Ontologia

HydroBASINS lev08 watershed · #2080495400

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 1 administrative regions : Maine-et-Loire

Pfafstetter: 23222021

Sub-basin area

139,1km²

Upstream area

5 843,8km²

Discharge

66,56m³/s

Mean elev.

47m

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°

11,4°C

Annual rain

661mm

Moisture idx (CMI)

-0,23

Runoff

228mm/an

PET

860mm

AET

555mm

Mean slope

1,3°

Water table

164cm

Forest

0%

Crops

51%

Urban

9%

Protected

0%

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