HydroBASINS lev08 watershed · #7080100540
Bassin de South Seal 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 : Division No. 23
Sub-basin area
640,2km²
Upstream area
16 772,7km²
Discharge
116,06m³/s
Mean elev.
261m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de South Seal River2209 km²
- Bassin de South Seal River940 km²
1 dept-equivalent regions (GADM L2)
- 643.7 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
70 distinct species · 356 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 South Seal River : 19 espèces reliées par 41 interactions GloBI sur 2 types (connectance 11.7%, 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°
-6,7°C
Annual rain
435mm
Moisture idx (CMI)
-0,04
Runoff
332mm/an
PET
453mm
AET
352mm
Mean slope
1,2°
Water table
30cm
Forest
18%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)