HydroBASINS lev08 watershed · #7080012200
Bassin de Arroyo San Miguel
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, Playas de Rosarito
Sub-basin area
398,6km²
Upstream area
398,6km²
Discharge
0,15m³/s
Mean elev.
353m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 384.4 km²96.5% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 706 distinct species · 99 866 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 50 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 San Miguel : 38 espèces reliées par 106 interactions GloBI sur 4 types (connectance 8.0%, filtre Serrano α=0.2). 14 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°
15,8°C
Annual rain
313mm
Moisture idx (CMI)
-0,76
Runoff
58mm/an
PET
1 299mm
AET
268mm
Mean slope
8,9°
Water table
649cm
Forest
88%
Crops
6%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)