HydroBASINS lev08 watershed · #7080605060
Bassin de Delta-Mendota Canal
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 3 administrative regions : Fresno, Merced, San Benito
Sub-basin area
1 674,2km²
Upstream area
1 674,2km²
Discharge
2,45m³/s
Mean elev.
197m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 864.4 km²51.6% of basin
- 740.6 km²44.2% of basin
- 69.8 km²4.2% of basin
13 intersecting protected areas
Grasslands Wildlife Management Area 17
IUCN Not AssignedWildlife Management Area
100.63 km² overlap
San Luis
IUCN IVNational Wildlife Refuge
39.11 km² overlap
Panoche Hills North
IUCN IbWilderness Study Area
26.63 km² overlap
Los Banos
IUCN VWildlife Area
23.05 km² overlap
Panoche Hills South
IUCN IbWilderness Study Area
21.73 km² overlap
North Grasslands
IUCN VWildlife Area
15.81 km² overlap
Little Ponoche Reservoir
IUCN VWildlife Area
3.35 km² overlap
Panoche Hills
IUCN VEcological Reserve
2.35 km² overlap
Grasslands
IUCN VWildlife Management Area
1.68 km² overlap
4 more protected areassorted by overlap area
Piedra Azul Canyon
IUCN VConservation Easement
1.08 km² overlap
Reserve Program
0.55 km² overlap
Wisenor Flat
IUCN VConservation Easement
0.46 km² overlap
Wildlife Management Area
0.44 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 195 distinct species · 71 980 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Delta-Mendota Canal : 25 espèces reliées par 85 interactions GloBI sur 4 types (connectance 14.3%, 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°
16,0°C
Annual rain
242mm
Moisture idx (CMI)
-0,84
Runoff
47mm/an
PET
1 487mm
AET
205mm
Mean slope
3,2°
Water table
200cm
Forest
10%
Crops
54%
Urban
1%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)