Ontologia

HydroBASINS lev08 watershed · #1080630670

Bassin · #1080630670

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 : Filingué, Ouallam

Pfafstetter: 14262150

Sub-basin area

1 001,4km²

Upstream area

37 846,8km²

Discharge

0m³/s

Mean elev.

269m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Ouallam
    Tillabéry · Niger
    901.9 km²
    90.4% of basin
  • Filingué
    Tillabéry · Niger
    95.9 km²
    9.6% of basin

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

Species present

39 distinct species · 40 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

40 obs · 3 cellules
Obs. / cellule
≥ 29
29–28
29–28
9–28
< 9

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°

29,4°C

Annual rain

315mm

Moisture idx (CMI)

-0,85

Runoff

2mm/an

PET

2 129mm

AET

263mm

Mean slope

0,4°

Water table

204cm

Forest

0%

Crops

13%

Urban

0%

Protected

0%

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