HydroBASINS lev08 watershed · #7080388770
Bassin de Jefferson 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 : Jefferson, Madison
Sub-basin area
106,3km²
Upstream area
21 520,8km²
Discharge
58,32m³/s
Mean elev.
1 469m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Jefferson River945 km²
- Bassin de Big Pipestone Creek943 km²
2 dept-equivalent regions (GADM L2)
- Madison54.8 km²51.5% of basin
- Jefferson51.7 km²48.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
239 distinct species · 4 880 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Jefferson River : 28 espèces reliées par 121 interactions GloBI sur 4 types (connectance 15.5%, 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°
5,9°C
Annual rain
299mm
Moisture idx (CMI)
-0,69
Runoff
135mm/an
PET
970mm
AET
265mm
Mean slope
6,6°
Water table
410cm
Forest
12%
Crops
20%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)