HydroBASINS lev08 watershed · #7080457990
Bassin de North Umpqua 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 : Douglas
Sub-basin area
61,5km²
Upstream area
2 606,5km²
Discharge
74,8m³/s
Mean elev.
461m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rock Creek254 km²
- Bassin de North Umpqua River207 km²
1 dept-equivalent regions (GADM L2)
- Douglas61.7 km²100.0% of basin
1 intersecting protected areas
North Umpqua River
IUCN VDesignated - Recreational
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
300 distinct species · 1 170 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 North Umpqua River : 26 espèces reliées par 104 interactions GloBI sur 4 types (connectance 14.8%, 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°
10,5°C
Annual rain
1 363mm
Moisture idx (CMI)
0,20
Runoff
780mm/an
PET
1 075mm
AET
669mm
Mean slope
12,2°
Water table
398cm
Forest
56%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)