Wetland of International Importance (Ramsar Site) · rus
Lake Udyl & the mouths of the Bichi, Bitki & Pilda Rivers
- Area
- 715 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
434 distinct species · 740 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Udyl & the mouths of the Bichi, Bitki & Pilda Rivers : 28 espèces reliées par 34 interactions GloBI sur 4 types (connectance 6.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology10 basins · 16 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
107,8km
Lake surface here
328,58km²
Basins crossed
10
Max stream order
5
Max drainage
12 910km²
Discharge in basins
51,2m³/s
Mean precip.
577mm/an
Mean T°
-1,0°C
Moisture idx
0,00
Max snow
43%
Mean runoff
142mm/an
Mean elev. (basins)
65m
Watersheds crossing here
- Bassin de Алочкаsub-area288,8 km²overlap230.26 km²32%
- Bassin de Ухтаsub-area1 281,6 km²overlap163.49 km²23%
- Bassin de Малый Дайканsub-area382,1 km²overlap153.13 km²21%
- Bassin de Бичиsub-area355,2 km²overlap71.81 km²10%
- Bassin de Алочкаsub-area816,8 km²overlap47.18 km²7%
- Bassin de Биткиsub-area27 km²overlap27.08 km²4%
- Bassin de Биткиsub-area1 180,3 km²overlap11.45 km²2%
- Bassin de Пильдаsub-area400,4 km²overlap7.14 km²1%
- Bassin de Пальмукаsub-area474 km²overlap2.71 km²0%
1 more basinssorted by overlap
Lakes (16, top by area)
- Udyl'area327,2 km²avg depth19.2 m
- Ozero Pisearea4,3 km²avg depth2.2 m
- Lac 1331299area0,7 km²avg depth1.9 m
- Lac 1330136area0,7 km²avg depth2.3 m
- Lac 1331317area0,6 km²avg depth2.3 m
- Lac 1331413area0,6 km²avg depth1.6 m
- Lac 1331334area0,6 km²avg depth1.8 m
- Lac 1331239area0,4 km²avg depth1.6 m
- Lac 1331161area0,3 km²avg depth1.7 m
Rivers / streams (15, ord ≥ 4)
- Бичиord 5len here23.53 km7%total357 km
- Пильдаord 4len here13.46 km7%total182 km
- Ухтаord 5len here13.15 km30%total43 km
- Алочкаord 3len here11.54 km22%total51 km
- Мокоord 2len here11.09 km44%total25 km
- Биткиord 3len here6.09 km9%total68 km
- Малый Дайканord 1len here4.93 km19%total26 km
- Малая Силасуord 2len here4.37 km12%total35 km
- протока Малая Пильдаord 1len here3.84 km100%total4 km
- Средняя Силасуord 2len here3.79 km23%total16 km
- Дайканord 2len here3.75 km16%total23 km
- Большая Силасуord 2len here3.45 km8%total43 km
3 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
- 52.05905, 139.74736
- 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.