HydroBASINS lev08 watershed · #7080870350
Bassin de Río Motagua
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 : El Estor, Estanzuela, Gualán, La Unión, Río Hondo +1
Sub-basin area
481,8km²
Upstream area
11 812,3km²
Discharge
209,66m³/s
Mean elev.
785m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Motagua1034 km²
- Bassin de Río Grande de Zacapa104 km²
6 dept-equivalent regions (GADM L2)
- 197.7 km²41.2% of basin
- 150.0 km²31.3% of basin
- 125.7 km²26.2% of basin
- 4.7 km²1.0% of basin
- 1.6 km²0.3% of basin
- EstanzuelaZacapa · Guatemala0.3 km²0.1% of basin
3 intersecting protected areas
Sierra de las Minas
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
167.82 km² overlap
La Unión
IUCN IVRegional Municipal Park
2.14 km² overlap
Portal de las Minas
IUCN VPrivate Natural Reserve
0.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
790 distinct species · 8 560 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 Río Motagua : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 11 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°
23,2°C
Annual rain
1 669mm
Moisture idx (CMI)
-0,01
Runoff
825mm/an
PET
1 575mm
AET
1 063mm
Mean slope
16,1°
Water table
484cm
Forest
12%
Crops
38%
Urban
5%
Protected
35%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)