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.
2007
Forfattere
Thomas Holm CarlsenSammendrag
Det er ikke registrert sammendrag
Forfattere
Tatsiana EspevigSammendrag
Ежегодно реализация семян злаковых трав для газонных насаждений в пяти странах Скандинавии составляет 6 тыс. тонн. В настоящее время на рынке Северной Европы доступно в продаже около 200 различных сортов 15-ти видов и подвидов злаковых трав, используемых для озеленения. Настоящий каталог основан на научном исследовании «Оценка сортов полевицы (Agrostis) и овсяницы (Festuca) для использования на полях для гольфа в условиях грина в Скандинавии (2003-2007)», а также на результатах почти 20-летнего скандинавского официального сортоиспытания злаковых трав для газонов различного типа. В каталоге приводится подробное описание сортов, которые находились в сортоиспытании, а также даются независимые и конкретные рекомендации по выбору тех или иных видов и сортов для использования на гринах, фейрвеях/ти, домашних газонах, футбольных полях и газонах специального назначения. Рекомендиции даются для 2 климатических зон, а именно для южной/прибрежной климатической зоны (зона 1), которая охватывает Данию, южную Швецию и прибрежные регионы южной и западной Норвегии, а также для северной/континентальной климатической зоны (зона 2), которая включает в себя Финляндию, среднюю и северную часть Швеции, среднюю и северную часть Норвегии, внутреннюю часть южной Норвегии и Исландию. «Скандинавский каталог сортов газонных трав, 2007» финансируется Скандинавским фондом исcледований в области дерновых трав и окружающей среды (STERF) и планируется пересматриваться и дополняться каждые 3-4 года на основании проводимых сортоиспытаний.
2006
Sammendrag
Foredragsamling fra Workshop om Integrated Soft Fruit Production i Stavanger 5-7 oktober 2005
Forfattere
Dag-Ragnar BlystadSammendrag
Nå i 2006 er det 10 år siden vi fant det første tilfellet av tospovirus i et kommersielt gartneri i Norge. I løpet av disse 10 årene har tospovirus gjort skade i mange gartnerier. Vi har også funnet andre, nye virus i gamle og nye blomsterkulturer. Dette synliggjør en utvikling der vi år for år kan registrere nye skadegjørere i kjente kulturer, men også nye skadegjørere som dukker opp i nye blomsterkulturer " kulturer som i utgangspunktet kunne virke tilnærmet frie for skadegjørere. Denne artiklen omtaler tospovirusene tomatbronsetoppvirus (Tomato spotted wilt virus) og Impatiens-nekroseflekkvirus (Impatiens necrotic spot virus), dessuten Calibrachoa mottle virus, tobakkmosaikkvirus (Tobacco mosaic virus), Nemesia ring necrosis virus og agurkmosaikkvirus (Cucumber mosaic virus).
Forfattere
Marianne BechmannSammendrag
14 bekker små...
Sammendrag
The stiffest rods will create the longest casts! This is a common assumption made by many fly casters, but is it really accurate? What follows are the results of a test that examined this hypothesis by combining length measurements of rod stiffness using the Common Cents System (CCS). The test utilized eigth casters, all of them whom cast eight rods. Each caster made four casts with each rod. The article originally appeared in the Norwegian magazine "Alt om Fiske" in October 2006
Sammendrag
Stive stenger kaster lengst, hevder mange fluefiskere. I denne testen undersøker vi om påstanden stemmer. Vi lar åtte kastere få fire kast hver med åtte forskjellige stenger under like forhold. Så sammenligner vi resultatene med såkalte CCS-målinger.
Forfattere
Heleen A. de Wit Taru Palosuo Gro Hylen Jari LiskiSammendrag
Growing stocks of trees in Europe have increased in a magnitude that is significant in terms of carbon (C) sink strength. Estimates of the soil C sink strength that this increased stock of trees may have induced on a regional scale are scarce, uncertain and difficult to compare. This illustrates the need for a widely applicable calculation method. Here, we calculate a C budget of productive forest in southeast Norway based on forest inventory information, biomass expansion factors (BEF), biomass turnover rates and the dynamic soil model Yasso. We estimate a 29% increase (112-145 Tg) of C in biomass between 1971 and 2000, and estimate the associated increase of C in soils (including dead wood) to be 4.5% (181-189 Tg). The C sink strengths in biomass and soils (including dead wood) in 1990 are 0.38 and 0.08 Mg ha(-1) yr(-1), respectively. Estimated soil C density is 58 Mg C ha(-1) or ca 40% of measured soil C density in Norwegian forest soils. A sensitivity analysis - using uncertainty estimates of model inputs and parameters based on empirical data - shows that the underestimation of the soil C stock can be due to overestimation of decomposition rates of recalcitrant organic matter in the soil model and to including only trees as a source of litter. However, uncertainty in these two factors is shown to have a minimal effect on soil sink estimates. The key uncertainty in the soil sink is the initial value of the soil C stock, i.e. the assumed steady state soil C stock at the start of the time series in 1970. However, this source of uncertainty is reduced in importance for when approaching the end of the data series. This indicates that a longer time series of forest inventory data will decrease the uncertainty in the soil sink estimate due to initialisation of the soil C stock. Other, less significant, sources of uncertainty in estimates of soil stock and sink are BEF for fine roots and turnover rates of fine roots and foliage. The used method for calculation of a forest C budget can be readily applied to other regions for which similar forest resource data are available.
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Sonja Klemsdal jihong liu clarke Arash Haghanizadeh Oleif ElenSammendrag
Det er ikke registrert sammendrag