HydroBASINS lev08 watershed · #1080620310
Bassin · #1080620310
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 3 administrative regions : Batha Est, Biltine, Fitri
Sub-basin area
1 065km²
Upstream area
1 065km²
Discharge
0,08m³/s
Mean elev.
400m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 497.7 km²46.9% of basin
- 495.1 km²46.7% of basin
- 68.4 km²6.4% of basin
1 intersecting protected areas
Ouadi Rimé-Ouadi Achim
IUCN IVFaunal Reserve
1061.16 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
82 distinct species · 209 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 · #1080620310 : 19 espèces reliées par 17 interactions GloBI sur 2 types (connectance 8.9%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
29,5°C
Annual rain
175mm
Moisture idx (CMI)
-0,92
Runoff
4mm/an
PET
2 206mm
AET
144mm
Mean slope
0,1°
Water table
23cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)