National gene conservation unit number: NOR00032
Population number: -

GCU
Date of collection of the field data entered: 2019
Date of the most recent visit: 2019

POPULATION
Year of Establishment of the GCU for the species: 2020
Date (or partial of date) of the most recent visit: 2019

Location

Unit country: Norway
Unit province or state: -
Unit department or county: -
Unit municipality: Kragerø
Unit local name: Jomfruland
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 20
Unit surface area [ha]: 29.2
Coordinates ( Public coordinates): Latitude (Decimal):58.8806 | Longitude (Decimal): 9.6106

Soil: Gleyic Arenosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 2.650

Species

All tree species growing in the unit: Malus sylvestris
Target species for conservation in the GCU: Malus sylvestris

Unit type: Biodiversity conservation (habitats AND/or species)

Target species: Malus sylvestris
Status of the target species in the GCU: Included
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Unknown
Population share (%): 20%
Estimated number of reproducing trees (interval): 50 - 499
Status of long-term viable regeneration: Requires management intervention

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: No silviculture