Ontologia

HydroBASINS lev08 watershed · #1080625980

Bassin · #1080625980

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 : Ouallam

Pfafstetter: 14271867

Sub-basin area

213km²

Upstream area

1 640,7km²

Discharge

0,73m³/s

Mean elev.

285m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

  • Ouallam
    Tillabéry · Niger
    212.2 km²
    100.0% of basin

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

Species present

6 distinct species · 6 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 obs · 1 cellules
Obs. / cellule
≥ 6
6–5
6–5
6–5
< 6

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

255mm

Moisture idx (CMI)

-0,88

Runoff

16mm/an

PET

2 119mm

AET

212mm

Mean slope

0,5°

Water table

199cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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