HydroBASINS lev08 watershed · #7080002700

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 42 administrative regions across 2 countries : Alegría, Apastepeque, Berlín, Chapeltique, Chinameca +37

7% lakePfafstetter: 77114010

Sub-basin area

2 546,3km²

Upstream area

18 063,9km²

Discharge

392,69m³/s

Mean elev.

336m

Administrative coverage

Hydrographic chain

▼ Drains into

Outlet (drains to ocean / endorheic)

▲ Receives from 2 basins

Bassin de Río Torola1475 km²
Bassin de Río Lempa118 km²

42 dept-equivalent regions (GADM L2)

San Vicente
San Vicente · El Salvador
259.5 km²
10.2% of basin
Sesori
San Miguel · El Salvador
177.4 km²
7.0% of basin
Jiquilisco
Usulután · El Salvador
159.0 km²
6.3% of basin
Berlín
Usulután · El Salvador
138.4 km²
5.5% of basin
Santa Clara
San Vicente · El Salvador
128.6 km²
5.1% of basin
Apastepeque
San Vicente · El Salvador
128.3 km²
5.1% of basin
San Ildefonso
San Vicente · El Salvador
127.4 km²
5.0% of basin
Dolores
Cabañas · El Salvador
125.7 km²
5.0% of basin

34 moreFull L2 list

Tecoluca122.4 km² · 4.8%
Nuevo Edén de San Juan88.3 km² · 3.5%
San Esteban Catarina84.3 km² · 3.3%
Ciudad Barrios81.1 km² · 3.2%
Nueva Granada77.4 km² · 3.1%
Sensuntepeque73.1 km² · 2.9%
Estanzuelas73.0 km² · 2.9%
Ilobasco71.0 km² · 2.8%
Mercedes Umaña67.8 km² · 2.7%
San Sebastián66.0 km² · 2.6%
San Agustín62.9 km² · 2.5%
San Isidro60.3 km² · 2.4%
Lolotique57.9 km² · 2.3%
El Triunfo42.7 km² · 1.7%
Jucuapa36.7 km² · 1.4%
San Buenaventura35.7 km² · 1.4%
Alegría32.6 km² · 1.3%
Santiago de María20.7 km² · 0.8%
San Luis de la Reina20.5 km² · 0.8%
San Lorenzo17.9 km² · 0.7%
San Gerardo14.6 km² · 0.6%
Chinameca13.3 km² · 0.5%
Santo Domingo12.3 km² · 0.5%
Tepetitán12.1 km² · 0.5%
San Cayetano Istepeque11.4 km² · 0.5%
Nueva Guadalupe10.2 km² · 0.4%
Verapaz10.2 km² · 0.4%
Guacotecti7.4 km² · 0.3%
Guadalupe6.3 km² · 0.2%
Chapeltique1.0 km² · 0.0%
San Rafael Cedros0.8 km² · 0.0%
San Simón0.2 km² · 0.0%
San Antonio0.2 km² · 0.0%
Zacatecoluca0.1 km² · 0.0%

8 intersecting protected areas

Xiriualtique-Jiquilisco
IUCN Not Applicable
UNESCO-MAB Biosphere Reserve
134.75 km² overlap
Complejo Jaltepeque
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
63.92 km² overlap
Complejo Bahía de Jiquilisco
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
21.66 km² overlap
Nancuchiname
IUCN Not Reported
Protection and Restoration Area
9.62 km² overlap
El Tecomatal
IUCN V
Terrestrial Protected Landscape
1.27 km² overlap
San Pablo Cañales
IUCN Not Reported
Natural Protected Area
1.26 km² overlap
San Francisco Block 8
IUCN Not Reported
Natural Protected Area
0.73 km² overlap
El Tamarindo
IUCN V
Terrestrial Protected Landscape
0.20 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

2 234 distinct species · 30 259 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Río Lempa : 21 espèces reliées par 31 interactions GloBI sur 4 types (connectance 7.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.076

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

24,7°C

Annual rain

1 864mm

Moisture idx (CMI)

0,03

Runoff

780mm/an

PET

1 802mm

AET

1 152mm

Mean slope

6,8°

Water table

237cm

Forest

37%

Crops

57%

Urban

Protected

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)