
National gene conservation unit number: CHE00032 Date of collection of the field data entered: 2020 Date of the most recent visit: 2020 Location Unit country: Switzerland Unit province or state: SO Unit department or county: Jura bernois,Lebern Unit municipality: Bettlach Unit local name: Region Bettlachstock-Hasenmatt Ownership of the unit: Other Unit elevation [m a.s.l.]: 772 - 1439 Unit surface area [ha]: 427.972 Coordinates (Public coordinates): Latitude (Decimal):47.2197 \| Longitude (Decimal): 7.4060 Soil: Rendzic Leptosols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Boreal / Alpine. Environmental zone:Cold and mesic. Aridity index: 2.342 Species All tree species reported in the unit: *Fagus sylvatica; Abies alba; Acer pseudoplatanus; Picea abies* Target species for conservation in the GCU: **Abies alba, Acer pseudoplatanus, Fagus sylvatica, Picea abies Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species) Target species: Abies alba 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 : Autochtonous Population share (%): 100% Estimated number of reproducing trees (interval): > 5000 Status of long-term viable regeneration: - Management Population management: Minimum intervention allowed Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging) Target species: Acer pseudoplatanus 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 : Autochtonous Population share (%): 25% Estimated number of reproducing trees (interval): 500 - 4999 Status of long-term viable regeneration: - Management Population management: Minimum intervention allowed Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging) Target species: Fagus sylvatica 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 : Autochtonous Population share (%): 100% Estimated number of reproducing trees (interval): > 5000 Status of long-term viable regeneration: - Management Population management: Minimum intervention allowed Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging) Target species: Picea abies 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 : Autochtonous Population share (%): 100% Estimated number of reproducing trees (interval): > 5000 Status of long-term viable regeneration: - Management Population management: Minimum intervention allowed Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)**

National gene conservation unit number: CHE00032
Date of collection of the field data entered: 2020
Date of the most recent visit: 2020

Location

Unit country: Switzerland
Unit province or state: SO
Unit department or county: Jura bernois,Lebern
Unit municipality: Bettlach
Unit local name: Region Bettlachstock-Hasenmatt
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 772 - 1439
Unit surface area [ha]: 427.972
Coordinates (Public coordinates): Latitude (Decimal):47.2197 | Longitude (Decimal): 7.4060

Soil: Rendzic Leptosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 2.342

Species

All tree species reported in the unit: Fagus sylvatica; Abies alba; Acer pseudoplatanus; Picea abies
Target species for conservation in the GCU: Abies alba, Acer pseudoplatanus, Fagus sylvatica, Picea abies

Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species)

Target species: Abies alba
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 : Autochtonous
Population share (%): 100%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)

Target species: Acer pseudoplatanus
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 : Autochtonous
Population share (%): 25%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)

Target species: Fagus sylvatica
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 : Autochtonous
Population share (%): 100%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)

Target species: Picea abies
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 : Autochtonous
Population share (%): 100%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)