National gene conservation unit number: CZE-00168a
Date of collection of the field data entered: 1999
Date of the most recent visit: 2008

Location

Unit country: Czech Republic
Unit province or state: Olomoucky kraj
Unit department or county: Prerov
Unit municipality: Troubky
Unit local name: Trni
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 195 - 195
Unit surface area [ha]: 117
Coordinates (Public coordinates): Latitude (Decimal):49.4469 | Longitude (Decimal): 17.3303

Soil: Eutric Fluvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and dry.
Aridity index: 0.795

Species

All tree species reported in the unit: Quercus robur; Fraxinus excelsior
Target species for conservation in the GCU: Fraxinus excelsior, Quercus robur

Unit type: -

Target species: Fraxinus excelsior
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 (%): 10%
Estimated number of reproducing trees (interval): 50 - 499
Status of long-term viable regeneration: Sporadic

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

Target species: Quercus robur
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 (%): 90%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: Requires management intervention

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