HydroBASINS lev08 watershed · #7080077050
Bassin de Riddle 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 : Harney
Sub-basin area
645,7km²
Upstream area
645,7km²
Discharge
0,8m³/s
Mean elev.
1 466m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 646.8 km²100.0% of basin
3 intersecting protected areas
BLM_CMPA
90.62 km² overlap
Stonehouse
IUCN IbWilderness Study Area
1.07 km² overlap
Lower Stonehouse
IUCN IbWilderness Study Area
0.80 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
478 distinct species · 10 185 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 Riddle Creek : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 110 interactions GloBI sur 4 types (connectance 17.5%, filtre Serrano α=0.2). 10 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°
6,8°C
Annual rain
290mm
Moisture idx (CMI)
-0,73
Runoff
76mm/an
PET
1 065mm
AET
253mm
Mean slope
4,4°
Water table
832cm
Forest
1%
Crops
2%
Urban
0%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)