Wetland of International Importance (Ramsar Site) · rus
Lake Bolon & the mouths of the Selgon & Simmi Rivers
- Area
- 1 278 km²
- IUCN cat.
- Not Reported
- Year
- 1994
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- Established
- 1994
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
309 distinct species · 340 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Lake Bolon & the mouths of the Selgon & Simmi Rivers : 25 espèces reliées par 19 interactions GloBI sur 4 types (connectance 5.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology8 basins · 35 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
221,4km
Lake surface here
152,27km²
Basins crossed
8
Max stream order
6
Max drainage
6 451km²
Discharge in basins
134,3m³/s
Mean precip.
671mm/an
Mean T°
0,7°C
Moisture idx
-0,05
Max snow
39%
Mean runoff
673mm/an
Mean elev. (basins)
39m
Watersheds crossing here
- Bassin de Волиsub-area854,7 km²overlap348.12 km²27%
- Bassin de Укурsub-area2 392,8 km²overlap301.37 km²24%
- Bassin de Харпиsub-area529,8 km²overlap277.10 km²22%
- Bassin de Сельгонsub-area1 124,6 km²overlap264.39 km²21%
- Bassin de Харпиsub-area595,7 km²overlap83.93 km²7%
- Basin #42930sub-area32 km²overlap1.72 km²0%
- Bassin de Альканsub-area2 469,7 km²overlap1.11 km²0%
- Bassin de Сюмнюрsub-area762,8 km²overlap0.09 km²0%
Lakes (35, top by area)
- Bolon'area323,6 km²avg depth12.5 m
- Ozero Kiltasinarea17,9 km²avg depth1.0 m
- Ozero Al’bitearea9,6 km²avg depth1.1 m
- Ozero Chopokchiarea1,3 km²avg depth0.7 m
- Lac 1339750area0,7 km²avg depth1.7 m
- Lac 1339871area0,5 km²avg depth1.3 m
- Lac 1340781area0,5 km²avg depth1.3 m
- Lac 1340224area0,5 km²avg depth1.4 m
- Lac 1340366area0,4 km²avg depth1.5 m
26 more lakes
- Lac 1340445area0,4 km²avg depth1.2 m
- Lac 1339888area0,4 km²avg depth1.1 m
- Lac 1340326area0,3 km²avg depth1.5 m
- Lac 1340179area0,3 km²avg depth1.4 m
- Lac 1340475area0,3 km²avg depth1.3 m
- Lac 1339831area0,3 km²avg depth1.2 m
- Lac 1340979area0,3 km²avg depth0.6 m
- Lac 1339810area0,2 km²avg depth1.4 m
- Lac 1339959area0,2 km²avg depth1.2 m
- Lac 1340535area0,2 km²avg depth1.0 m
- Lac 1340520area0,2 km²avg depth1.2 m
- Lac 1340629area0,2 km²avg depth1.3 m
- Lac 1339934area0,2 km²avg depth1.2 m
- Lac 1339879area0,2 km²avg depth1.0 m
- Lac 1339621area0,2 km²avg depth0.9 m
- Lac 1340447area0,2 km²avg depth1.2 m
- Lac 1340359area0,2 km²avg depth0.9 m
- Lac 1339716area0,1 km²avg depth1.1 m
- Lac 1339841area0,1 km²avg depth1.2 m
- Lac 1339932area0,1 km²avg depth0.6 m
- Lac 1339878area0,1 km²avg depth0.5 m
- Lac 1340338area0,1 km²avg depth1.2 m
- Lac 1340457area0,1 km²avg depth0.9 m
- Lac 1339897area0,1 km²avg depth1.0 m
- Lac 1339864area0,1 km²avg depth0.8 m
- Lac 1339836area0,1 km²avg depth0.9 m
Rivers / streams (14, ord ≥ 4)
- Сельгонord 5len here54.10 km31%total175 km
- Харпиord 6len here44.44 km19%total228 km
- Симмиord 5len here44.30 km55%total81 km
- протока Гуиord 6len here14.46 km91%total16 km
- Хылгаord 3len here13.31 km83%total16 km
- протока Ерсуынord 5len here11.81 km100%total12 km
- Левый Вахтарord 4len here10.28 km60%total17 km
- Волиord 2len here8.31 km45%total18 km
- Озерныйord 2len here6.80 km24%total29 km
- Вахтарord 4len here5.65 km23%total25 km
- Норменord 5len here4.34 km6%total78 km
- Мучиэнord 5len here2.79 km33%total8 km
2 more river segmentssorted by Strahler order + length
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
- 49.61174, 135.95780
- 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.