HydroBASINS lev08 watershed · #6080826660
Bassin de Canal San Martín
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 5 administrative regions : Capital, Guasayán, Robles, San Martín, Silípica
Sub-basin area
1 183,4km²
Upstream area
1 183,8km²
Discharge
0,46m³/s
Mean elev.
218m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- Capital771.0 km²65.2% of basin
- 293.5 km²24.8% of basin
- 69.8 km²5.9% of basin
- San Martín45.1 km²3.8% of basin
- 2.2 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
429 distinct species · 24 290 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Canal San Martín : 21 espèces reliées par 36 interactions GloBI sur 4 types (connectance 8.9%, filtre Serrano α=0.2). 8 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°
20,4°C
Annual rain
591mm
Moisture idx (CMI)
-0,65
Runoff
10mm/an
PET
1 684mm
AET
499mm
Mean slope
0,1°
Water table
50cm
Forest
22%
Crops
4%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)