Ontologia

HydroBASINS lev08 watershed · #1080458480

Bassin de Tachdait

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 : Abeïbara, Tessalit

Pfafstetter: 14276940

Sub-basin area

1 084,5km²

Upstream area

1 084,5km²

Discharge

0,64m³/s

Mean elev.

607m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Tibeggalitn1200 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Abeïbara
    Kidal · Mali
    556.1 km²
    51.4% of basin
  • Tessalit
    Kidal · Mali
    525.2 km²
    48.6% of basin

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

Species present

7 distinct species · 20 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 obs · 5 cellules
Obs. / cellule
≥ 12
12–11
5–11
1–4
< 1

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Hydroclimate (BasinATLAS lev08)

Mean T°

27,7°C

Annual rain

77mm

Moisture idx (CMI)

-0,96

Runoff

22mm/an

PET

2 067mm

AET

61mm

Mean slope

0,9°

Water table

636cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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