HydroBASINS lev08 watershed · #7080008890
Bassin de Arroyo Santa María
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 : Ensenada, Mexicali
Sub-basin area
3 924,4km²
Upstream area
3 924,4km²
Discharge
0,1m³/s
Mean elev.
402m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 3854.3 km²98.3% of basin
- 0.6 km²0.0% of basin
4 intersecting protected areas
Valle de los Cirios
IUCN VIFlora and Fauna Protection Area
1376.69 km² overlap
Islands and Protected Areas of the Gulf of California
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
7.33 km² overlap
Flora and Fauna Protection Area
7.31 km² overlap
Islas del Golfo de California
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
6.85 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 728 distinct species · 14 815 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 Arroyo Santa María : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 112 interactions GloBI sur 4 types (connectance 9.9%, filtre Serrano α=0.2). 13 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°
18,9°C
Annual rain
102mm
Moisture idx (CMI)
-0,94
Runoff
23mm/an
PET
1 680mm
AET
84mm
Mean slope
8,4°
Water table
821cm
Forest
0%
Crops
1%
Urban
0%
Protected
35%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)