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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.

2002

Sammendrag

Planting av fjelledelgran (Abies lasiocarpa) på ryddet skogsmark kan gi meget god etablering for plantene. Det viser resultater fra et radforsøk i Rogaland som Norsk institutt for skogforskning (Skogforsk) gjennomfører med 45 provenienser av fjelledelgran. Det var ikke behov for suppleringsplanting fordi hele 97,6 % av plantene etablerte seg. På skogsmark var det for øvrig også lite ugras som hadde hemmet plantene. Plantene på skogsmark etablerte seg bedre enn plantene i åtte andre forsøk, hvor det ble plantet på innmark, beite eller nydyrket mark. Imidlertid var det stor forskjell i både høydevekst og toppskader mellom proveniensene.

Sammendrag

Additive variation in adaptive traits is a prerequisite for selection and adaptation to future environmental changes, but distribution of adaptive genetic variability between and within populations is poorly known in most forest trees. Owing to this deficiency, life history traits such as geographic range, pollination vector and seed dispersal capability, which significantly affect gene flow and thus the distribution of genetic variability, were used to evaluate the genetic resources in 23 Norwegian native forest tree species. Based on the combination of life history traits the species\" genetic resources were classified either as viable, potentially vulnerable or vulnerable, assuming a decrease in within-population variability in this sequence. Twelve widely distributed species with generally effective dispersal of pollen and seeds were considered viable (Pinus sylvestris, Picea abies, Juniperus communis, Betula pubescens, B. pendula, Alnus incana, A. glutinosa, Salix caprea, Populus tremula, Corylus avellana, Sorbus aucuparia, Prunus padus) and have as such no particular conservation needs. Effective seed dispersal of these species, as inferred from post-glacial migration rates, may be partly responsible for their generally early post-glacial appearance, and may, in combination with the wide ranges and relatively large evolutionary potential, indicate that viable species are best able to cope with climatic change. Among species with restricted ranges and more limited gene flow eight were considered potentially vulnerable (Quercus petraea, Q. robur, Fraxinus excelsior, Acer platanoides, Taxus baccata, Ilex aquifolium, Fagus sylvatica, Ulmus glabra) and three were considered vulnerable (Tilia cordata, Malus sylvestris, P. avium). Application of different intensities of a multiple population breeding system (MPBS) is considered the most appropriate mode of conserving genetic resources in these species.

Sammendrag

I et sortsforsøk ved Planteforsk Njøs ble 20 sorter og seleksjoner vurdert på grunnlag av avling, bærkvalitet og flere vegetative karakterer i tre avlingsår. Sortene  "Glen Ample", "Glen Moy", "Hitra", "Stiora" og "Tambar" anbefales for dyrking for friskkonsum i Norge.

Sammendrag

Two games, called “Wood Supply Games”, are developed based on the structure and dynamics of the Beer Game. The games are intended as student exercises in forestry logistics courses. By introducing divergent and convergent flows in the supply chain, the relevance to the forest sector is increased. Results from pilot experiments of the games are presented and discussed in terms of how different degrees of complexity in supply chain structures may affect their efficiency. Measures of efficiency are accumulated costs, amplification of demand and the sample variance of order rates. Results indicate that supply chain performance is negatively affected by increasing rigidity of constraints at points of divergence. Furthermore, lower degrees of efficiency and predictability are observed as complexity of supply chain structure increases. Testing of results and proposed hypotheses can be accomplished by running numerous replications of the games, or alternatively, by development of appropriate simulation models.

Sammendrag

Rapporten beskriver fakta om biologisk avfallsbehandling. Den omfatter beskrivelse av mengder og regelverk, komposteringsteori og kompostering i praksis samt typisk bruk av kompost. Rapporten skal danne grunnlag for internettbaserte faktanotater og andre presentasjonsformer i NRF.