HydroBASINS lev08 watershed · #7080875870
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 11 administrative regions across 2 countries : Arcatao, Embalse Cerron Grande, Guacotecti, Ilobasco, La Virtud +6
Sub-basin area
392,9km²
Upstream area
9 988,2km²
Discharge
227,8m³/s
Mean elev.
442m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de Río Lempa1459 km²
- Bassin de Río Sumpul981 km²
- Bassin · #708008330077 km²
11 dept-equivalent regions (GADM L2)
- 117.3 km²30.0% of basin
- 102.1 km²26.1% of basin
- 83.9 km²21.4% of basin
- Nombre de JesúsChalatenango · El Salvador30.6 km²7.8% of basin
- 22.0 km²5.6% of basin
- 15.0 km²3.8% of basin
- 10.4 km²2.7% of basin
- San Antonio de la CruzChalatenango · El Salvador6.5 km²1.7% of basin
3 moreFull L2 list
- Embalse Cerron Grande2.2 km² · 0.6%
- Arcatao0.8 km² · 0.2%
- Mapulaca0.6 km² · 0.2%
3 intersecting protected areas
Tanchecuan
IUCN Not ReportedNatural Protected Area
1.18 km² overlap
Tehuacán
IUCN VTerrestrial Protected Landscape
1.18 km² overlap
Cerro Grande
IUCN Not ReportedNatural Protected Area
0.59 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
230 distinct species · 934 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 5 bulles famille, 26 interactions GloBI documentées sur 2 types (connectance 5.6%, filtre Serrano α=0.2). Les 5 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°
24,0°C
Annual rain
2 014mm
Moisture idx (CMI)
0,11
Runoff
772mm/an
PET
1 795mm
AET
1 200mm
Mean slope
10,8°
Water table
414cm
Forest
50%
Crops
41%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)