HydroBASINS lev08 watershed · #7080580540
Bassin de Dry Walnut 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 : Barton
Sub-basin area
11,5km²
Upstream area
4 795,8km²
Discharge
4,74m³/s
Mean elev.
567m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Walnut Creek2053 km²
- Bassin de Dry Walnut Creek346 km²
1 dept-equivalent regions (GADM L2)
- 11.5 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
349 distinct species · 5 875 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Dry Walnut Creek : 30 espèces reliées par 95 interactions GloBI sur 4 types (connectance 14.3%, filtre Serrano α=0.2). 7 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°
13,2°C
Annual rain
651mm
Moisture idx (CMI)
-0,48
Runoff
71mm/an
PET
1 259mm
AET
553mm
Mean slope
0,2°
Water table
17cm
Forest
0%
Crops
99%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)