HydroBASINS lev08 watershed · #2080642540
Bassin de Aras
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 : Horasan, Kağızman, Sarıkamış, Selim
Sub-basin area
744,2km²
Upstream area
7 799,6km²
Discharge
24,66m³/s
Mean elev.
1 990m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #2080641340140 km²
- Bassin de Aras104 km²
4 dept-equivalent regions (GADM L2)
- 710.1 km²95.3% of basin
- 31.2 km²4.2% of basin
- 2.6 km²0.4% of basin
- 1.1 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
349 distinct species · 2 984 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Aras : 21 espèces reliées par 54 interactions GloBI sur 4 types (connectance 15.4%, filtre Serrano α=0.2). 6 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°
4,6°C
Annual rain
547mm
Moisture idx (CMI)
-0,36
Runoff
105mm/an
PET
876mm
AET
468mm
Mean slope
10,9°
Water table
426cm
Forest
15%
Crops
16%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)