HydroBASINS lev08 watershed · #3080417390
Bassin de Ола
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 3 administrative regions : Khasynskiy rayon, Ol'skiy rayon, Ten'kinskiy rayon
Sub-basin area
1 257km²
Upstream area
1 257,1km²
Discharge
11,74m³/s
Mean elev.
856m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 821.0 km²64.9% of basin
- 413.5 km²32.7% of basin
- 29.7 km²2.3% of basin
1 intersecting protected areas
Ol`skoe plato
IUCN IIINatural Monument
0.45 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
315 distinct species · 745 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Bassin de Ола : 34 espèces reliées par 63 interactions GloBI sur 5 types (connectance 5.8%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-9,3°C
Annual rain
394mm
Moisture idx (CMI)
0,20
Runoff
352mm/an
PET
315mm
AET
275mm
Mean slope
18,6°
Water table
410cm
Forest
33%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)