Blar i Cruises/Surveys 1948- (incomplete) på forfatter "Zhang, Guosong"
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Antarctic krill and ecosystem monitoring survey off the South Orkney Islands in 2023
Krafft, Bjørn Arne; Pedersen, Ronald; Zhang, Guosong; Menze, Sebastian; Rasmussen, Astrid Fuglseth; Skaar, Hege; Dale, Julian; Biuw, Martin; Oosthuisen, Chris; Lowther, Andrew (Toktrapport;2023 - 8, Research report, 2023)Environmental monitoring along 5 set transect lines off South Orkney Islands in the Southern Ocean have been carried out annually (since 2011) by the Institute of Marine Research, Norway. Data are used to calculate biomass ... -
Survey report: Developing methods for abundance estimation of bluefin tuna in Norwegian waters
Pena, Hector; Tenningen, Maria; Zhang, Guosong; Skaret, Georg (Toktrapport;2022 - 5, Research report, 2022)The major aim of this survey was to map and quantify distribution, school size and behaviour of Atlantic bluefin tuna (Thunnus thynnus) migrating to and feeding in Norwegian waters.The survey covered the region between ... -
Testing of trawl-acoustic stock estimation of spawning capelin 2021
Skaret, Georg; Pena, Hector; Totland, Atle; Zhang, Guosong; Hellenbrecht, Lea Marie; Karlson, Stine; Pedersen, Ronald; Tonheim, Susanne; Rist, Frøydis; Anthonypillai, Valentine (Toktrapport;2021 - 5, Research report, 2021)This report describes the third in a series of trawl-acoustic monitoring surveys of the spawning stock of capelin during the migration to the coast. The survey is a response to a proposal from the industry to evaluate the ... -
Testing of trawl-acoustic stock estimation of spawning capelin 2022
Skaret, Georg; Pena, Hector; Totland, Atle; Tenningen, Maria; Zhang, Guosong (Toktrapport;2022 - 4, Research report, 2022)This report describes the fourth in a series of trawl-acoustic monitoring surveys of the spawning stock of capelin during the migration to the coast. The survey is a response to a proposal from the industry to evaluate the ...