Ontologia

HydroBASINS lev08 watershed · #1080821080

Bassin de Oli

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 : Baruten, Borgu, Kaiama

Pfafstetter: 14238050

Sub-basin area

451,9km²

Upstream area

5 940,8km²

Discharge

42,47m³/s

Mean elev.

275m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Oli1142 km²

▲ Receives from 2 basins

3 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Kainji Lake

    IUCN II

    National Park

    450.06 km² overlap

  • Borgu

    IUCN Not Reported

    Forest Reserve

    449.81 km² overlap

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

Species present

14 distinct species · 15 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 obs · 3 cellules
Obs. / cellule
≥ 9
9–8
9–8
5–8
< 5

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°

26,8°C

Annual rain

1 118mm

Moisture idx (CMI)

-0,41

Runoff

223mm/an

PET

1 907mm

AET

889mm

Mean slope

0,9°

Water table

89cm

Forest

91%

Crops

15%

Urban

0%

Protected

100%

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