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Overvåking av åpen grunnlendt kalkmark i Oslofjordområdet

Authors: Evju, Marianne;

Overvåking av åpen grunnlendt kalkmark i Oslofjordområdet

Abstract

På oppdrag fra Miljødirektoratet har NINA etablert overvåking av åpen grunnlendt kalkmark i Oslofjordområdet. Overvåkingen er knyttet til utvalgte 500 x 500-m lokaliteter på kalkrik berggrunn langs kysten. Innenfor hver lokalitet avgrenses polygoner av åpen grunnlendt kalkmark (grunntypene T2-7 og T2-8 i NiN v.2.1). Innenfor polygonene registreres tre sett med data: 1. en kryssliste over habitatspesifikke karplantearter 2. systematiske søk langs transekter etter fremmede karplantearter med stor økologisk risiko (SE, HI og PH) og etter rødlistede karplantearter 3. analyser av vegetasjonssammensetning i vegetasjonsruter på 0,5 x 0,5 m, der alle forekommende karplanter registreres med dekning (%) Fra 2021 registreres også fremmede arter med lav økologisk risiko (LO) samt produksjonsarter, i sirkler med 5 m radius rundt vegetasjonsrutene. Beskrivelse av overvåkingsopplegget finnes i NINA Rapport 1910 og NINA Rapport 2045.

Keywords

Occurrence, Observation

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average