HydroBASINS lev08 watershed · #7080817090
Bassin de Arroyo Santa María de Atocha
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 4 administrative regions : Jaumave, Ocampo, Palmillas, Tula
Sub-basin area
425,6km²
Upstream area
425,7km²
Discharge
2,06m³/s
Mean elev.
1 094m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 201.1 km²47.4% of basin
- Ocampo196.5 km²46.3% of basin
- 26.0 km²6.1% of basin
- 0.9 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
506 distinct species · 1 119 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 de Atocha : 30 espèces reliées par 92 interactions GloBI sur 4 types (connectance 9.3%, filtre Serrano α=0.2). 15 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°
20,6°C
Annual rain
962mm
Moisture idx (CMI)
-0,42
Runoff
90mm/an
PET
1 640mm
AET
784mm
Mean slope
12,4°
Water table
501cm
Forest
62%
Crops
19%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)