Ontologia

HydroBASINS lev08 watershed · #1080557140

Bassin · #1080557140

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 : Bourem, Gourma-Rharous, Tombouctou

EndorheicPfafstetter: 15516014

Sub-basin area

3 296,9km²

Upstream area

3 297,1km²

Discharge

5,28m³/s

Mean elev.

280m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

  • Bourem
    Gao · Mali
    2039.4 km²
    62.1% of basin
  • Tombouctou
    1132.9 km²
    34.5% of basin
  • Gourma-Rharous
    113.8 km²
    3.5% of basin

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

Species present

34 distinct species · 48 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

48 obs · 6 cellules
Obs. / cellule
≥ 30
30–29
13–29
2–12
< 2

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°

29,0°C

Annual rain

143mm

Moisture idx (CMI)

-0,93

Runoff

12mm/an

PET

2 176mm

AET

117mm

Mean slope

0,3°

Water table

46cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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