HydroBASINS lev08 watershed · #7080609060
Bassin de Stevenson 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 2 administrative regions : Fresno, Madera
Sub-basin area
260km²
Upstream area
3 345km²
Discharge
32,92m³/s
Mean elev.
1 382m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de San Joaquin River702 km²
- Bassin de Big Creek341 km²
2 dept-equivalent regions (GADM L2)
- 203.5 km²78.3% of basin
- 56.5 km²21.7% of basin
1 intersecting protected areas
Kinsman Flat
IUCN VWildlife Area
1.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 305 distinct species · 38 032 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Stevenson Creek : 38 espèces reliées par 90 interactions GloBI sur 4 types (connectance 7.3%, 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°
11,3°C
Annual rain
866mm
Moisture idx (CMI)
-0,26
Runoff
347mm/an
PET
1 194mm
AET
595mm
Mean slope
12,9°
Water table
515cm
Forest
100%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)