Ontologia

HydroBASINS lev08 watershed · #1080974030

Bassin du Niger

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 7 administrative regions : Anambra East, Anambra West, Aniocha North, Aniocha South, Ibaji +2

Pfafstetter: 14210030

Sub-basin area

643,3km²

Upstream area

2 081 150,9km²

Discharge

6 057,39m³/s

Mean elev.

78m

Administrative coverage

Computing spatial overlaps (territories, protected areas)…

Species present

Computing species observations from GBIF…

Densité d'observations

0 obs · 0 cellules

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~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°

26,9°C

Annual rain

1 707mm

Moisture idx (CMI)

0,04

Runoff

1 182mm/an

PET

1 637mm

AET

1 125mm

Mean slope

1,2°

Water table

68cm

Forest

24%

Crops

86%

Urban

30%

Protected

6%

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