HydroBASINS lev08 watershed · #7080757770
Bassin de West Fork San Jacinto River
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 : Harris, Montgomery
Sub-basin area
93,5km²
Upstream area
4 677km²
Discharge
47,83m³/s
Mean elev.
26m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Cypress Creek1996 km²
- Bassin de West Fork San Jacinto River460 km²
2 dept-equivalent regions (GADM L2)
- Harris92.3 km²98.8% of basin
- Montgomery1.1 km²1.2% of basin
1 intersecting protected areas
San Jacinto
IUCN VPark
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 810 distinct species · 80 809 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 West Fork San Jacinto River : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2). 15 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°
20,1°C
Annual rain
1 250mm
Moisture idx (CMI)
-0,12
Runoff
483mm/an
PET
1 417mm
AET
1 057mm
Mean slope
0,6°
Water table
27cm
Forest
67%
Crops
4%
Urban
65%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)