Ontologia

HydroBASINS lev08 watershed · #5080048230

Bassin de Arn River

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 1 administrative regions : Rai Coast

Coastal basinPfafstetter: 53190337

Sub-basin area

494,5km²

Upstream area

494,5km²

Discharge

7,19m³/s

Mean elev.

760m

Administrative coverage

1 dept-equivalent regions (GADM L2)

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

Species present

49 distinct species · 72 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

72 obs · 6 cellules
Obs. / cellule
≥ 45
45–44
13–44
6–12
< 6

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°

23,1°C

Annual rain

2 328mm

Moisture idx (CMI)

0,35

Runoff

1 550mm/an

PET

1 503mm

AET

1 389mm

Mean slope

16,6°

Water table

500cm

Forest

54%

Crops

6%

Urban

1%

Protected

0%

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