UNESCO-MAB Biosphere Reserve · irn
Arjan
- Area
- 654 km²
- IUCN cat.
- Not Applicable
- Year
- 1976
Overview
- Designation
- UNESCO-MAB Biosphere Reserve
- Established
- 1976
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydrology5 basins · 4 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
8,4km
Lake surface here
52,79km²
Basins crossed
5
Max stream order
2
Max drainage
1 127km²
Discharge in basins
5,6m³/s
Mean precip.
296mm/an
Mean T°
17,3°C
Moisture idx
-0,80
Max snow
4%
Mean runoff
211mm/an
Mean elev. (basins)
1 538m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (3, 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
- 29.58698, 51.95289
- 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.