Morgane Merlin
Forsker
Sammendrag
Det er ikke registrert sammendrag
Sammendrag
Data from the Norwegian national forest inventory spanning from 1994 to 2022 were analyzed to explore the growth dynamics of pure and mixed stands of Norway spruce and Scots pine. The derived large dataset enabled the development of models designed to assess how stand characteristics and drought interactively affect volume increment at the stand and individual tree level. The analysis revealed that pine-dominated stands outperform spruce-dominated stands at lower site qualities, while the opposite was true at higher site qualities. Mixed stands exhibited overyielding, with productivity exceeding the expected combined pure stand productivity of the individual species components. Based on model predictions, relative overyielding increased with stand age and declined with increasing site quality. Transgressive overyielding, where mixed stands outperform pure stands of either species, was predicted for medium site qualities. Drought-induced productivity losses increased with spruce proportion, especially at lower site qualities, and with stand density. The presence of pine in mixed stands mitigated the negative effects of drought on spruce. The findings of this study suggest that pure spruce stands should be avoided on lower-quality sites while mixed stands with appropriate thinning interventions should be promoted to maintain productivity under changing climatic conditions.
Forfattere
Annegrete Bruvoll Erin Byers Cecilie Flyen Anna Elisabet Forsgren Erika Minerva Karttinen Morgane Merlin Signe Nybø Hilde Haug Simonhjell Svein Solberg Gunnhild Søgaard Øyvind Nystad HandbergSammendrag
Rapporten presenterer en litteraturoversikt om konsekvenser av klimaendringer i Norge. På oppdrag for Miljødirektoratet har Menon Economics i samarbeid med Norsk institutt for naturforskning (NINA), Norsk institutt for bioøkonomi (NIBIO) og Norsk institutt for kulturminneforskning (NIKU) utarbeidet en oversikt over litteraturen om konsekvenser av klimaendringer i Norge. Rapporten tar for seg nåværende og framtidige konsekvenser av klimaendringene i Norge, spesifikt for mat, helse, infrastruktur, natur og kulturmiljø.
Divisjon for skog og utmark
PathFinder
Towards an Integrated Consistent European LULUCF Monitoring and Policy Pathway Assessment Framework
Divisjon for miljø og naturressurser
Precilience: Precision climate resilience for agriculture and forestry sectors in the European boreal regions
Precilience will develop precision solutions with farmers, foresters, landowners, and other actors to increase climate resilience in the Nordic-Baltic regions of Denmark, Estonia, Finland, Norway and Sweden.
Divisjon for skog og utmark
PathFinder
Towards an Integrated Consistent European LULUCF Monitoring and Policy Pathway Assessment Framework
Se prosjektets offisielle nettside for mer informasjon:
https://pathfinder-heu.eu/