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.
2025
Forfattere
Gry Alfredsen Geir Wæhler Gustavsen Lone Ross Jonas Niklewski Philip Bester van Niekerk Christian BrischkeSammendrag
To optimise the use of renewable materials in construction, it is essential to understand the factors influencing decisions throughout their design and service life. Life Cycle Costing (LCC) supports sustainable development by aiming to minimise long-term costs through informed planning of service life, maintenance, and replacement. Central to this is the engineering concept of limit states - Ultimate Limit States (ULS) for structural safety and Serviceability Limit States (SLS) for functionality. However, in non-loadbearing applications such as cladding, maintenance is often driven by aesthetic deterioration rather than structural concerns. These aesthetic limit states are subjective and influenced by user preferences, personality traits, and cultural background. In practice, undesired aesthetic changes are among the main reasons for cladding replacement in Europe, alongside fungal decay and modernisation. Premature replacement due to insufficient communication about weathering effects and maintenance needs remains under-addressed. By accounting for variation in user preferences, material selection can be tailored to support a longer service life. This study presents multi-country variation in climate-related perceptions of wood and user preferences for wooden cladding.
Forfattere
Gry Alfredsen Michael Altgen Mari S. Austigard Johan Mattsson Maria Nunez Lone Ross Sverre Aarseth Tunstad Andreas Treu Igor A. Yakovlev Nanna Bjerregaard PedersenSammendrag
A total of 212 iconic wooden cable car pylons were constructed for mining operations in Svalbard, significantly contributing to Longyearbyen's historical identity as a mining town. Fieldwork in Svalbard involved collecting wood samples from 22 of these pylons, targeting wood exposed both aboveground and ground proximity. While the timber used in the constructions was assumed to be untreated Norway spruce (Picea abies), light microscopy revealed that 25% of the timber members were Scots pine (Pinus sylvestris). Wooden beams exposed aboveground showed initial decay over the first 80-90 years, whereas severe fungal decay was observed after about 50 years in wooden poles inserted in the ground. Metabarcoding identified Ascomycetes and Basidiomycetes to be predominating in the wood samples and unveiled new fungal species for Svalbard, including four brown rot, five white rot, and sixteen soft rot species. Macroscopic and microscopic examinations confirmed more advanced decay in ground proximity samples, dominated by brown and soft rot fungi.
Forfattere
Yosef Al Shoffe Terence Robinson Gennaro Fazio Emily Follett Matthew Clark James Luby David Bedford Lee Kalcsits Gregory PeckSammendrag
'Honeycrisp' apples are a crisp cultivar known for their unique texture and flavor. This cultivar is considered revolutionary in the world of crispy apples due to its high value and strong consumer preference. Many new cultivars have recently been developed using 'Honeycrisp' as a parent. However, growing, producing, storing, and marketing 'Honeycrisp' apples present significant challenges. A holistic approach to 'Honeycrisp' production will be discussed, covering aspects such as soil health, rootstocks, orchard management, environmental factors, physiological disorder development, storage protocols, and marketing strategies for sustainable production.
Sammendrag
A sustainability assessment indicator-based framework (SA-IBF) is an integrated set of indicators that provides a holistic view of a system’s sustainability. Previous related studies have primarily focused on assessing the sustainability of wastewater treatment plants and technologies, often by self-selecting the indicators. This study aims to address these gaps by developing a multi-dimensional SA-IBF for assessing the sustainability of urban wastewater management (UWWM) across collection, treatment, and reuse stages. To this end, a novel three- phased methodological approach was employed, underscoring participatory methods. In the first phase, 580 primary indicators were identified, categorized, and refined, resulting in the selection of 134 initial indicators. In the second phase, 32 candidate indicators were chosen through primary screening, which involved applying SMART criteria and conducting expert interviews. Eventually, utilizing the fuzzy Delphi method (FDM), 21 fit- for-purpose final indicators were selected across social (8), environmental (6), technical (5), economic (1), and institutional (1) dimensions. The "Proportion of the population connected to the sewer network" was identified as the most significant final indicator. Moreover, applying the developed SA-IBF in Tabriz City, Iran, effectively revealed the city’s sustainability trade-offs. Therefore, the methodology and the proposed SA-IBF could inspire future research on establishing frameworks for SA of UWWM.
Sammendrag
Artikkelen tar for seg det økende problemet med rotråte i norsk granskog og spør om det er mulig å avle fram gran med bedre motstandskraft. Gjennom forskningsprosjektet Frisk Skog kombineres genetiske analyser, feltforsøk og data fra hogstmaskiner for å forstå variasjonen i råteresistens og utvikle mer presise verktøy for skogplanteforedling. Samtidig løftes praktiske råd for skogeiere, som bruk av Rotstop, skånsom drift og mer målrettet planting, som viktige tiltak for å redusere tap her og nå.
Sammendrag
Polykarpe planter er planter som blomstrer og setter frukt mer enn én gang i løpet av livet. De fleste flerårige planter er polykarpe. Trær, busker og stauder blomstrer som regel hvert år etter at de har nådd en viss alder. Polykarpe planter skiller seg fra monokarpe planter, som bare blomstrer én gang før de dør.
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Trine Hvoslef-Eide Aasmund Bunkholt Atle Wehn Hegnes Petter D. Jenssen Roland Peter Kallenborn Jan Ludvig Lyche Melesse Eshetu_Moges Trine Aulstad Sogn TomasgaardSammendrag
To meet the UN’s 17 Sustainable Development Goals by 2030, we must address the challenge of feeding a growing global population while preserving biodiversity and minimizing land use. Solutions lie in increasing yields on existing farmland and expanding food production in urban and semi-urban areas. Urban environments, traditionally resource-intensive and polluting, must evolve into hubs of circular bioresource use. Biological waste should be seen not as waste, but as recyclable resources. This paper explores how urban food production can be supported by recycling household grey and black water, reducing reliance on costly treatment plants. Black water, combined with food waste, can generate bioenergy in biogas reactors. The resulting digestate can serve as fertilizer or growth media. Research is needed to ensure the safe, circular use of these resources, protecting public health. In parallel, we must develop innovative horticultural technologies – such as rooftop gardens, vertical farming, and wall-based cultivation – using plant varieties tailored for urban conditions. Strengthening local food resilience also involves understanding production in balconies, backyards, allotments, and community gardens. Citizens are eager to learn, and trained urban horticulturalists can guide them. In Norway, we have launched a master’s program in Urban Agriculture, integrating these themes. Students from diverse backgrounds tackle real-world challenges from municipalities and businesses, addressing complex problems that require interdisciplinary solutions, using real-life external cases.
Sammendrag
Det er ikke registrert sammendrag
Sammendrag
Det er ikke registrert sammendrag