Ontologia

HydroBASINS lev08 watershed · #2080470560

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 : Mayenne, Orne

Pfafstetter: 23222029

Sub-basin area

874,2km²

Upstream area

874,5km²

Discharge

12,31m³/s

Mean elev.

205m

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°

10,0°C

Annual rain

762mm

Moisture idx (CMI)

-0,03

Runoff

452mm/an

PET

787mm

AET

569mm

Mean slope

2,3°

Water table

191cm

Forest

5%

Crops

20%

Urban

1%

Protected

72%

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