HydroBASINS lev08 watershed · #7080717160
Bassin de Brawley Wash
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 : Pima
Sub-basin area
799,1km²
Upstream area
2 233,2km²
Discharge
1,27m³/s
Mean elev.
972m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Altar Wash532 km²
- Bassin de Solano Wash129 km²
1 dept-equivalent regions (GADM L2)
- 798.6 km²100.0% of basin
4 intersecting protected areas
Coyote Mountains
IUCN IbWilderness Area
15.41 km² overlap
Ironwood Forest
IUCN VNational Monument
1.47 km² overlap
Flap 990
IUCN VEnvironmental System
0.94 km² overlap
Robles Ranch
IUCN VLocal Conservation Area
0.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 232 distinct species · 18 736 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Brawley Wash : 33 espèces reliées par 110 interactions GloBI sur 4 types (connectance 12.2%, 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°
18,5°C
Annual rain
380mm
Moisture idx (CMI)
-0,77
Runoff
19mm/an
PET
1 660mm
AET
320mm
Mean slope
3,6°
Water table
729cm
Forest
17%
Crops
1%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)