Ontologia

HydroBASINS lev08 watershed · #1080551010

Bassin du Niger

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 : Bourem, Gourma-Rharous

Pfafstetter: 14277176

Sub-basin area

495,1km²

Upstream area

495,1km²

Discharge

0,58m³/s

Mean elev.

299m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin du Niger131 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Gourma-Rharous
    Timbuktu · Mali
    455.1 km²
    92.2% of basin
  • Bourem
    Gao · Mali
    38.3 km²
    7.8% of basin

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

Species present

1 distinct species · 3 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 obs · 3 cellules
Obs. / cellule
≥ 1
1–0
1–0
1–0
< 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

171mm

Moisture idx (CMI)

-0,92

Runoff

16mm/an

PET

2 152mm

AET

141mm

Mean slope

0,8°

Water table

278cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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