HydroBASINS lev08 watershed · #5080090840
Bassin de Arrowsmith 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 5 administrative regions : Carnamah, Coorow, Dandaragan, Irwin, Three Springs
Sub-basin area
3 905,1km²
Upstream area
3 905,1km²
Discharge
4,1m³/s
Mean elev.
119m
Administrative coverage
5 dept-equivalent regions (GADM L2)
- 1072.9 km²27.5% of basin
- 1006.4 km²25.8% of basin
- 961.1 km²24.6% of basin
- 556.5 km²14.3% of basin
- 303.7 km²7.8% of basin
30 intersecting protected areas
Beekeepers
IUCN IaNature Reserve
517.92 km² overlap
Lesueur
IUCN IINational Park
231.08 km² overlap
South Eneabba
IUCN IaNature Reserve
64.04 km² overlap
Yardanogo
IUCN IaNature Reserve
59.38 km² overlap
Lake Logue
IUCN IaNature Reserve
50.48 km² overlap
Unnamed WA39744
IUCN IaNature Reserve
43.99 km² overlap
Drovers Cave
IUCN IINational Park
25.27 km² overlap
Stockyard Gully Reserve
IUCN II5(1)(g) Reserve
13.85 km² overlap
South Eneabba
IUCN IaNature Reserve
11.79 km² overlap
21 more protected areassorted by overlap area
Wilson
IUCN IaNature Reserve
10.63 km² overlap
Wotto
IUCN IaNature Reserve
5.73 km² overlap
Unnamed WA35593
IUCN VI5(1)(g) Reserve
3.48 km² overlap
Unnamed WA48717
IUCN IIConservation Park
2.91 km² overlap
Unnamed WA12705
IUCN IaNature Reserve
2.14 km² overlap
Unnamed WA48098
IUCN IaNature Reserve
2.09 km² overlap
Dookanooka
IUCN IaNature Reserve
1.92 km² overlap
White Gums
IUCN IaNature Reserve
1.60 km² overlap
Unnamed WA25495
IUCN IaNature Reserve
1.42 km² overlap
Unnamed WA46982
IUCN VI5(1)(h) Reserve
0.82 km² overlap
Unnamed WA26001
IUCN IaNature Reserve
0.78 km² overlap
Unnamed WA42030
IUCN VI5(1)(g) Reserve
0.78 km² overlap
Unnamed WA47436
IUCN IaNature Reserve
0.65 km² overlap
Unnamed WA26125
IUCN IaNature Reserve
0.64 km² overlap
Depot Hill
IUCN IaNature Reserve
0.63 km² overlap
Sweetman
IUCN IaNature Reserve
0.62 km² overlap
Unnamed WA35594
IUCN IaNature Reserve
0.55 km² overlap
Unnamed WA42481
IUCN IaNature Reserve
0.32 km² overlap
Conservation Covenant
0.23 km² overlap
Conservation Covenant
0.20 km² overlap
Unnamed WA33287
IUCN IaNature Reserve
0.15 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 128 distinct species · 57 613 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Arrowsmith River : 26 espèces reliées par 40 interactions GloBI sur 4 types (connectance 6.0%, filtre Serrano α=0.2). 11 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°
19,8°C
Annual rain
498mm
Moisture idx (CMI)
-0,68
Runoff
53mm/an
PET
1 574mm
AET
422mm
Mean slope
1,3°
Water table
421cm
Forest
14%
Crops
37%
Urban
0%
Protected
27%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)