HydroBASINS lev08 watershed · #2080733440
Bassin de رودخانه شادچای
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 5 administrative regions : Eslamshahr, Rey, Robatkarim, Shahriyar, Theran
Sub-basin area
291,4km²
Upstream area
1 768,9km²
Discharge
14,02m³/s
Mean elev.
1 069m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de رودخانه کرج1203 km²
- Bassin de کانال آب چیتگر275 km²
5 dept-equivalent regions (GADM L2)
- 152.8 km²52.4% of basin
- 73.9 km²25.4% of basin
- 34.6 km²11.9% of basin
- 15.6 km²5.3% of basin
- 14.5 km²5.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
235 distinct species · 4 100 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 رودخانه شادچای : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 2 types (connectance 14.5%, filtre Serrano α=0.2). 8 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°
16,4°C
Annual rain
214mm
Moisture idx (CMI)
-0,85
Runoff
146mm/an
PET
1 400mm
AET
183mm
Mean slope
1,0°
Water table
211cm
Forest
2%
Crops
26%
Urban
49%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)