HydroBASINS lev08 watershed · #2080699140
Bassin de Büyük Dere
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 7 administrative regions : Dargeçit, Gercüş, Midyat, Nusaybin, Savur +2
Sub-basin area
1 590,7km²
Upstream area
1 590,7km²
Discharge
11,57m³/s
Mean elev.
928m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
7 dept-equivalent regions (GADM L2)
- 1130.7 km²71.0% of basin
- 149.8 km²9.4% of basin
- 144.4 km²9.1% of basin
- 135.1 km²8.5% of basin
- 17.6 km²1.1% of basin
- 8.8 km²0.6% of basin
- 5.2 km²0.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
250 distinct species · 2 828 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Büyük Dere : 18 espèces reliées par 56 interactions GloBI sur 4 types (connectance 16.0%, filtre Serrano α=0.2). 9 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°
16,8°C
Annual rain
683mm
Moisture idx (CMI)
-0,49
Runoff
252mm/an
PET
1 337mm
AET
573mm
Mean slope
5,7°
Water table
313cm
Forest
0%
Crops
21%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)