HydroBASINS lev08 watershed · #7080874920
Bassin de Río Lempa
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 22 administrative regions across 3 countries : Agua Caliente, Citalá, Concepción, Concepción Las Minas, Dolores Merendon +17
Sub-basin area
1 402km²
Upstream area
1 402km²
Discharge
27,26m³/s
Mean elev.
1 160m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
22 dept-equivalent regions (GADM L2)
- MetapánSanta Ana · El Salvador297.1 km²21.3% of basin
- EsquipulasChiquimula · Guatemala232.1 km²16.6% of basin
- OcotepequeOcotepeque · Honduras181.0 km²13.0% of basin
- ConcepciónOcotepeque · Honduras130.9 km²9.4% of basin
- 109.7 km²7.9% of basin
- La PalmaChalatenango · El Salvador109.7 km²7.9% of basin
- 78.5 km²5.6% of basin
- 51.9 km²3.7% of basin
14 moreFull L2 list
- Citalá48.2 km² · 3.5%
- Dolores Merendon34.0 km² · 2.4%
- Santa Rosa Guachipilín27.1 km² · 1.9%
- Quezaltepeque25.5 km² · 1.8%
- San Ignacio19.0 km² · 1.4%
- Agua Caliente15.7 km² · 1.1%
- Masahuat14.7 km² · 1.1%
- Nueva Concepción9.7 km² · 0.7%
- Concepción Las Minas7.5 km² · 0.5%
- San Jorge3.4 km² · 0.2%
- Fraternidad1.1 km² · 0.1%
- La Reina0.2 km² · 0.0%
- San Juan Ermita0.1 km² · 0.0%
- La Labor0.0 km² · 0.0%
9 intersecting protected areas
Trifinio-Fraternidad
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
536.90 km² overlap
Trifinio Fraternidad
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
120.42 km² overlap
Trifinio
IUCN VIBiosphere Reserve
94.99 km² overlap
Montecristo Trifinio
IUCN IINational Park
82.87 km² overlap
Güisayote
IUCN VIBiological Reserve
50.53 km² overlap
El Pital
IUCN IaBiological Reserve
26.57 km² overlap
Parque Nacional Montecristo
IUCN Not ReportedNational Park
6.83 km² overlap
El Pital
IUCN Not ReportedPrivate Natural Protected Area
4.63 km² overlap
Complejo Güija
IUCN Not ReportedWetland of International Importance (Ramsar Site)
0.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 461 distinct species · 58 356 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Lempa : 25 espèces + 2 bulles famille, 24 interactions GloBI documentées sur 5 types (connectance 6.8%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
20,8°C
Annual rain
1 583mm
Moisture idx (CMI)
0,02
Runoff
636mm/an
PET
1 527mm
AET
1 063mm
Mean slope
13,2°
Water table
435cm
Forest
6%
Crops
55%
Urban
3%
Protected
19%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)