HydroBASINS lev08 watershed · #2080756210
Bassin de رود گاماسیاب
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 : Dalfan, Harsin, Kermanshah, Sahneh
Sub-basin area
696,7km²
Upstream area
11 549,2km²
Discharge
75,89m³/s
Mean elev.
1 599m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de دینورآب2192 km²
- Bassin de رود گاماسیاب851 km²
4 dept-equivalent regions (GADM L2)
- 340.7 km²48.9% of basin
- 190.2 km²27.3% of basin
- 150.9 km²21.7% of basin
- KermanshahKermanshah · Iran14.8 km²2.1% of basin
1 intersecting protected areas
Bisotun
IUCN VProtected Area
63.32 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
218 distinct species · 475 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 رود گاماسیاب : 33 espèces reliées par 75 interactions GloBI sur 4 types (connectance 10.7%, 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°
12,7°C
Annual rain
434mm
Moisture idx (CMI)
-0,69
Runoff
220mm/an
PET
1 395mm
AET
368mm
Mean slope
9,6°
Water table
473cm
Forest
0%
Crops
31%
Urban
5%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)