Ontologia

HydroBASINS lev08 watershed · #1080564360

Bassin · #1080564360

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: 14276270

Sub-basin area

1 639,7km²

Upstream area

5 482,4km²

Discharge

0,89m³/s

Mean elev.

317m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Gao
    Gao · Mali
    1592.1 km²
    97.4% of basin
  • Ansongo
    Gao · Mali
    42.1 km²
    2.6% of basin

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

Species present

4 distinct species · 13 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 obs · 3 cellules
Obs. / cellule
≥ 10
10–9
10–9
2–9
< 2

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

187mm

Moisture idx (CMI)

-0,91

Runoff

33mm/an

PET

2 125mm

AET

154mm

Mean slope

0,6°

Water table

258cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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