Natural Monument · rus
Reka Somnya
- Area
- 175 km²
- IUCN cat.
- III
- Year
- 1997
Overview
- Designation
- Natural Monument
- IUCN category
- III · Monument naturel
Caractéristique naturelle spécifique protégée
- Established
- 1997
- Managing authority
- Local Government Agency
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
9 distinct species · 9 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydrology7 basins · 5 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
121,8km
Lake surface here
1,23km²
Basins crossed
7
Max stream order
6
Max drainage
49 130km²
Discharge in basins
390,5m³/s
Mean precip.
578mm/an
Mean T°
-2,9°C
Moisture idx
0,02
Max snow
54%
Mean runoff
191mm/an
Mean elev. (basins)
257m
Watersheds crossing here
- Bassin de Сомняsub-area2 454,2 km²overlap120.70 km²69%
- Bassin de Амгуньsub-area688,9 km²overlap22.68 km²13%
- Bassin de Амгуньsub-area128,6 km²overlap16.07 km²9%
- Bassin de Амгуньsub-area16,9 km²overlap10.27 km²6%
- Bassin de Амгуньsub-area16,2 km²overlap5.20 km²3%
- Bassin de Амгуньsub-area131,7 km²overlap0.05 km²0%
- Bassin de Амгуньsub-area173,3 km²overlap0.05 km²0%
Lakes (5, 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
- 52.94785, 138.75421
- 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.