Ontologia

HydroBASINS lev08 watershed · #1080031070

Bassin · #1080031070

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 : Annaba, Chetaibi, El Bouni, El Marsa, Oued El Aneb +2

Coastal basinPfafstetter: 15305709

Sub-basin area

359,7km²

Upstream area

359,8km²

Discharge

2,86m³/s

Mean elev.

196m

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°

17,5°C

Annual rain

800mm

Moisture idx (CMI)

-0,29

Runoff

257mm/an

PET

1 120mm

AET

614mm

Mean slope

11,2°

Water table

519cm

Forest

84%

Crops

1%

Urban

19%

Protected

0%

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