
National gene conservation unit number: ITA00251 Date of collection of the field data entered: 2011 Date of the most recent visit: 2023 Location Unit country: Italy Unit province or state: Tuscany Unit department or county: Siena Unit municipality: Piancastagnaio Unit local name: Pigelleto Nature Reserve Ownership of the unit: Public Unit elevation [m a.s.l.]: 800 - 900 Unit surface area [ha]: 830 Coordinates (Public coordinates): Latitude (Decimal):42.8111 \| Longitude (Decimal): 11.6537 Soil: Calcaric Regosols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Cool temperate. Environmental zone:Cool temperate and moist. Aridity index: 1.167 Species All tree species reported in the unit: *Abies alba; Corylus avellana; Fagus sylvatica; Prunus avium; Quercus cerris; Quercus pubescens; Salix alba; Taxus baccata* Target species for conservation in the GCU: **Abies alba, Taxus baccata, Quercus cerris Unit type: Gene reserve forest, Biodiversity conservation Target species: Abies alba Status of the target species in the GCU: - Category of the target species in the GCU: In situ Origin of the target species in the GCU : Autochthonous Population share (%): 40% Estimated number of reproducing trees (interval): >5001 Status of long-term viable regeneration: - Management Population management: Minimum intervention allowed Predominant silvicultural system: Close-to-nature forestry Target species: Taxus baccata 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 : Autochthonous Population share (%): 87% Estimated number of reproducing trees (interval): >5001 Status of long-term viable regeneration: Sporadic Management Population management: Minimum intervention allowed Predominant silvicultural system: Close-to-nature forestry Target species: Quercus cerris 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 : Autochthonous Population share (%): 76% Estimated number of reproducing trees (interval): >5001 Status of long-term viable regeneration: Required management intervention Management Population management: Minimum intervention allowed Predominant silvicultural system: Close-to-nature forestry**

National gene conservation unit number: ITA00251
Date of collection of the field data entered: 2011
Date of the most recent visit: 2023

Location

Unit country: Italy
Unit province or state: Tuscany
Unit department or county: Siena
Unit municipality: Piancastagnaio
Unit local name: Pigelleto Nature Reserve
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 800 - 900
Unit surface area [ha]: 830
Coordinates (Public coordinates): Latitude (Decimal):42.8111 | Longitude (Decimal): 11.6537

Soil: Calcaric Regosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.167

Species

All tree species reported in the unit: Abies alba; Corylus avellana; Fagus sylvatica; Prunus avium; Quercus cerris; Quercus pubescens; Salix alba; Taxus baccata
Target species for conservation in the GCU: Abies alba, Taxus baccata, Quercus cerris

Unit type: Gene reserve forest, Biodiversity conservation

Target species: Abies alba
Status of the target species in the GCU: -
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Autochthonous
Population share (%): 40%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-nature forestry

Target species: Taxus baccata
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 : Autochthonous
Population share (%): 87%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: Sporadic

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-nature forestry

Target species: Quercus cerris
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 : Autochthonous
Population share (%): 76%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: Required management intervention

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-nature forestry