HydroBASINS lev08 watershed · #5080077790
Bassin de Montagu 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 : Circular Head, Waratah/Wynyard
Sub-basin area
2 620,2km²
Upstream area
2 620,2km²
Discharge
7,92m³/s
Mean elev.
77m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 2369.8 km²90.3% of basin
- 73.0 km²2.8% of basin
30 intersecting protected areas
Hunter Island
IUCN VConservation Area
73.27 km² overlap
Three Hummock Island
IUCN IIState Reserve
71.98 km² overlap
Dip Range
IUCN VIRegional Reserve
41.12 km² overlap
Arthur-Pieman
IUCN VIConservation Area
37.51 km² overlap
Rocky Cape
IUCN IINational Park
30.94 km² overlap
Dip River
IUCN IVRegional Reserve
27.41 km² overlap
Shakespeare Hills
IUCN IVRegional Reserve
21.58 km² overlap
Bond Tier
IUCN IVRegional Reserve
18.12 km² overlap
Montagu Swamp
IUCN IVRegional Reserve
15.82 km² overlap
21 more protected areassorted by overlap area
Unnamed (Duck Bay)
IUCN VConservation Area
15.43 km² overlap
Trowutta
IUCN IVRegional Reserve
12.64 km² overlap
Montagu River
IUCN IVRegional Reserve
8.73 km² overlap
Plains Creek
IUCN IVConservation Area
8.61 km² overlap
West Point
IUCN IIIState Reserve
5.57 km² overlap
Preminghana
IUCN VIIndigenous Protected Area
5.39 km² overlap
Welcome River
IUCN IIState Reserve
4.16 km² overlap
Dismal Swamp
IUCN IVRegional Reserve
4.02 km² overlap
Detention Falls
IUCN VIConservation Area
3.24 km² overlap
Calm Bay
IUCN IIState Reserve
3.20 km² overlap
Crayfish Creek
IUCN IVRegional Reserve
3.13 km² overlap
Peggs Beach
IUCN VIConservation Area
2.96 km² overlap
Duck River
IUCN IVRegional Reserve
2.80 km² overlap
Jims Plains
IUCN IVConservation Covenant
2.80 km² overlap
Big Bay
IUCN VConservation Area
2.69 km² overlap
Duck River
IUCN VConservation Area
2.01 km² overlap
Kings Run
IUCN IaPrivate Nature Reserve
2.00 km² overlap
Montagu Beach
IUCN VConservation Area
1.91 km² overlap
Roger River
IUCN IIIState Reserve
1.81 km² overlap
Kangaroo Island
IUCN VConservation Area
1.70 km² overlap
Briant Hill
IUCN VNature Recreation Area
1.64 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 385 distinct species · 204 545 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Montagu River : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 8 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°
12,3°C
Annual rain
1 184mm
Moisture idx (CMI)
0,27
Runoff
787mm/an
PET
850mm
AET
693mm
Mean slope
2,7°
Water table
145cm
Forest
88%
Crops
1%
Urban
0%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)