HydroBASINS lev08 watershed · #2080252450
Bassin de Обла
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 2 administrative regions : Luzhskiy rayon, Shimskiy rayon
Sub-basin area
638,4km²
Upstream area
638,4km²
Discharge
5,1m³/s
Mean elev.
77m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 638.2 km²99.4% of basin
- 3.5 km²0.6% of basin
1 intersecting protected areas
CHeremeneckij
IUCN IVState Natural Zakaznik
78.22 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
736 distinct species · 4 123 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Обла : 23 espèces reliées par 49 interactions GloBI sur 5 types (connectance 11.3%, filtre Serrano α=0.2). 7 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°
4,4°C
Annual rain
649mm
Moisture idx (CMI)
0,09
Runoff
252mm/an
PET
590mm
AET
455mm
Mean slope
1,1°
Water table
81cm
Forest
77%
Crops
15%
Urban
1%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)