Ontologia

HydroBASINS lev08 watershed · #1080620710

Bassin de Béli

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 : Gourma-Rharous, Oudalan

Pfafstetter: 14274570

Sub-basin area

167,7km²

Upstream area

29 451,8km²

Discharge

24,65m³/s

Mean elev.

258m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Sahel

    IUCN IV

    Sylvo-pastoral Reserve and Partial Wildlife Reserve

    141.73 km² overlap

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

Species present

38 distinct species · 41 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

41 obs · 4 cellules
Obs. / cellule
≥ 26
26–25
12–25
12–11
< 12

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°

29,5°C

Annual rain

319mm

Moisture idx (CMI)

-0,85

Runoff

40mm/an

PET

2 138mm

AET

266mm

Mean slope

0,2°

Water table

55cm

Forest

0%

Crops

20%

Urban

0%

Protected

83%

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