HydroBASINS lev08 watershed · #7080846280
Bassin · #7080846280
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 : Acula, Alvarado, Ignacio de la Llave, Ixmatlahuacan
Sub-basin area
329km²
Upstream area
4 970,9km²
Discharge
166,5m³/s
Mean elev.
5m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Hondo1640 km²
- Bassin · #708084746068 km²
4 dept-equivalent regions (GADM L2)
- Ignacio de la LlaveVeracruz · México146.9 km²44.8% of basin
- IxmatlahuacanVeracruz · México115.5 km²35.2% of basin
- 35.0 km²10.7% of basin
- 30.5 km²9.3% of basin
1 intersecting protected areas
Sistema Lagunar Alvarado
IUCN Not ReportedWetland of International Importance (Ramsar Site)
327.96 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
375 distinct species · 2 984 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 · #7080846280 : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 16 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°
26,3°C
Annual rain
1 356mm
Moisture idx (CMI)
-0,15
Runoff
1 128mm/an
PET
1 589mm
AET
1 024mm
Mean slope
0,1°
Water table
3cm
Forest
44%
Crops
19%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)