Ontologia

HydroBASINS lev08 watershed · #1080629540

Bassin de Sanaba

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 : Diéma, Nioro

Pfafstetter: 14695086

Sub-basin area

178,7km²

Upstream area

178,7km²

Discharge

0,16m³/s

Mean elev.

306m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Sanaba756 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Nioro
    Kayes · Mali
    90.4 km²
    50.8% of basin
  • Diéma
    Kayes · Mali
    87.7 km²
    49.2% of basin

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

Species present

38 distinct species · 98 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

98 obs · 5 cellules
Obs. / cellule
≥ 32
32–31
27–31
15–26
< 15

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°

27,8°C

Annual rain

570mm

Moisture idx (CMI)

-0,73

Runoff

28mm/an

PET

2 086mm

AET

480mm

Mean slope

0,4°

Water table

239cm

Forest

0%

Crops

6%

Urban

0%

Protected

0%

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