HydroBASINS lev08 watershed · #5080078380
Bassin de Great Musselroe 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 4 administrative regions : Break O'Day, Dorset, Glamorgan/Spring Bay, Northern Midlands
Sub-basin area
3 979,4km²
Upstream area
3 979,4km²
Discharge
0,88m³/s
Mean elev.
198m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 1964.3 km²49.3% of basin
- 1382.7 km²34.7% of basin
- 425.3 km²10.7% of basin
- 61.6 km²1.5% of basin
30 intersecting protected areas
Mount William
IUCN IINational Park
185.90 km² overlap
Freycinet
IUCN IINational Park
168.60 km² overlap
Douglas-Apsley
IUCN IINational Park
157.23 km² overlap
Eastern Tiers
IUCN IVConservation Area
49.12 km² overlap
Mount Pearson
IUCN IIIState Reserve
45.92 km² overlap
Cygnet River
IUCN IVRegional Reserve
43.10 km² overlap
Avenue River
IUCN IVRegional Reserve
42.97 km² overlap
Buxton River
IUCN IVConservation Area
36.20 km² overlap
Bay of Fires
IUCN VIConservation Area
34.39 km² overlap
21 more protected areassorted by overlap area
Mount Victoria
IUCN IVRegional Reserve
33.99 km² overlap
Doctors Peak
IUCN IVRegional Reserve
30.40 km² overlap
Apslawn
IUCN IVRegional Reserve
28.66 km² overlap
Wye River
IUCN IIState Reserve
26.47 km² overlap
Swan River
IUCN IVRegional Reserve
25.74 km² overlap
Coles Bay
IUCN VIConservation Area
24.42 km² overlap
Moulting Lagoon
IUCN VIGame Reserve
24.21 km² overlap
Cameron
IUCN VIRegional Reserve
23.64 km² overlap
Moulting Lagoon
IUCN Not ReportedWetland of International Importance (Ramsar Site)
21.38 km² overlap
Blue Tier
IUCN IVRegional Reserve
20.68 km² overlap
Hardings Falls
IUCN IIIRegional Reserve
19.31 km² overlap
Musselroe Bay
IUCN VIConservation Area
16.08 km² overlap
Humbug Point
IUCN VNature Recreation Area
15.97 km² overlap
St Patricks Head
IUCN IIState Reserve
12.68 km² overlap
St Helens
IUCN VIConservation Area
11.82 km² overlap
Lower Marsh Creek
IUCN IVRegional Reserve
10.93 km² overlap
Little Beach
IUCN IIIState Reserve
9.37 km² overlap
German Town
IUCN IVRegional Reserve
9.35 km² overlap
Apsley Marshes
IUCN Not ReportedWetland of International Importance (Ramsar Site)
8.81 km² overlap
Cape Portland
IUCN VIPrivate Sanctuary
8.45 km² overlap
Kelvedon
IUCN IVConservation Covenant
8.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 258 distinct species · 367 125 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Great Musselroe River : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 52 interactions GloBI sur 5 types (connectance 5.5%, filtre Serrano α=0.2). 12 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°
11,9°C
Annual rain
855mm
Moisture idx (CMI)
-0,08
Runoff
272mm/an
PET
916mm
AET
657mm
Mean slope
6,6°
Water table
372cm
Forest
91%
Crops
1%
Urban
0%
Protected
33%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)