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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.

2001

Sammendrag

Tidligere fylkesagronom Per Bjerkø i Vestfold er en av pionerene i norsk frøavl. I dette intervjuet forteller han om utviklinga av frøavlen i Vestfold de siste 40 åra - fra små arealer timotei og rødkløver til landets ledende frøavlsfylke

Sammendrag

Characteristics of 46 setae of the second stage larvae of four  Hoplothrips species (Thysanoptera) are discussed with respect to their diagnostic value. Two different approaches, of which one is mathematical, for identifications of the larvae are given.

Sammendrag

Artikkelen gir i tabellform en oversikt over de ulike frøfirmaers frøavlsingsavlingsprognoser for 2000.

Sammendrag

This study estimate functions for predicting above-ground biomass and LAI for trees and shrubs. The functions are then used to estimate biomass and LAI for trees and shrubs in a test area in the Scandinavian mountains. Extensive field data, consisting of diameter at breast height for 13 000 trees and height for 550 trees, has been collected. Furthermore, biomass and leaf area measurements for 46 mountain-birch trees (Betula pubescens ssp. czerepanovii (Orlowa) Hämet-Ahti) and biomass and leaf area measurements for shrubs at 36 sample plots have been carried out. Multiplicative linear allometric models for trees were fitted to tree biomass and leaf area measurements using basal area at breast height, height, crown diameter, and diameter at stump height as explanatory variables. Additive linear models were fitted to shrub biomass and leaf area index measurements using coverage of shrubs, topographic variables, and soil type as explanatory variables. The mean total biomass were 27 493 kg/ha for the forest and 7650 kg/ha for snow-covered vegetation. The leaf area indices were 2.06 and 0.52, respectively.