HydroBASINS lev08 watershed · #5080078190
Bassin de Great Forester 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 : Dorset, George Town, Launceston, West Tamar
Sub-basin area
3 071,3km²
Upstream area
3 071,3km²
Discharge
3,94m³/s
Mean elev.
148m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 1816.9 km²59.1% of basin
- 653.4 km²21.2% of basin
- 537.7 km²17.5% of basin
- 0.1 km²0.0% of basin
30 intersecting protected areas
Cameron
IUCN VIRegional Reserve
77.72 km² overlap
Waterhouse
IUCN VIConservation Area
68.68 km² overlap
North Scottsdale
IUCN IVRegional Reserve
40.88 km² overlap
Lefroy
IUCN IVRegional Reserve
35.87 km² overlap
Mount Maurice
IUCN IVRegional Reserve
25.40 km² overlap
Single Tree Plain
IUCN VIConservation Area
12.95 km² overlap
Martins Hill
IUCN IVRegional Reserve
11.87 km² overlap
Mount Horror
IUCN IVRegional Reserve
11.17 km² overlap
Tamar
IUCN VConservation Area
10.50 km² overlap
21 more protected areassorted by overlap area
Mount Stronach
IUCN IVRegional Reserve
10.28 km² overlap
Prossers
IUCN IVRegional Reserve
9.47 km² overlap
Emu Ground
IUCN IVRegional Reserve
9.20 km² overlap
Tippogoree Hills
IUCN IVConservation Area
9.04 km² overlap
Boobyalla
IUCN VIConservation Area
8.45 km² overlap
Burugun - Archers Wareham
IUCN IVConservation Covenant
8.14 km² overlap
Double Sandy Point
IUCN VIConservation Area
7.59 km² overlap
Five Mile Bluff
IUCN VIConservation Area
6.45 km² overlap
Little Boobyalla River
IUCN VIConservation Area
4.90 km² overlap
Mount Arthur
IUCN IVRegional Reserve
4.29 km² overlap
Den Ranges
IUCN IVRegional Reserve
4.05 km² overlap
Oxberry Plains
IUCN IVRegional Reserve
3.24 km² overlap
Long Reach
IUCN VIPrivate Sanctuary
3.23 km² overlap
Unnamed (Pipers Brook)
IUCN VIConservation Area
3.22 km² overlap
Esmerelda Enterprises
IUCN IVConservation Covenant
2.47 km² overlap
Flood Plain Lower Ringarooma River
IUCN Not ReportedWetland of International Importance (Ramsar Site)
2.27 km² overlap
Dismal Range
IUCN IVConservation Area
2.00 km² overlap
Pipers River
IUCN IVRegional Reserve
1.95 km² overlap
Mount Direction
IUCN VHistoric Site
1.81 km² overlap
Conservation Covenant
1.67 km² overlap
Briddale
IUCN IVConservation Covenant
1.61 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 111 distinct species · 166 269 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Forester River : 29 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 4 types (connectance 7.1%, filtre Serrano α=0.2). 13 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°
12,2°C
Annual rain
939mm
Moisture idx (CMI)
-0,02
Runoff
463mm/an
PET
947mm
AET
677mm
Mean slope
4,7°
Water table
257cm
Forest
88%
Crops
5%
Urban
0%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)