Ontologia

HydroBASINS lev08 watershed · #1080619250

Bassin · #1080619250

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 across 2 countries : Ménaka, Ouallam

Pfafstetter: 14262170

Sub-basin area

2 036,6km²

Upstream area

36 464,2km²

Discharge

0m³/s

Mean elev.

278m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin · #10806306701001 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Ouallam
    Tillabéry · Niger
    1123.9 km²
    55.4% of basin
  • Ménaka
    Gao · Mali
    905.5 km²
    44.6% of basin

1 intersecting protected areas

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

Species present

2 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°

29,6°C

Annual rain

273mm

Moisture idx (CMI)

-0,87

Runoff

3mm/an

PET

2 148mm

AET

228mm

Mean slope

0,4°

Water table

181cm

Forest

0%

Crops

5%

Urban

0%

Protected

48%

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