HydroBASINS lev08 watershed · #7080012000
Bassin de San Telmo
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 : Ensenada
Sub-basin area
1 414,1km²
Upstream area
1 414,1km²
Discharge
0,01m³/s
Mean elev.
521m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 1399.9 km²99.1% of basin
1 intersecting protected areas
Sierra de San Pedro Mártir
IUCN IINational Park
44.64 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 040 distinct species · 39 750 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 San Telmo : 25 espèces reliées par 117 interactions GloBI sur 4 types (connectance 13.0%, filtre Serrano α=0.2). 18 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°
15,9°C
Annual rain
266mm
Moisture idx (CMI)
-0,81
Runoff
34mm/an
PET
1 447mm
AET
224mm
Mean slope
7,3°
Water table
670cm
Forest
66%
Crops
3%
Urban
1%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)