Ontologia

HydroBASINS lev08 watershed · #1080614860

Bassin · #1080614860

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: 14274403

Sub-basin area

1 507,3km²

Upstream area

3 780,9km²

Discharge

5,32m³/s

Mean elev.

288m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Ansongo
    Gao · Mali
    1487.6 km²
    99.0% of basin
  • Gao
    Gao · Mali
    14.4 km²
    1.0% of basin

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

Species present

4 distinct species · 4 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 obs · 2 cellules
Obs. / cellule
≥ 3
3–2
3–2
3–2
< 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°

29,2°C

Annual rain

276mm

Moisture idx (CMI)

-0,87

Runoff

63mm/an

PET

2 116mm

AET

230mm

Mean slope

0,5°

Water table

197cm

Forest

0%

Crops

14%

Urban

0%

Protected

0%

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