
National gene conservation unit number: CHE00044 Date of collection of the field data entered: 2020 Date of the most recent visit: 2020 Location Unit country: Switzerland Unit province or state: ZH Unit department or county: Andelfingen Unit municipality: Flaach Unit local name: Thurauen ZH Ownership of the unit: Public Unit elevation [m a.s.l.]: 345 - 362 Unit surface area [ha]: 138.7 Coordinates (Public coordinates): Latitude (Decimal):47.5926 \| Longitude (Decimal): 8.6169 Soil: Eutric Gleysols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Cool temperate. Environmental zone:Cool temperate and moist. Aridity index: 1.161 Species All tree species reported in the unit: *Populus nigra* Target species for conservation in the GCU: *Populus nigra* Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species) Target species: Populus nigra 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 (%): 100% Estimated number of reproducing trees (interval): 500 - 4999 Status of long-term viable regeneration: - Management Population management: Conservation through active intervention carried out Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)

National gene conservation unit number: CHE00044
Date of collection of the field data entered: 2020
Date of the most recent visit: 2020

Location

Unit country: Switzerland
Unit province or state: ZH
Unit department or county: Andelfingen
Unit municipality: Flaach
Unit local name: Thurauen ZH
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 345 - 362
Unit surface area [ha]: 138.7
Coordinates (Public coordinates): Latitude (Decimal):47.5926 | Longitude (Decimal): 8.6169

Soil: Eutric Gleysols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.161

Species

All tree species reported in the unit: Populus nigra
Target species for conservation in the GCU: Populus nigra

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

Target species: Populus nigra
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 (%): 100%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: -

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)