Ontologia

HydroBASINS lev08 watershed · #1080610860

Bassin · #1080610860

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: 14275040

Sub-basin area

2 269,7km²

Upstream area

2 269,7km²

Discharge

2,28m³/s

Mean elev.

298m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin du Niger823 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

  • Ansongo
    Gao · Mali
    2261.8 km²
    100.0% of basin

1 intersecting protected areas

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

Species present

21 distinct species · 35 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

35 obs · 5 cellules
Obs. / cellule
≥ 17
17–16
11–16
4–10
< 4

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

245mm

Moisture idx (CMI)

-0,88

Runoff

32mm/an

PET

2 087mm

AET

204mm

Mean slope

0,6°

Water table

231cm

Forest

0%

Crops

2%

Urban

0%

Protected

56%

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