HydroBASINS lev08 watershed · #7080874200
Bassin de Río Ostúa
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 : Agua Blanca, Asunción Mita, El Progreso, Jalapa, Jutiapa +4
Sub-basin area
440,1km²
Upstream area
955km²
Discharge
16,18m³/s
Mean elev.
966m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Ostúa333 km²
- Bassin de Riachuelo Quintanilla181 km²
9 dept-equivalent regions (GADM L2)
- Santa Catarina MitaJutiapa · Guatemala164.9 km²37.6% of basin
- Asunción MitaJutiapa · Guatemala80.6 km²18.4% of basin
- San Manuel ChaparrónJalapa · Guatemala77.9 km²17.8% of basin
- 63.4 km²14.5% of basin
- San Pedro PinulaJalapa · Guatemala40.9 km²9.3% of basin
- 8.7 km²2.0% of basin
- 1.5 km²0.3% of basin
- Agua BlancaJutiapa · Guatemala0.4 km²0.1% of basin
1 moreFull L2 list
- El Progreso0.2 km² · 0.0%
2 intersecting protected areas
Volcán de Suchitán
IUCN IVRegional Park and Natural Recreational Area
16.05 km² overlap
Volcán Ixtepeque
IUCN IbPermanent closure zone
3.56 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
443 distinct species · 1 833 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Ostúa : 26 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 13 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°
22,6°C
Annual rain
1 140mm
Moisture idx (CMI)
-0,28
Runoff
561mm/an
PET
1 599mm
AET
904mm
Mean slope
7,7°
Water table
271cm
Forest
5%
Crops
60%
Urban
3%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)