Strict Nature Reserve · bgr
Sokolna
- Area
- 13 km²
- IUCN cat.
- Ia
- Year
- 1979
Overview
- Designation
- Strict Nature Reserve
- IUCN category
- Ia · Réserve naturelle intégrale
Protection stricte, accès limité aux fins scientifiques
- Established
- 1979
- Managing authority
- Ministry of Environment and Water, Sofia 1000, 67 Wiliam Gladstone str.
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
129 distinct species · 2 768 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Sokolna : 12 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 4 types (connectance 15.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,9km
Basins crossed
1
Max stream order
1
Max drainage
2 290km²
Discharge in basins
0,1m³/s
Mean precip.
662mm/an
Mean T°
9,0°C
Moisture idx
-0,26
Max snow
10%
Mean runoff
160mm/an
Mean elev. (basins)
662m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 42.69370, 25.13142
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.