HydroBASINS lev08 watershed · #5080069220
Bassin de St Lawrence Creek
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 1 administrative regions : Isaac
Sub-basin area
349,4km²
Upstream area
349,5km²
Discharge
1,18m³/s
Mean elev.
116m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 348.6 km²100.0% of basin
2 intersecting protected areas
Great Barrier Reef Coast
IUCN VIMarine Park
2.14 km² overlap
Broad Sound
IUCN VIFish Habitat Area (A)
1.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
542 distinct species · 2 548 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 St Lawrence Creek : 25 espèces reliées par 34 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 7 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°
22,0°C
Annual rain
953mm
Moisture idx (CMI)
-0,39
Runoff
140mm/an
PET
1 562mm
AET
806mm
Mean slope
5,0°
Water table
290cm
Forest
46%
Crops
2%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)