Ontologia

HydroBASINS lev08 watershed · #2080509090

Bassin de la Nièvre

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 : Allier, Cher, Nièvre

Pfafstetter: 23229010

Sub-basin area

1 838,2km²

Upstream area

18 223,1km²

Discharge

177,34m³/s

Mean elev.

251m

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°

10,6°C

Annual rain

754mm

Moisture idx (CMI)

-0,13

Runoff

276mm/an

PET

868mm

AET

619mm

Mean slope

2,5°

Water table

172cm

Forest

16%

Crops

16%

Urban

2%

Protected

0%

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