative larvae stage and the salmon, thus minimizing infestations. The snorkel cages comprise a roof of net to keep the fish down, but with a tarpaulin ...