HydroBASINS lev08 watershed · #7080375360
Bassin de Simcoe Creek
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 : Yakima
Sub-basin area
1 607,2km²
Upstream area
1 607,2km²
Discharge
8,76m³/s
Mean elev.
600m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 1611.3 km²100.0% of basin
2 intersecting protected areas
Toppenish
IUCN IVNational Wildlife Refuge
7.58 km² overlap
Reserve Program
0.51 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 222 distinct species · 128 569 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Simcoe Creek : 25 espèces reliées par 73 interactions GloBI sur 3 types (connectance 13.8%, filtre Serrano α=0.2). 8 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°
8,5°C
Annual rain
480mm
Moisture idx (CMI)
-0,49
Runoff
199mm/an
PET
996mm
AET
323mm
Mean slope
5,8°
Water table
428cm
Forest
34%
Crops
22%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)