HydroBASINS lev08 watershed · #2080709760
Bassin de سفیدرود - قزل اوزن
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 : Tarom, Zanjan
Sub-basin area
651,5km²
Upstream area
48 930,7km²
Discharge
233,4m³/s
Mean elev.
1 407m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de سفیدرود - قزل اوزن953 km²
- Bassin de سفیدرود - قزل اوزن195 km²
2 dept-equivalent regions (GADM L2)
- 523.4 km²80.3% of basin
- 128.3 km²19.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
78 distinct species · 248 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 سفیدرود - قزل اوزن : 33 espèces reliées par 45 interactions GloBI sur 4 types (connectance 6.4%, filtre Serrano α=0.2). 5 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°
12,1°C
Annual rain
471mm
Moisture idx (CMI)
-0,61
Runoff
168mm/an
PET
1 195mm
AET
401mm
Mean slope
16,7°
Water table
655cm
Forest
0%
Crops
16%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)