HydroBASINS lev08 watershed · #5080544280
Bassin de Castlereagh 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 : Coonamble
Sub-basin area
223km²
Upstream area
8 326,5km²
Discharge
5,64m³/s
Mean elev.
198m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Baronne Creek529 km²
- Bassin de Wilber Creek94 km²
1 dept-equivalent regions (GADM L2)
- 222.8 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
248 distinct species · 985 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Castlereagh River : 14 espèces reliées par 48 interactions GloBI sur 3 types (connectance 11.8%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
18,3°C
Annual rain
545mm
Moisture idx (CMI)
-0,65
Runoff
18mm/an
PET
1 541mm
AET
461mm
Mean slope
0,1°
Water table
21cm
Forest
0%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)