Country of the unit : | Finland |
Unit number: | FIN00033 |
National gene conservation unit number: | GR33 |
Province or state: | |
Department or county: | |
Municipality: | Hyvinkää |
Local name : | Kalkkivuori ja Löytlahti |
Latitude : | 60°31'40.680000000119"N |
Longitude : | 24°38'46.68"E |
Restriction in making the geographical coordinates publically available: | 0 |
Datum: | |
Polygon coordinates (if available): | |
Minimum elevation (m): | 110 |
Maximum elevation (m): | 120 |
Surface area of the unit (ha): | 32.33 |
Ownership of the unit : | Other |
Type and function of the unit : | Gene reserve forest; Biodiversity conservation (habitats AND/or species); Forest area managed for wood production AND/or multiple uses AND services |
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: | 2022 |
Remarks on specific soil characteristics: | |
Remarks on other specific characteristics of the unit: | Some seed collected in 2012. |
All tree species growing in the unit: | Betula pendula; Pinus sylvestris; Picea abies; Fraxinus excelsior |
Target species: | Fraxinus excelsior |
National population unit number if existing: | |
Year of establishment of the GCU for the species: | 1996 |
Year of the most recent visit: | 2015 |
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: | Clear-cutting with natural regeneration (seed trees or strips) |
Level of management allowed to favour the target species: | Conservation through active intervention carried out |
Main reason for carrying out gene conservation for this species: | To conserve rare or endangered tree species with populations consisting of a low number of remaining individuals |
Total number of reproducing trees per unit: | 15 - 49 |
Sex ratio, if appropriate: | |
Status of long-term viable regeneration : | Requires management intervention |
Distribution of the reproducing trees in the unit (multiple choice): | Scattered |
Estimated share of the total area within the unit in which the species is occurring (%): | 90 |
Remarks on the population: | Chalara fraxinea |