Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2011
Forfattere
Jack D´Arcy E. Dunaevskaya Richard Fitzgerald Jim W. Treasurer Oddvar Ottesen Julie Maguire Celine Rebours Nina Zhuravleva Åsbjørn KarlsenSammendrag
The use of wrasse (F. Labridae) as biological cleaner-fish in the control of salmon lice has been demonstrated in a number of studies and they are successfully used on a large scale, with over two million wrasse being caught and stocked annually, in commercial salmon farms in Norway. Increasingly, efforts are being made to produce commercial stocks of wrasse for use on farms and an EU Northern Periphery Project entitled "Ecofish" has been established to develop the technologies for spawning and rearing the most promising cleaner fish, ballan wrasse, in captivity with dedicated production hatcheries will be established in Ireland, Norway and Scotland. This project will also look into the management of ballan wrasse in salmon cages in order to achieve the effective removal of lice. As part of the Ecofish work programme, this study examined the embryonic development of Ballan wrasse using material from a series of spawnings in Ireland and Norway. The overall development from fertilization to hatch was monitored and recorded and a standardized series of developmental stages are assigned, from zygote through cleavage, blastulation, gastrulation, segmentation to hatching: each with specific morphological landmarks. This standardization and the synchronization of the developmental stages will facilitate future studies with the species as we may be better able to compare the development rate of different geographic stocks and under different environmental conditions. The developing embryo was also staged at three different incubation temperatures; 10.5oC, 12.9 oC, and 16.5 oC with 50% hatched occurring at 171, 121 ands 96 hours post fertilisation respectively.
Forfattere
G. Certain O. Skarpaas J. Bjerke E. Fremstad M. Lindholm J.E. Nielsen Ann Norderhaug E. Oug H.C. Perdersen A.K. Schartau K.O. Storaunet G. Van der Meeren I. Aslaksen S. Engen P.A. Garnåsjordet P. Kvaløy M. Lillegård G. Yoccoz, S. NybøSammendrag
Certain, G., Skarpaas, O., Bjerke, J., Framstad, E., Lindholm, M., Nielse,n J.E., Norderhaug, A., Oug E., Perdersen, H.C., Schartau, A.K., Storaunet KO3, Van der Meeren, G., Aslaksen, I., Engen, S., Garnåsjordet, P.A., Kvaløy, P., Lillegård, M., Yoccoz, G. & Nybø, S. 2010. The nature Index: A general framework to synthetize knowledge on the state of biodiversity. PLoS Biology.
Forfattere
AnneLise Chapman Kjell Inge Reitan Celine Rebours Øyvind StrandSammendrag
Integrated multi-trophic aquaculture (IMTA) is a strategy to utilize all resources in an aquaculture system (i.e. primarily fish farms in Norway) in a holistic manner. In Norway, farmed salmon is fed on high-quality fish feed, mainly based on wild catches. Therefore, optimizing the utilization of this type of primary resource is economically, ecologically and socially sensible. To develop relevant IMTA systems in Norway, new species should be integrated into sea-based farming of salmon, thereby providing a method for re-cycling nutrients in the culture system while ameliorating potential environmental problems. Inorganic nutrients from fish farms can be taken up by primary producers such as seaweeds (Neori et al. 2004). In addition to nutrients, seaweeds also assimilate CO2 from surrounding waters, thus producing oxygen. Through both mechanisms - excess nutrient assimilation and oxygen production - seaweed farming will improve the water quality of the locality. Organic particles originating from the fish farm (e.g. from faeces or excess fish feed) can be cleared from the water by filter-feeding organisms such as bivalves. In addition, deposit feeding species (e.g. holothurians or other echinoderms) could be added to an IMTA system to re-cycle particles deposited under the farms at the sea floor. However, the placement and design of integrated farming systems requires an understanding of the transport and distribution of nutrients and particles in the marine system. Co-location of farms may lead to water transport reduction from frictional forces, and consumption of compounds vital for the farmed organisms (e.g. nutrients and oxygen) may cause depletion that affects the production capacity of the farm (Aure et al. 2007). Any reduction in water transport due to "shading" and consequently potential production losses need to be considered when addressing the benefits gained from IMTA. IMTA systems will contribute to our ecological understanding in the planning process of aquaculture operations and increased sustainability of the aquaculture industry as a whole. This is important for the continued development of the aquaculture industry in Norway.
Sammendrag
I juli 2010 ble bakteriekreft funnet på hestekastanje (Aesculus hippocastanum) i Rogaland. Sykdommen skyldes Pseudomonas syringae pv. aesculi. Bakterien er isolert fra hestekastanje i en rekke Europeiske land. Angrep fører til visning i kronen og blødende sår på stamme og grener. I alvorlige tilfeller dør trærne.
Forfattere
Juliana Irina Spies Perminow Arild Sletten May Bente BrurbergSammendrag
En ny bakteriesykdom, som fører til ødeleggende bladflekker og bladfall, er blitt påvist på planter av julestjerne fra et større norsk gartneri. Påvisningen av Xanthomonas axonopodis pv. poinsettiicola er etter vår viten den første i Norge.
Forfattere
Juliana Irina Spies PerminowSammendrag
Dickeya solani, en ny, aggressiv stengelråteorganisme er på fremmarsj i Europa. Bakteriepopulasjoner i potet er i forandring og nye, høyvirulente skadegjørere dukker opp. Dickeya solani holdes nå ansvarlig for majoriteten av stengelråtetilfellene i Nord Europa. Bakterien sprer seg raskt, men har hittil ikke blitt påvist i Norge. Risikoen for introduksjon øker med hver gang det settes importert materiale her i landet.
Forfattere
Trygve S. AamlidSammendrag
Foredraget tar for bygg elller vårhvete som dekkvekst, samt såmender og gjødsling ved gjenlegg av kløverfrøeng.
Forfattere
Agnethe Christiansen Juliana Irina Spies Perminow Arild Sletten Agnethe Christiansen Inger-Lise Wetlesen AkselsenSammendrag
Sykdommen lys ringråte på potet har en lang historie her i landet. Bioforsk Plantehelse har arbeidet med påvisning av karanteneskadegjøreren nesten like lenge og har i 2009 blitt akkreditert for denne testingen. Dette er første område innen biologiske analyser ved Bioforsk Plantehelse som er akkreditert.
Forfattere
jihong liu clarke Even Sannes Riiser Ingrid Holtsmark Sonja Klemsdal Sadhu Leelavathi Andreas Lössl Vanga S. Reddy Nagothu U. Sekhar Hege Særvold Steen Sathyamangalam Swaminathan Rebekka ØvstegårdSammendrag
Dengue viruses (Flavivirus) are mosquito-borne human pathogens with a worldwide prevalence. There are four antigenically-related dengue virus serotypes, DEN-1 to DEN-4, which cause serious problems of morbidity and mortality. Dengue is emerging rapidly as one of the most important public health problems in countries of the Asia-Pacific region with nearly 1.8 billion people in the region at risk, compared to an estimated total of 2.5 billion globally (WHO 2009). The disease has resulted in widespread social and economic problems, especially among the poor, who are the most vulnerable group. There is currently no vaccine to prevent dengue virus infection making it difficult to control and manage the disease, although considerable efforts have been made, including vector control, sanctions, law enforcement and public education (www.who.int). A DEN vaccine must be tetravalent, as immunity to a single serotype does not offer cross-protection against the other serotypes the yeast Pichia pastoris. In this study, we aim to develop a similar envelope domain III (EDIII)-based chimeric antigen which elicits neutralizing antibodies against all four DEN serotypes. The antigen will be expressed in tobacco chloroplasts, aiming for a cost-effective and safe production system by joint efforts of Indo-Norwegian bilateral collaboration.
Forfattere
Merete Wiken DeesSammendrag
Det er ikke registrert sammendrag