HydroBASINS lev08 watershed · #2080686520
Bassin de Bahçesaray Çayı
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 6 administrative regions : Bahçesaray, Gevaş, Hizan, Merkez, Pervari +1
Sub-basin area
1 101km²
Upstream area
5 168,7km²
Discharge
71,19m³/s
Mean elev.
2 007m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mansur Deresi778 km²
- Bassin de Botan Çayı175 km²
6 dept-equivalent regions (GADM L2)
- 638.6 km²58.0% of basin
- 204.7 km²18.6% of basin
- 143.5 km²13.0% of basin
- 65.5 km²5.9% of basin
- 37.2 km²3.4% of basin
- 12.3 km²1.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
59 distinct species · 89 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 Bahçesaray Çayı : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 35 interactions GloBI sur 5 types (connectance 9.3%, filtre Serrano α=0.2). 7 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°
8,8°C
Annual rain
750mm
Moisture idx (CMI)
-0,21
Runoff
530mm/an
PET
960mm
AET
553mm
Mean slope
22,2°
Water table
752cm
Forest
0%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)