Ontologia

HydroBASINS lev08 watershed · #1080552270

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: 14277173

Sub-basin area

354km²

Upstream area

416 804,4km²

Discharge

748,4m³/s

Mean elev.

282m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Bourem
    Gao · Mali
    204.7 km²
    58.0% of basin
  • Gourma-Rharous
    148.1 km²
    42.0% of basin

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

Species present

20 distinct species · 27 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

27 obs · 3 cellules
Obs. / cellule
≥ 15
15–14
15–14
6–14
< 6

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°

29,4°C

Annual rain

161mm

Moisture idx (CMI)

-0,93

Runoff

57mm/an

PET

2 156mm

AET

132mm

Mean slope

0,8°

Water table

219cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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