Blar i NTNU Open på forfatter "Ringvold, Halldis"
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Hiding in plain sight - Euplokamis dunlapae (Ctenophora) in Norwegian waters
Majaneva, Sanna; Ringvold, Halldis; Johansen, Ellie; Østensen, Mari-Ann; Hosia, Aino Laila Johanna (Journal article; Peer reviewed, 2021)Cydippid ctenophores of genus Euplokamis have been rarely reported from the north-east Atlantic in the scientific literature. The conspicuous lack of previous records is likely attributable to methodological constraints ... -
In situ recordings of large gelatinous spheres from NE Atlantic, and the first genetic confirmation of egg mass of Illex coindetii (Vérany, 1839) (Cephalopoda, Mollusca)
Ringvold, Halldis; Taite, Morag; Allcock, A. Louise; Vecchione, Michael; Péan, Michel; Sandulli, Roberto; Johnsen, Geir; Fjellheim, Arne; Bakke, Snorre; Sannæs, Hanne; Synnes, Ann-Elin; Coronel, José; Hansen, Martin; Olejar, Peter; Eliassen, Geir; Eliassen, Anita; Klungland, Karl (Peer reviewed; Journal article, 2021)In total, 90 gelatinous spheres, averaging one meter in diameter, have been recorded from ~ 1985 to 2019 from the NE Atlantic Ocean, including the Mediterranean Sea, using citizen science. More than 50% had a dark streak ... -
Studies on Echinodermata from the NE Atlantic Ocean - Spatial distribution and abundance of Asteroidea, including taxonomic and molecular studies on Crossaster and Henricia genera - Value-chain results, including test fishery, biology, market and nutritional analysis on Parastichopus tremulus (Holothuroidea) from the Norwegian coast
Ringvold, Halldis (Doctoral theses at NTNU;2021:254, Doctoral thesis, 2021)The phylum Echinodermata represent a large part of the marine benthic ecosystem biomass (up to 90%), and are also important in determining habitat structure for other species, and maintaining high species diversity in the ...