Ontologia

HydroBASINS lev08 watershed · #2080491480

Bassin de la Mayenne

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 : Maine-et-Loire, Mayenne

Pfafstetter: 23222023

Sub-basin area

880,7km²

Upstream area

4 216km²

Discharge

52,73m³/s

Mean elev.

88m

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°

11,0°C

Annual rain

709mm

Moisture idx (CMI)

-0,15

Runoff

282mm/an

PET

834mm

AET

567mm

Mean slope

1,7°

Water table

158cm

Forest

0%

Crops

56%

Urban

3%

Protected

0%

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