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.
2014
Sammendrag
Det er ikke registrert sammendrag
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Kjell AndreassenSammendrag
In this investigation we analyzed pairs of uneven-aged vs even-aged managed Norway spruce long term plots. The plots were established as parallel plots in 1920-1940’s and are followed by frequent measurements over a period of 50 to 90 years to get knowledge about growth, stability and forest management . The uneven-aged plots were managed with selection system, while the even-aged plots were managed with thinning from below. Diameters of all trees and heights of sample trees are measured. The diameters of harvested trees were 17 % larger than the remaining trees and indicate thinning from above. We experienced about 20 % lower volume production in the uneven-aged forest compared with the yield capacity (YC) with the largest deviation at the most productive sites (YC >9 m3/ha/yr). Selection system based on natural regeneration is favorable at vegetation types with easy regeneration conditions. We experienced problems to maintain a J-shaped diameter distribution at most sites with uneven-aged management due to too small harvesting (selection system), dense stands, and small natural regeneration. It is difficult to balance between dense productive stands and initiating natural regeneration under Norwegian conditions. However, problems with stability are also observed in even-aged stands.
Forfattere
Einar StrandSammendrag
Det er ikke registrert sammendrag
Forfattere
Terje RøynebergSammendrag
Det er ikke registrert sammendrag
Forfattere
Guro HenselSammendrag
Status miljøblader og uttestingsnormer, samt teknologi mindre avløpsanlegg for å oppnå utslippskrav
Sammendrag
Det er ikke registrert sammendrag
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Ann Katrin HoltekjølenSammendrag
Det er ikke registrert sammendrag
Forfattere
Guro BrodalSammendrag
Det er ikke registrert sammendrag