Ontologia

HydroBASINS lev08 watershed · #1080593590

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 : Ansongo, Gao

Pfafstetter: 14275072

Sub-basin area

364,3km²

Upstream area

364,3km²

Discharge

0,92m³/s

Mean elev.

296m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin du Niger450 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Gao
    Gao · Mali
    305.9 km²
    84.3% of basin
  • Ansongo
    Gao · Mali
    57.1 km²
    15.7% 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°

29,1°C

Annual rain

244mm

Moisture idx (CMI)

-0,88

Runoff

45mm/an

PET

2 094mm

AET

202mm

Mean slope

0,8°

Water table

329cm

Forest

0%

Crops

6%

Urban

0%

Protected

0%

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