Artikler, rapporter og annet (Norges fiskerihøgskole): Recent submissions
Now showing items 281-300 of 1012
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Interesting Probiotic Bacteria Other Than the More Widely Used Lactic Acid Bacteria and Bacilli in Finfish
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-02)Growing demands stimulate the intensification of production and create the need for practices that are both economically viable and environmentally sustainable. As European Union banned the use of antibiotics in production in 2003, several alternative treatments have been suggested, including probiotics. The first probiotic study in aquaculture was published in 1986, and since then probiotics ... -
Willingness to pay for mangrove restoration to reduce the climate change impacts on ecotourism in Rekawa coastal wetland, Sri Lanka
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-05-03)This study investigates tourist preferences and willingness to pay (WTP) for restoration of mangroves to reduce the effects of climate change (CC) on ecotourism at Rekawa coastal wetland, Sri Lanka, using a double bounded discrete choice elicitation format in a contingent valuation method. The survey also included socio-economic, demographic, and attitudinal characteristics of respondents. The ... -
Evaluation of histological post-mortem changes in farmed Atlantic salmon (Salmo salar L.) at different time intervals and storage temperatures
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-29)The aim of this study was to evaluate histologic post-mortem autolytic changes in farmed Atlantic salmon. The fish were either stored at room temperature (RT, 21°C), refrigerated (4°C) or frozen (−20°C), while fish necropsy was performed at 0, 1, 4, 24 and 48 h post-storage (hps). In addition, gills were sampled at 0, 5, 10, 15, 30 and 45 min post-storage (mps) at room temperature (RT). The haematoxylin ... -
Influence of different cold storage temperatures during the Rigor mortis phase on fillet contraction and longer-term quality changes of Atlantic cod fillets
(Journal article; Tidsskriftartikkel; Peer reviewed, 2014-05-01)Pre rigor produced fillets of Atlantic cod become shorter and more firm than post rigor produced fillets. In pre rigor excised muscle from warm-blooded animals and warm-water adapted fish, cold shortening, extensive contraction during cold storage, is known to occur. The aim of the present work was to study if the extent of fillet shortening in Atlantic cod could be reduced by a slight temperature ... -
Recent warming causes functional borealization and diversity loss in deep fish communities east of Greenland
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-13)Aim: We assessed temporal trends in functional diversity of the deep-sea demersal fish communities of East Greenland to characterize ecological responses to rising sea temperatures.<p> <p>Location: The study region encompasses a shelf and slope area located offshore between 63°N and 66°N, east of Greenland. <p>Methods: A unique dataset of demersal fish abundance covering a depth range of 1500 m ... -
Mucin induces CRISPR-Cas defense in an opportunistic pathogen
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-25)Mucin induces CRISPR-Cas defense in an opportunistic pathogen -
Multidisciplinary perspectives on living marine resources in the Arctic
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-20)Many areas in the Arctic are vulnerable to the impacts of climate change. We observe large-scale effects on physical, biological, economic and social parameters, including ice cover, species distributions, economic activity and regional governance frameworks. Arctic living marine resources are affected in various ways. A holistic understanding of these effects requires a multidisciplinary enterprise. ... -
Effect of codend mesh sizes on the size selectivity and exploitation pattern of cocktail shrimp (Trachypenaeus curvirostris) in shrimp trawl fishery of the South China Sea
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-29)This study aims at improving fishery management by testing and comparing the size selectivity and exploitation pattern of diamond-mesh codends, with mesh sizes ranging from 25 to 54 mm, for cocktail shrimp (Trachypenaeus curvirostris) in the South China Sea (SCS). Beginning from 25 mm, the minimum mesh size regulated by the shrimp trawl fishery industry, we investigated how the mesh sizes of ... -
Effect of Codend Design and Postponed Bleeding on Hemoglobin in Cod Fillets Caught by Bottom Trawl in the Barents Sea Demersal Fishery
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-03)Previous studies have reported that cod caught using a newly developed dual sequential codend showed significant reduction in external catch-related damage compared to cod caught by a conventional codend. In this study, it was investigated whether this new codend affects residual blood in cod fillets and/or mitigates the effect of postponed bleeding. Residual blood was assessed by measuring ... -
Spatio-temporal turnover and drivers of bentho-demersal community and food web structure in a high-latitude marine ecosystem
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-14)Aim: Assess the spatial and temporal turnover of bentho-demersal marine fauna by integrating ecological metrics at the community and food web levels and evaluate their main environmental and anthropogenic drivers.<p> <p>Location: Barents Sea. <p>Method: We analysed data of benthic and bentho-pelagic fish and megabenthic invertebrates caught in the Barents Sea ecosystem survey in August–Septem ... -
Langt hjemmefra
(Journal article; Tidsskriftartikkel, 2022-04-06)Europa står i en krisesituasjon, med den største strømmen av mennesker på flukt siden andre verdenskrig, og kvinner og barn betaler som vanlig en høy pris. Men krig har brakt ukrainske kvinner til Norge før. -
Electronic monitoring trials on in the tropical tuna purse-seine fishery
(Journal article; Tidsskriftartikkel; Peer reviewed, 2014-12-17)The difficulty of ensuring adequate statistical coverage of whole fleets is a challenge for the implementation of observer programmes and may reduce the usefulness of the data they obtain for management purposes. This makes it necessary to find cost-effective alternatives. Electronic monitoring (EM) systems are being used in some fisheries as an alternative or a complement to human observers. The ... -
MyD88 interacts with interferon regulatory factor (IRF) 3 and IRF7 in Atlantic salmon (Salmo salar): transgenic SsMyD88 modulates the IRF-induced type I interferon response and accumulates in aggresomes
(Journal article; Tidsskriftartikkel; Peer reviewed, 2011-10-11)Background: MyD88 directly interacts and affects IRF activation in mammals, but no information has been available about lower vertebrates.<p> <p>Results: Transgenic MyD88 interacts with IRF3 and IRF7A/B and modulates the IRF-induced IFN response and accumulates in aggresomes in Atlantic salmon. <p>Conclusion: MyD88 is involved in the regulation of the IRF-induced IFN response in Atlantic ... -
Fungal Planet description sheets: 1383–1435
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-12)Novel species of fungi described in this study include those from various countries as follows: Australia, Agaricus albofoetidus, Agaricus aureoelephanti and Agaricus parviumbrus on soil, Fusarium ramsdenii from stem cankers of Araucaria cunninghamii, Keissleriella sporoboli from stem of Sporobolus natalensis, Leptosphaerulina queenslandica and Pestalotiopsis chiaroscuro from leaves of Sporobolus ... -
Livslang læring - fra slagord til reform
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-15)Livslang læring er det nye mantraet. Det dukket opp som et slagord for utdanningsreform på 1970-tallet og er i dag noe som alle tilsynelatende er enige om. Men livslang læring har ulike betydninger og begrunnelser. Veien fra slagord til reform har også vært lang. Denne artikkelen gir et tilbakeblikk på den sammensatte bruken av begrepet og oppsummerer de viktigste reformene som har vært gjennomført ... -
Lessons from bright-spots for advancing knowledge exchange at the interface of marine science and policy
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-19)Evidence-informed decision-making is in increasing demand given growing pressures on marine environments. A way to facilitate this is by knowledge exchange among marine scientists and decision-makers. While many barriers are reported in the literature, there are also examples whereby research has successfully informed marine decision-making (i.e., ‘bright-spots’). Here, we identify and analyze 25 ... -
Revising the Impact and Prospects of Activity and Ventilation Rate Bio-Loggers for Tracking Welfare and Fish-Environment Interactions in Salmonids and Mediterranean Farmed Fish
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-07)Behavioral parameters are reliable and useful operational welfare indicators that yield information on fish health and welfare status in aquaculture. However, aquatic environment is still constraining for some solutions based on underwater cameras or echo sounder transmitters. Thus, the use of bio-loggers internally or externally attached to sentinel fish emerges as a solution for fish welfare ... -
Benthic Biodiversity, Carbon Storage and the Potential for Increasing Negative Feedbacks on Climate Change in Shallow Waters of the Antarctic Peninsula
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-17)The importance of cold-water blue carbon as biological carbon pumps that sequester carbon into ocean sediments is now being realised. Most polar blue carbon research to date has focussed on deep water, yet the highest productivity is in the shallows. This study measured the functional biodiversity and carbon standing stock accumulated by shallow-water (<25 m) benthic assemblages on both hard and ... -
Diversity and Selection of Surface Marine Microbiomes in the Atlantic-Influenced Arctic
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-14)Serglycin is a proteoglycan highly expressed by immune cells, in which its functions are linked to storage, secretion, transport, and protection of chemokines, proteases, histamine, growth factors, and other bioactive molecules. In recent years, it has been demonstrated that serglycin is also expressed by several other cell types, such as endothelial cells, muscle cells, and multiple types of ... -
Fine-scale differences in eukaryotic communities inside and outside salmon aquaculture cages revealed by eDNA metabarcoding
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-26)Aquaculture impacts on marine benthic ecosystems are widely recognized and monitored. However, little is known about the community changes occurring in the water masses surrounding aquaculture sites. In the present study, we studied the eukaryotic communities inside and outside salmonid aquaculture cages through time to assess the community changes in the neighbouring waters of the farm. Water ...