HydroBASINS lev08 watershed · #2080724440
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
267,9km²
Upstream area
3 002,6km²
Discharge
33,87m³/s
Mean elev.
1 236m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de شيوي كاني داود164 km²
- Bassin de سیوەیل29 km²
1 dept-equivalent regions (GADM L2)
- 268.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
170 distinct species · 307 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 : 26 espèces reliées par 73 interactions GloBI sur 5 types (connectance 9.4%, filtre Serrano α=0.2). 14 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°
14,8°C
Annual rain
786mm
Moisture idx (CMI)
-0,41
Runoff
314mm/an
PET
1 332mm
AET
588mm
Mean slope
16,6°
Water table
660cm
Forest
13%
Crops
37%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)