HydroBASINS lev08 watershed · #5080346810
Bassin de Isaac 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 1 administrative regions : Isaac
Sub-basin area
154,8km²
Upstream area
2 823,7km²
Discharge
1,68m³/s
Mean elev.
228m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Isaac River1909 km²
- Bassin de Grosvenor Creek760 km²
1 dept-equivalent regions (GADM L2)
- 154.4 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
288 distinct species · 895 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Isaac River : 25 espèces reliées par 41 interactions GloBI sur 5 types (connectance 6.9%, filtre Serrano α=0.2). 10 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
610mm
Moisture idx (CMI)
-0,64
Runoff
41mm/an
PET
1 675mm
AET
515mm
Mean slope
1,1°
Water table
145cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)