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Arctic population

Formal name:  plant population arctic
Local identifier:  TOP809
Definition:  plant species population with individuals ocurring in the artic floristic zone, which is a polar region at the northernmost part of the Earth, north of the arctic circle, characterised by vegetation of the tundras north of the treeline.
Formal Unit:  unitless (category)

Reference:  Jaeger, E. J.& Werner K. (2002): Rothmaler, Exkursionsflora von Deutschland. Gefaesspflanzen: Kritischer Band, Berlin, Spectrum, 948 pages (adapted)