HydroBASINS lev08 watershed · #7080496180
Bassin de Dismal 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 : Hooker, Thomas
Sub-basin area
645,5km²
Upstream area
1 277km²
Discharge
1,1m³/s
Mean elev.
958m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080492840526 km²
- Bassin · #7080492580105 km²
2 dept-equivalent regions (GADM L2)
- Thomas323.7 km²50.1% of basin
- 322.8 km²49.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
497 distinct species · 4 755 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Dismal River : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 119 interactions GloBI sur 4 types (connectance 16.9%, filtre Serrano α=0.2). 14 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°
8,6°C
Annual rain
529mm
Moisture idx (CMI)
-0,53
Runoff
66mm/an
PET
1 120mm
AET
453mm
Mean slope
2,1°
Water table
305cm
Forest
5%
Crops
9%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)