Ontologia

HydroBASINS lev08 watershed · #1080566730

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 : Bourem, Gao

Pfafstetter: 14277120

Sub-basin area

915km²

Upstream area

915,2km²

Discharge

0,9m³/s

Mean elev.

297m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Gao
    Gao · Mali
    665.6 km²
    73.0% of basin
  • Bourem
    Gao · Mali
    246.3 km²
    27.0% of basin

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

Species present

32 distinct species · 44 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

0 obs · 0 cellules

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Hydroclimate (BasinATLAS lev08)

Mean T°

29,5°C

Annual rain

180mm

Moisture idx (CMI)

-0,92

Runoff

12mm/an

PET

2 147mm

AET

148mm

Mean slope

0,6°

Water table

259cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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