Ontologia

HydroBASINS lev08 watershed · #1080551410

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: 14277179

Sub-basin area

582km²

Upstream area

414 588,6km²

Discharge

546,55m³/s

Mean elev.

281m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Gourma-Rharous
    317.8 km²
    54.8% of basin
  • Bourem
    Gao · Mali
    262.2 km²
    45.2% of basin

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

Species present

7 distinct species · 68 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

68 obs · 10 cellules
Obs. / cellule
≥ 37
37–36
6–36
3–5
< 3

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

163mm

Moisture idx (CMI)

-0,92

Runoff

37mm/an

PET

2 161mm

AET

134mm

Mean slope

0,7°

Water table

188cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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