Ontologia

HydroBASINS lev08 watershed · #2080568860

Bassin du Tarn

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 : Aveyron, Lozère

Pfafstetter: 23214907

Sub-basin area

240,4km²

Upstream area

1 408,3km²

Discharge

30,62m³/s

Mean elev.

678m

Administrative coverage

Computing spatial overlaps (territories, protected areas)…

Species present

Computing species observations from GBIF…

Densité d'observations

31 694 obs · 7 cellules
Obs. / cellule
≥ 9 012
9 012–9 011
6 332–9 011
3 897–6 331
< 3 897

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~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°

11,2°C

Annual rain

744mm

Moisture idx (CMI)

-0,22

Runoff

535mm/an

PET

957mm

AET

626mm

Mean slope

10,8°

Water table

388cm

Forest

61%

Crops

12%

Urban

3%

Protected

98%

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