Sten Ivar Siikavuopio

ORCID: 0000-0003-2481-8870
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About
Contact & Profiles
Research Areas
  • Aquaculture Nutrition and Growth
  • Fish Ecology and Management Studies
  • Marine Bivalve and Aquaculture Studies
  • Crustacean biology and ecology
  • Marine and fisheries research
  • Marine and coastal plant biology
  • Ocean Acidification Effects and Responses
  • Physiological and biochemical adaptations
  • Reproductive biology and impacts on aquatic species
  • Fish Biology and Ecology Studies
  • Neurobiology and Insect Physiology Research
  • Insect Utilization and Effects
  • Meat and Animal Product Quality
  • Coral and Marine Ecosystems Studies
  • Echinoderm biology and ecology
  • Coastal and Marine Management
  • Parasite Biology and Host Interactions
  • Fish biology, ecology, and behavior
  • Aquaculture disease management and microbiota
  • Food Industry and Aquatic Biology
  • Education, Healthcare and Sociology Research
  • Protein Hydrolysis and Bioactive Peptides
  • Social and Educational Sciences
  • Environmental Toxicology and Ecotoxicology
  • Animal Ecology and Behavior Studies

Nofima
2015-2024

Nofi Tromsø (Norway)
2012-2014

Fafo Foundation
2012

Institute of Fisheries and Aquaculture
2007

Tromsø research foundation
2007

UiT The Arctic University of Norway
1993

Better knowledge of food search behaviour in fish is essential for studies that aim to improve longline fishing, particularly through bait development. This review provides an overview our understanding how detect and locate sources odour, focusing on the stimuli sensory modalities involved, factors affect feeding activity. Studies identify attractants efforts develop alternative baits are presented. The reveals such few number, date there no alternatives traditional commercial longlining...

10.1007/s11160-014-9360-z article EN cc-by Reviews in Fish Biology and Fisheries 2014-06-13

Alternating periods of food deprivation with those unlimited provision depressed the growth Arctic charr, Salvelinus alpinus , below that controls. Fish were deprived and then fed on alternate weeks (1:1) larger than exposed to 1 5‐ or 3‐week feeding (1·5:1·5 3:3). On receiving excess supplies following 24 restricted regimes previously‐restricted fish grew more rapidly The greatest compensatory was displayed after 3:3 regime, followed by 1·5: 1·5 1:1 regime. At termination experiment there...

10.1111/j.1095-8649.1993.tb00576.x article EN Journal of Fish Biology 1993-09-01

Red king crab and snow have both become important species for the Norwegian seafood industry. Since first commercial harvest of red in 2002 2012, industry has developed new technology knowledge handling these species. This includes fishing gear, conditions live storage processing, by-products, entrance into markets. The total quota increased from 220 metric tons to 2350 2017, with a free-red harvesting zone west quota-regulated area prevent further expansion crab. At present, there is no...

10.1080/23308249.2017.1335284 article EN cc-by Reviews in Fisheries Science & Aquaculture 2017-06-16

Abstract Aim A focal task for invasion biology is to identify the environmental variables and biological traits that set underpin realised potential habitats of invasive species. Ecophysiology provides powerful empirical knowledge connects theory with natural phenomena may improve accuracy species distribution modelling. We used introduced Kamchatka red king crab Paralithodes camtschaticus Barents Sea as a prime case show how thermal behaviour drive spreading marine invader in context ocean...

10.1111/ddi.12321 article EN other-oa Diversity and Distributions 2015-02-18

Mildly cooked snow crab clusters were subjected to three freezing methods (in brine, in still air, and circulating air), two frozen storage times (72 h 6 months), thawing air water) followed by refrigerated storage. The evaluated for weight changes during freezing, as well drip loss melanosis the Both method time significantly affected (P < 0.001) 0.015), likely due differences protein denaturation crystallization phenomena related rates of thawing. Freezing brine allowed least process...

10.1016/j.lwt.2020.109103 article EN cc-by LWT 2020-01-29

The current study investigates whether it is possible to increase the meat content of captive male king crab (Paralithodes camtschaticus) (average = 2.2 kg) by feeding manufactured diets at different temperatures (4°C, 8°C and 12°C). A 110 days trial was undertaken with groups crabs held in 12 land-based holding tanks. All survival lowest temperature treatment, one animal died medium-temperature group (8°C) four animals highest treatment (12°C). results showed that feed intake increased...

10.1111/are.12207 article EN Aquaculture Research 2013-05-23

Live transport of red king crab from the fishing grounds to market is an activity that increasing and future sustainability this practice depends on maintaining optimal animal welfare during transport. The current study evaluated physiological response (Paralithodes camtschaticus) live air transport, mimicking commercial practices. Specifically, assessed stress osmoregulatory haemolymph metabolite variation, together with free amino acids (FAAs) pool variation in crab. Forty male crabs (2136...

10.1016/j.fishres.2021.105882 article EN cc-by Fisheries Research 2021-01-29

During a 2018 retrieval cruise for abandoned snow crab (Chionoecetes opilio) pots in the Barents Sea, approximately 8600 1.5 years earlier were recovered. Forty-three percent of subsample 1000 contained crabs, with an average three crabs per pot. Most alive (~98%) and dominated by large males. Pinch injuries limb loss common tended to decline increasing size. Reflex testing showed that vital (i.e. moved their legs, chelipeds maxillipeds when stimulated), which was supported relatively high...

10.1016/j.marpolbul.2021.113001 article EN cc-by Marine Pollution Bulletin 2021-10-07
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