Ontologia

HydroBASINS lev08 watershed · #5080286880

Bassin · #5080286880

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 : Croydon

Pfafstetter: 56292605

Sub-basin area

716,7km²

Upstream area

1 911,8km²

Discharge

9,07m³/s

Mean elev.

250m

Administrative coverage

Computing spatial overlaps (territories, protected areas)…

Species present

184 distinct species · 327 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

327 obs · 14 cellules
Obs. / cellule
≥ 93
61–92
28–60
19–27
< 19

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°

25,4°C

Annual rain

665mm

Moisture idx (CMI)

-0,66

Runoff

120mm/an

PET

1 976mm

AET

561mm

Mean slope

0,2°

Water table

46cm

Forest

4%

Crops

0%

Urban

0%

Protected

0%

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