HydroBASINS lev08 watershed · #2080727520
Bassin de سیوەیل
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 1 administrative regions : Sharbazher
Sub-basin area
28,7km²
Upstream area
2 570,2km²
Discharge
29,7m³/s
Mean elev.
1 001m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de چەمی کاژاو980 km²
- Bassin de سیوەیل193 km²
1 dept-equivalent regions (GADM L2)
- 28.7 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
94 distinct species · 149 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 سیوەیل : 30 espèces reliées par 58 interactions GloBI sur 5 types (connectance 7.4%, filtre Serrano α=0.2). 10 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°
16,6°C
Annual rain
789mm
Moisture idx (CMI)
-0,43
Runoff
305mm/an
PET
1 383mm
AET
595mm
Mean slope
12,9°
Water table
611cm
Forest
0%
Crops
64%
Urban
15%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)