HydroBASINS lev08 watershed · #7080408570
Bassin de Moreau 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 : Dewey, Ziebach
Sub-basin area
373,3km²
Upstream area
10 653,6km²
Discharge
13,33m³/s
Mean elev.
677m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Moreau River639 km²
- Bassin de Moreau River583 km²
2 dept-equivalent regions (GADM L2)
- Dewey287.8 km²76.9% of basin
- 86.4 km²23.1% of basin
1 intersecting protected areas
Conservation Easement
0.61 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
87 distinct species · 527 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 Moreau River : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 57 interactions GloBI sur 3 types (connectance 14.0%, filtre Serrano α=0.2). 6 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°
6,8°C
Annual rain
430mm
Moisture idx (CMI)
-0,57
Runoff
68mm/an
PET
996mm
AET
374mm
Mean slope
1,8°
Water table
326cm
Forest
1%
Crops
20%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)