HydroBASINS lev08 watershed · #7080875640
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 7 administrative regions : Candelaria de la Frontera, Masahuat, Metapán, Nueva Concepción, San Pablo Tacachico +2
Sub-basin area
421,5km²
Upstream area
4 610,7km²
Discharge
85,24m³/s
Mean elev.
498m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Lempa1402 km²
- Bassin de Río El Desagüe28 km²
7 dept-equivalent regions (GADM L2)
- TexistepequeSanta Ana · El Salvador137.5 km²32.7% of basin
- Nueva ConcepciónChalatenango · El Salvador117.5 km²28.0% of basin
- Santa AnaSanta Ana · El Salvador85.5 km²20.4% of basin
- MasahuatSanta Ana · El Salvador49.7 km²11.8% of basin
- San Pablo TacachicoLa Libertad · El Salvador29.5 km²7.0% of basin
- Candelaria de la FronteraSanta Ana · El Salvador0.3 km²0.1% of basin
- MetapánSanta Ana · El Salvador0.0 km²0.0% of basin
2 intersecting protected areas
Trifinio-Fraternidad
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
47.00 km² overlap
El Chaparrón o San Cayetano
IUCN Not ReportedProtected Area with Managed Resources
0.71 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
402 distinct species · 2 799 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 30 interactions GloBI documentées sur 3 types (connectance 5.7%, 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°
24,1°C
Annual rain
1 697mm
Moisture idx (CMI)
-0,04
Runoff
766mm/an
PET
1 776mm
AET
1 140mm
Mean slope
9,9°
Water table
393cm
Forest
3%
Crops
66%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)