Cristin-resultat-ID: 1716083
Sist endret: 28. februar 2020, 15:35
NVI-rapporteringsår: 2019
Vitenskapelig artikkel

Alien plants, animals, fungi and algae in Norway: an inventory of neobiota

  • Hanno Sandvik
  • Dag Dolmen
  • Reidar Elven
  • Tone Falkenhaug
  • Elisabet Forsgren
  • Haakon Hansen
  • mfl.


Biological Invasions
ISSN 1387-3547
e-ISSN 1573-1464
NVI-nivå 1

Om resultatet

Vitenskapelig artikkel
Publiseringsår: 2019
Volum: 21
Hefte: 10
Sider: 2997 - 3012
Open Access


Scopus-ID: 2-s2.0-85071711651



Zoologiske og botaniske fag

Beskrivelse Beskrivelse


Alien plants, animals, fungi and algae in Norway: an inventory of neobiota


We present the results of an inventory and status assessment of alien species in Norway. The inventory covered all known multicellular neobiota, 2496 in total, 1039 of which were classified as naturalised. The latter constitute c. 3% of all species known to be stably reproducing in Norway. These figures are higher than expected from Norway’s latitude, which may be due a combination of climatic and historical factors, as well as sampling effort. Most of the naturalised neobiota were plants (71%),followed by animals (21%) and fungi (8%). The main habitat types colonised were open lowlands (79%), urban environments (52%) and woodlands (42%). The main areas of origin were Europe (67%), North America (15%) and Asia (13%). For most taxa, the rate of novel introductions seems to have been increasing during recent decades. Within Norway, the number of alien species recorded per county was negatively correlated with latitude and positively correlated with human population density. In the high-Arctic territories under Norwegian sovereignty, i.e. Svalbard and Jan Mayen, 104 alien species were recorded, of which 5 were naturalised.


Hanno Sandvik

  • Tilknyttet:
    ved NINA akvatisk naturmangfold ved Norsk institutt for naturforskning
  • Tilknyttet:
    ved Artsdatabanken

Dag Dolmen

  • Tilknyttet:
    ved Institutt for naturhistorie ved Norges teknisk-naturvitenskapelige universitet

Reidar Elven

  • Tilknyttet:
    ved Naturhistorisk museum ved Universitetet i Oslo

Tone Falkenhaug

  • Tilknyttet:
    ved Plankton ved Havforskningsinstituttet

Elisabet Forsgren

  • Tilknyttet:
    ved NINA Fellestjenestene ved Norsk institutt for naturforskning
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