European Information System on Forest Genetic Resources

Detail page for Unit number: LTU00095 and Target species: Betula pendula

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Country of the unit :Lithuania
Unit number:LTU00095
National gene conservation unit number:17BGD044
Province or state:Kaunas
Department or county:Raseiniai
Municipality:Girdziai
Local name :Simkaiciai forest birch state genetic reserve
Latitude :55°12'06.0000"N
Longitude :22°53'27.0000"E
Restriction in making the geographical coordinates publically available:0
Datum:
Polygon coordinates (if available):
Minimum elevation (m):75
Maximum elevation (m):75
Surface area of the unit (ha):7.4
Ownership of the unit :Public
Type and function of the unit :Gene reserve forest
Monthly temperature (°C):
Total annual mean precipitation (mm):
Heat sum and/or length of the growing season (in days):
Accumulated moisture deficit:
Year of collection of the field data entered:1995
Year of the most recent visit:2021
Remarks on specific soil characteristics:Eutrophic sandy loam
Remarks on other specific characteristics of the unit:
All tree species growing in the unit:Betula pendula; Populus tremula; Alnus glutinosa
Target species:Betula pendula
National population unit number if existing:17BGD044
Year of establishment of the GCU for the species:1995
Year of the most recent visit:2021
Status of the target tree population regarding the EUFORGEN common action plans.:
Category of the population:In situ
Origin of the material:Autochtonous
Predominant silvicultural system:Close-to-natural forestry (continuous cover forest, selective logging)
Level of management allowed to favour the target species:Minimum intervention allowed
Main reason for carrying out gene conservation for this species:To maintain genetic diversity in large tree populations
Total number of reproducing trees per unit:500 - 4999
Sex ratio, if appropriate:
Status of long-term viable regeneration :
Distribution of the reproducing trees in the unit (multiple choice):In stands
Estimated share of the total area within the unit in which the species is occurring (%):64
Remarks on the population: