HydroBASINS lev08 watershed · #7080255370
Bassin de Shell 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 2 administrative regions : Division No. 16, Division No. 20
Sub-basin area
1 928,2km²
Upstream area
1 928,2km²
Discharge
1,79m³/s
Mean elev.
633m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 985.9 km²50.9% of basin
- 949.5 km²49.1% of basin
19 intersecting protected areas
Provincial Park
242.32 km² overlap
National Park
12.86 km² overlap
Asessippi Provincial Park
IUCN IIIProvincial Park
3.41 km² overlap
Privately Protected Area
1.88 km² overlap
Privately Protected Area
1.11 km² overlap
Privately Protected Area
0.80 km² overlap
Privately Protected Area
0.72 km² overlap
Privately Protected Area
0.64 km² overlap
NW-28-023-27 W
IUCN IVPrivate Land
0.64 km² overlap
10 more protected areassorted by overlap area
NE-29-023-27 W
IUCN IVPrivate Land
0.64 km² overlap
SE-20-023-26 W
IUCN IVPrivate Land
0.64 km² overlap
Privately Protected Area
0.62 km² overlap
SW-20-029-28 W
IUCN IVPrivate Land
0.62 km² overlap
NW-18-023-26 W
IUCN IVPrivate Land
0.60 km² overlap
Privately Protected Area
0.58 km² overlap
NE-18-023-26 W
IUCN IVPrivate Land
0.58 km² overlap
Privately Protected Area
0.50 km² overlap
SW-21-023-26 W
IUCN IVPrivate Land
0.47 km² overlap
NW-34-023-27 W
IUCN IVPrivate Land
0.16 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
785 distinct species · 6 776 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Shell River : 16 espèces reliées par 69 interactions GloBI sur 5 types (connectance 18.3%, filtre Serrano α=0.2). 12 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°
0,5°C
Annual rain
483mm
Moisture idx (CMI)
-0,30
Runoff
34mm/an
PET
694mm
AET
415mm
Mean slope
1,7°
Water table
51cm
Forest
57%
Crops
14%
Urban
0%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)