HydroBASINS lev08 watershed · #5080078080
Bassin de Mersey 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 : Central Highlands, Devonport, Kentish, Latrobe, Meander Valley
Sub-basin area
1 783,7km²
Upstream area
1 783,7km²
Discharge
56,05m³/s
Mean elev.
601m
Administrative coverage
5 dept-equivalent regions (GADM L2)
- 1191.6 km²66.7% of basin
- 404.9 km²22.7% of basin
- 142.2 km²8.0% of basin
- 27.3 km²1.5% of basin
- 15.2 km²0.9% of basin
30 intersecting protected areas
Tasmanian Wilderness
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
640.30 km² overlap
Walls of Jerusalem
IUCN IINational Park
217.61 km² overlap
Central Plateau
IUCN VIConservation Area
184.23 km² overlap
National Park
120.58 km² overlap
Mount Roland
IUCN VIRegional Reserve
57.47 km² overlap
Great Western Tiers
IUCN VIConservation Area
46.68 km² overlap
Mole Creek Karst
IUCN IINational Park
46.52 km² overlap
Dogs Head Hill
IUCN IVRegional Reserve
16.56 km² overlap
Gog Range
IUCN VIRegional Reserve
16.48 km² overlap
21 more protected areassorted by overlap area
Alum Cliffs
IUCN IIState Reserve
16.06 km² overlap
Devils Gullet
IUCN IIState Reserve
11.23 km² overlap
Maggs Mountain
IUCN IVRegional Reserve
11.13 km² overlap
Februrary Plains
IUCN Not ReportedRegional Reserve
10.60 km² overlap
Mersey River
IUCN IVConservation Area
7.06 km² overlap
Long Hill
IUCN IVConservation Area
5.58 km² overlap
Mount Roland
IUCN VIConservation Area
3.09 km² overlap
Sensation Gorge
IUCN VIConservation Area
3.06 km² overlap
Parangana Sugarloaf
IUCN IVRegional Reserve
2.80 km² overlap
Unnamed (Sun Ridge)
IUCN IaConservation Area
2.64 km² overlap
Mersey White Water
IUCN IVRegional Reserve
2.38 km² overlap
Warrawee
IUCN IVConservation Area
2.27 km² overlap
Caroline Creek
IUCN IVRegional Reserve
2.13 km² overlap
Dasher River
IUCN VIConservation Area
1.98 km² overlap
Bonneys Tier
IUCN IVRegional Reserve
1.79 km² overlap
Lobster Rivulet
IUCN IVRegional Reserve
1.30 km² overlap
Unnamed (Mersey River)
IUCN VConservation Area
1.26 km² overlap
Arm River
IUCN IVRegional Reserve
1.25 km² overlap
Den Plain #1
IUCN IVConservation Covenant
1.24 km² overlap
Caroline Creek
IUCN IVConservation Covenant
1.17 km² overlap
Unnamed (Wet Cave)
IUCN VConservation Area
0.95 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 191 distinct species · 111 334 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Mersey River : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 52 interactions GloBI sur 4 types (connectance 9.8%, 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°
8,8°C
Annual rain
1 469mm
Moisture idx (CMI)
0,38
Runoff
933mm/an
PET
824mm
AET
699mm
Mean slope
9,0°
Water table
362cm
Forest
93%
Crops
3%
Urban
1%
Protected
40%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)