Ontologia

HydroBASINS lev08 watershed · #1080617940

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 1 administrative regions : Ansongo

Pfafstetter: 14275021

Sub-basin area

310,2km²

Upstream area

3 613,8km²

Discharge

7,76m³/s

Mean elev.

264m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin du Niger1595 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

  • Ansongo
    Gao · Mali
    309.1 km²
    100.0% of basin

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

Species present

1 distinct species · 1 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 obs · 1 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°

28,9°C

Annual rain

303mm

Moisture idx (CMI)

-0,86

Runoff

49mm/an

PET

2 089mm

AET

252mm

Mean slope

0,5°

Water table

205cm

Forest

0%

Crops

16%

Urban

0%

Protected

0%

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