HydroBASINS lev08 watershed · #7080015000
Bassin de Naselle 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 : Pacific, Wahkiakum
Sub-basin area
279,6km²
Upstream area
279,6km²
Discharge
15,37m³/s
Mean elev.
207m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 272.8 km²97.3% of basin
- 7.6 km²2.7% of basin
2 intersecting protected areas
Ellsworth Creek
IUCN VNatural Resources Conservation Area
0.50 km² overlap
Willapa Divide
IUCN VNatural Area Preserve
0.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
401 distinct species · 15 154 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Naselle River : 27 espèces reliées par 83 interactions GloBI sur 5 types (connectance 11.2%, 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°
9,2°C
Annual rain
2 606mm
Moisture idx (CMI)
0,69
Runoff
1 734mm/an
PET
810mm
AET
696mm
Mean slope
10,8°
Water table
309cm
Forest
99%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)