HydroBASINS lev08 watershed · #6080017800
Bassin de Arroyo La Tigra
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 : General Alvarado
Sub-basin area
362,1km²
Upstream area
362,1km²
Discharge
0,04m³/s
Mean elev.
54m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 360.0 km²99.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
225 distinct species · 2 139 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 La Tigra : 23 espèces reliées par 49 interactions GloBI sur 3 types (connectance 9.3%, filtre Serrano α=0.2). 10 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°
13,5°C
Annual rain
847mm
Moisture idx (CMI)
-0,24
Runoff
333mm/an
PET
1 119mm
AET
720mm
Mean slope
0,4°
Water table
37cm
Forest
3%
Crops
57%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)