Ontologia

HydroBASINS lev08 watershed · #1080624890

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: 14695088

Sub-basin area

288,4km²

Upstream area

288,6km²

Discharge

0,27m³/s

Mean elev.

309m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Sanaba121 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Diéma
    Kayes · Mali
    192.4 km²
    67.0% of basin
  • Nioro
    Kayes · Mali
    95.0 km²
    33.0% of basin

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

Species present

12 distinct species · 20 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 obs · 3 cellules
Obs. / cellule
≥ 8
8–7
8–7
6–7
< 6

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°

27,9°C

Annual rain

533mm

Moisture idx (CMI)

-0,74

Runoff

30mm/an

PET

2 085mm

AET

448mm

Mean slope

0,2°

Water table

279cm

Forest

0%

Crops

10%

Urban

0%

Protected

0%

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