HydroBASINS lev08 watershed · #5080589540
Bassin de Blackwood 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 2 administrative regions : Donnybrook-Balingup, Nannup
Sub-basin area
419,1km²
Upstream area
19 492km²
Discharge
0m³/s
Mean elev.
217m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Blackwood River3137 km²
- Bassin de Balingup Brook592 km²
2 dept-equivalent regions (GADM L2)
- 392.5 km²93.7% of basin
- 26.5 km²6.3% of basin
7 intersecting protected areas
Powlalup
IUCN IaNature Reserve
0.63 km² overlap
Conservation Covenant
0.40 km² overlap
Unnamed WA03412
IUCN IV5(1)(g) Reserve
0.23 km² overlap
Unnamed WA22482
IUCN II5(1)(h) Reserve
0.09 km² overlap
Conservation Covenant
0.09 km² overlap
Unnamed WA25274
IUCN VI5(1)(h) Reserve
0.02 km² overlap
Unnamed WA24647
IUCN VI5(1)(h) Reserve
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 108 distinct species · 15 770 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Blackwood River : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 4 types (connectance 5.4%, filtre Serrano α=0.2). 9 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°
15,0°C
Annual rain
957mm
Moisture idx (CMI)
-0,22
Runoff
433mm/an
PET
1 235mm
AET
680mm
Mean slope
5,1°
Water table
297cm
Forest
96%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)