HydroBASINS lev08 watershed · #7080050890
Bassin de Rio Samaria
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 9 administrative regions : Centla, Centro, Comalcalco, Cunduacán, Cárdenas +4
Sub-basin area
1 584,1km²
Upstream area
1 584,1km²
Discharge
51,11m³/s
Mean elev.
8m
Administrative coverage
9 dept-equivalent regions (GADM L2)
- 468.7 km²29.7% of basin
- 392.0 km²24.8% of basin
- 359.4 km²22.8% of basin
- 188.9 km²12.0% of basin
- 99.8 km²6.3% of basin
- 29.2 km²1.8% of basin
- 27.1 km²1.7% of basin
- 7.5 km²0.5% of basin
1 moreFull L2 list
- Reforma2.3 km² · 0.1%
1 intersecting protected areas
Río Playa
IUCN Not ReportedEcological Reserve
7.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 628 distinct species · 11 765 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Rio Samaria : 33 espèces reliées par 49 interactions GloBI sur 4 types (connectance 5.4%, 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°
26,6°C
Annual rain
1 859mm
Moisture idx (CMI)
0,06
Runoff
1 131mm/an
PET
1 738mm
AET
1 335mm
Mean slope
0,2°
Water table
6cm
Forest
32%
Crops
76%
Urban
11%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)