HydroBASINS lev08 watershed · #7080853670
Bassin de Arrollo Blanco
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 3 administrative regions : Ixhuatlán del Sureste, Minatitlán, Moloacán
Sub-basin area
323,4km²
Upstream area
5 034,7km²
Discharge
161,61m³/s
Mean elev.
24m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arrollo Nexmegata1417 km²
- Bassin · #7080855140246 km²
3 dept-equivalent regions (GADM L2)
- MinatitlánVeracruz · México150.9 km²46.8% of basin
- 111.3 km²34.5% of basin
- Ixhuatlán del SuresteVeracruz · México60.2 km²18.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
175 distinct species · 317 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Arrollo Blanco : 29 espèces reliées par 37 interactions GloBI sur 4 types (connectance 5.9%, filtre Serrano α=0.2). 7 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°
25,8°C
Annual rain
2 498mm
Moisture idx (CMI)
0,36
Runoff
1 640mm/an
PET
1 591mm
AET
1 345mm
Mean slope
1,0°
Water table
42cm
Forest
43%
Crops
46%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)