Ontologia

HydroBASINS lev08 watershed · #1080640190

Bassin de Dioumara

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, Nara

Pfafstetter: 14697005

Sub-basin area

739,5km²

Upstream area

33 720,1km²

Discharge

5,14m³/s

Mean elev.

277m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Diéma
    Kayes · Mali
    690.8 km²
    93.8% of basin
  • Nara
    Koulikoro · Mali
    46.0 km²
    6.2% of basin

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

Species present

4 distinct species · 19 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 obs · 5 cellules
Obs. / cellule
≥ 8
8–7
4–7
4–3
< 4

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

576mm

Moisture idx (CMI)

-0,73

Runoff

20mm/an

PET

2 118mm

AET

484mm

Mean slope

0,4°

Water table

197cm

Forest

0%

Crops

5%

Urban

0%

Protected

0%

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