National gene conservation unit number: MP/2/31629/05
Date of collection of the field data entered: 2013
Date of the most recent visit: 2019

Location

Unit country: Poland
Unit province or state: Woj. kujawsko-pomorskie
Unit department or county: Powiat nakielski
Unit municipality: Gmina Sadki
Unit local name: N. Szubin 2-08-74i,75l
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 65 - 65
Unit surface area [ha]: 8
Coordinates (Public coordinates): Latitude (Decimal):53.1153 | Longitude (Decimal): 17.4097

Soil: Terric Histosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and dry.
Aridity index: 0.780

Species

All tree species reported in the unit: Fraxinus excelsior; Alnus glutinosa; Tilia cordata; Acer pseudoplatanus; Ulmus laevis
Target species for conservation in the GCU: Alnus glutinosa

Unit type: Seed stand

Target species: Alnus glutinosa
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 : Autochtonous
Population share (%): 100%
Estimated number of reproducing trees (interval): 50 - 499
Status of long-term viable regeneration: -

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: -