HydroBASINS lev08 watershed · #2080743600
Bassin de قنات
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 4 administrative regions : Ashtiyan, Qom, Saveh, Tafresh
Sub-basin area
1 688,9km²
Upstream area
21 771,2km²
Discharge
80,69m³/s
Mean elev.
1 470m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de قنات2203 km²
- Bassin de قره چای358 km²
4 dept-equivalent regions (GADM L2)
- 1312.7 km²77.7% of basin
- 306.8 km²18.2% of basin
- 39.2 km²2.3% of basin
- 30.0 km²1.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
68 distinct species · 171 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 قنات : 22 espèces reliées par 35 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 4 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°
14,3°C
Annual rain
200mm
Moisture idx (CMI)
-0,86
Runoff
68mm/an
PET
1 387mm
AET
171mm
Mean slope
5,1°
Water table
415cm
Forest
0%
Crops
23%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)