Ontologia

HydroBASINS lev08 watershed · #1080552480

Bassin · #1080552480

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 : Bourem, Gao, Gourma-Rharous

Pfafstetter: 14277172

Sub-basin area

603,4km²

Upstream area

603,5km²

Discharge

0,89m³/s

Mean elev.

304m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin du Niger18 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

  • Gourma-Rharous
    Timbuktu · Mali
    342.9 km²
    57.0% of basin
  • Bourem
    Gao · Mali
    229.3 km²
    38.1% of basin
  • Gao
    Gao · Mali
    29.2 km²
    4.9% of basin

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

7 distinct species · 15 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 obs · 7 cellules
Obs. / cellule
≥ 6
6–5
2–5
1–1
< 1

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydroclimate (BasinATLAS lev08)

Mean T°

29,3°C

Annual rain

172mm

Moisture idx (CMI)

-0,92

Runoff

16mm/an

PET

2 149mm

AET

142mm

Mean slope

1,0°

Water table

317cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)