HydroBASINS lev08 watershed · #7080864870
Bassin de Río Grijalva
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 6 administrative regions : La Concordia, Pijijiapan, Tonalá, Venustiano Carranza, Villa Corzo +1
Sub-basin area
1 798,5km²
Upstream area
1 798,5km²
Discharge
41,36m³/s
Mean elev.
842m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 1515.7 km²84.6% of basin
- 242.9 km²13.6% of basin
- 27.1 km²1.5% of basin
- 5.8 km²0.3% of basin
- 0.8 km²0.0% of basin
- 0.0 km²0.0% of basin
10 intersecting protected areas
Natural Resources Protection Area
704.59 km² overlap
El Triunfo
IUCN IaBiosphere Reserve
88.22 km² overlap
El Triunfo
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
88.22 km² overlap
El Bosque
IUCN Not ReportedCity Park
0.03 km² overlap
San Marcos
IUCN Not ReportedCity Park
0.01 km² overlap
Los Amates
IUCN Not ReportedCity Park
0.01 km² overlap
El Potrero
IUCN Not ReportedCity Park
0.01 km² overlap
Mirador
IUCN Not ReportedCity Park
0.01 km² overlap
Manuel Ávila Camacho
IUCN Not ReportedCity Park
0.01 km² overlap
1 more protected areassorted by overlap area
Loma Bonita
IUCN Not ReportedCity Park
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 019 distinct species · 12 190 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 de Río Grijalva : 28 espèces reliées par 43 interactions GloBI sur 4 types (connectance 6.5%, filtre Serrano α=0.2). 9 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°
22,9°C
Annual rain
1 589mm
Moisture idx (CMI)
-0,13
Runoff
719mm/an
PET
1 823mm
AET
1 090mm
Mean slope
11,5°
Water table
489cm
Forest
34%
Crops
21%
Urban
1%
Protected
39%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)