HydroBASINS lev08 watershed · #7080430400
Bassin de Snow Creek Ditch
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 : Deschutes
Sub-basin area
408,8km²
Upstream area
408,9km²
Discharge
6,05m³/s
Mean elev.
1 254m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 409.7 km²100.0% of basin
3 intersecting protected areas
Three Sisters
IUCN IbWilderness
6.62 km² overlap
Three Sisters
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
3.96 km² overlap
Designated - Scenic
0.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 030 distinct species · 44 019 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Snow Creek Ditch : 25 espèces reliées par 69 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 9 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°
6,3°C
Annual rain
618mm
Moisture idx (CMI)
-0,36
Runoff
478mm/an
PET
982mm
AET
412mm
Mean slope
4,0°
Water table
227cm
Forest
78%
Crops
5%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)