HydroBASINS lev08 watershed · #7080014450
Bassin de South Fork Coos 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 : Coos, Douglas
Sub-basin area
1 924,9km²
Upstream area
1 924,9km²
Discharge
0,21m³/s
Mean elev.
263m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- Coos1503.4 km²78.0% of basin
- Douglas388.8 km²20.2% of basin
13 intersecting protected areas
Marine Protected Area
19.34 km² overlap
National Wildlife Refuge
12.05 km² overlap
Tenmile Creek
IUCN IaResearch Natural Area
5.42 km² overlap
Cape Arago Research Reserve
IUCN IVMarine Protected Area
0.85 km² overlap
Matson Creek
IUCN VWetlands Preserve
0.79 km² overlap
Golden And Silver Falls
IUCN VState Natural Area
0.59 km² overlap
Reserve Program
0.46 km² overlap
State Natural Area
0.44 km² overlap
Davis Slough
IUCN Not AssignedNON TRUST
0.25 km² overlap
4 more protected areassorted by overlap area
Marine Protected Area
0.14 km² overlap
Yoakam Point
IUCN VState Natural Site
0.11 km² overlap
Oregon Islands
IUCN IVNational Wildlife Refuge
0.05 km² overlap
Bastendorff
IUCN VPrivate Conservation
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 678 distinct species · 245 920 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 South Fork Coos River : 25 espèces reliées par 72 interactions GloBI sur 3 types (connectance 11.4%, filtre Serrano α=0.2). 11 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 621mm
Moisture idx (CMI)
0,44
Runoff
1 232mm/an
PET
900mm
AET
641mm
Mean slope
12,8°
Water table
379cm
Forest
96%
Crops
1%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)