Ontologia

HydroBASINS lev08 watershed · #1080664270

Bassin · #1080664270

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 3 administrative regions : Filingué, Kollo, Ouallam

Pfafstetter: 14261069

Sub-basin area

2 365,5km²

Upstream area

2 365,9km²

Discharge

0,38m³/s

Mean elev.

271m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

  • Ouallam
    Tillabéry · Niger
    2071.8 km²
    87.9% of basin
  • Filingué
    Tillabéry · Niger
    271.2 km²
    11.5% of basin
  • Kollo
    Tillabéry · Niger
    13.9 km²
    0.6% of basin

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

Species present

3 distinct species · 25 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

25 obs · 6 cellules
Obs. / cellule
≥ 11
11–10
8–10
3–7
< 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°

29,1°C

Annual rain

378mm

Moisture idx (CMI)

-0,82

Runoff

5mm/an

PET

2 109mm

AET

317mm

Mean slope

0,7°

Water table

374cm

Forest

0%

Crops

12%

Urban

0%

Protected

0%

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