HydroBASINS lev08 watershed · #1080613800
Bassin de Tadiss
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 2 administrative regions : Tchighozerine, Tchin-Tabarade
Sub-basin area
7 595,4km²
Upstream area
9 443,8km²
Discharge
0m³/s
Mean elev.
494m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tadiss1272 km²
- Bassin de Tadiss576 km²
2 dept-equivalent regions (GADM L2)
- 3997.4 km²52.8% of basin
- Tchin-TabaradeTahoua · Niger3571.6 km²47.2% of basin
1 intersecting protected areas
Gadabédji Biosphere Reserve
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
278.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
268 distinct species · 787 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Tadiss : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 3 types (connectance 6.3%, filtre Serrano α=0.2). 3 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°
28,0°C
Annual rain
220mm
Moisture idx (CMI)
-0,90
Runoff
12mm/an
PET
2 110mm
AET
182mm
Mean slope
0,4°
Water table
245cm
Forest
0%
Crops
7%
Urban
0%
Protected
27%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)