HydroBASINS lev08 watershed · #5080254650
Bassin de Calvert River
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 : Roper Gulf
Sub-basin area
42,7km²
Upstream area
5 682,9km²
Discharge
25,27m³/s
Mean elev.
99m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Surprise Creek807 km²
- Bassin de Calvert River275 km²
1 dept-equivalent regions (GADM L2)
- 42.6 km²100.0% of basin
1 intersecting protected areas
Pungalina
IUCN IIPrivate Nature Reserve
42.58 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
56 distinct species · 134 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Calvert River : 11 espèces reliées par 6 interactions GloBI sur 3 types (connectance 10.9%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
26,4°C
Annual rain
867mm
Moisture idx (CMI)
-0,50
Runoff
180mm/an
PET
1 731mm
AET
732mm
Mean slope
2,7°
Water table
255cm
Forest
24%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)