HydroBASINS lev08 watershed · #7080002600
Bassin de Río El Papayal o El Tercio
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 16 administrative regions : Alegría, Berlín, California, Jiquilisco, Jucuapa +11
Sub-basin area
861,9km²
Upstream area
861,9km²
Discharge
1,35m³/s
Mean elev.
159m
Administrative coverage
16 dept-equivalent regions (GADM L2)
- JiquiliscoUsulután · El Salvador294.7 km²34.3% of basin
- UsulutánUsulután · El Salvador149.7 km²17.4% of basin
- San DionisioUsulután · El Salvador63.3 km²7.4% of basin
- TecapánUsulután · El Salvador56.3 km²6.6% of basin
- San Francisco JavierUsulután · El Salvador43.1 km²5.0% of basin
- OzatlánUsulután · El Salvador42.9 km²5.0% of basin
- Puerto El TriunfoUsulután · El Salvador37.9 km²4.4% of basin
- Santa ElenaUsulután · El Salvador29.8 km²3.5% of basin
8 moreFull L2 list
- San Agustín28.6 km² · 3.3%
- Alegría15.9 km² · 1.8%
- California13.7 km² · 1.6%
- Santiago de María10.5 km² · 1.2%
- Berlín8.3 km² · 1.0%
- Tecoluca5.8 km² · 0.7%
- Santa María1.4 km² · 0.2%
- Jucuapa0.9 km² · 0.1%
30 intersecting protected areas
Xiriualtique-Jiquilisco
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
527.50 km² overlap
Complejo Bahía de Jiquilisco
IUCN Not ReportedWetland of International Importance (Ramsar Site)
333.47 km² overlap
Complejo Marino Costero Isla San Sebastián -Jiquilisco
IUCN Not ReportedNatural Protected Area
8.63 km² overlap
Isla San Dionisio
IUCN Not ReportedNatural Protected Area
8.17 km² overlap
Isla Tortuga
IUCN Not ReportedNatural Protected Area
4.43 km² overlap
Isla San Sebastián
IUCN Not ReportedProtection and Restoration Area
1.58 km² overlap
Isla El Botoncillo
IUCN Not ReportedNatural Protected Area
1.57 km² overlap
Las Nieves
IUCN VTerrestrial Protected Landscape
0.93 km² overlap
Chaguantique
IUCN Not ReportedHabitat Management Area
0.55 km² overlap
21 more protected areassorted by overlap area
Isla Bola de Monte 1
IUCN Not ReportedNatural Protected Area
0.47 km² overlap
Isla Los Pajaritos 1
IUCN Not ReportedNatural Protected Area
0.46 km² overlap
Isla Los Pajaritos o del Guayabo 1
IUCN Not ReportedNatural Protected Area
0.46 km² overlap
Isla El Cocodrilo 1
IUCN Not ReportedNatural Protected Area
0.39 km² overlap
Isla El Limón 1
IUCN Not ReportedNatural Protected Area
0.33 km² overlap
Isla Puerto San Juan
IUCN Not ReportedNatural Protected Area
0.21 km² overlap
Isla Monte Redondo
IUCN Not ReportedNatural Protected Area
0.21 km² overlap
Complejo Jaltepeque
IUCN Not ReportedWetland of International Importance (Ramsar Site)
0.16 km² overlap
Isla El Magueyal
IUCN Not ReportedNatural Protected Area
0.15 km² overlap
Isla La Majada
IUCN Not ReportedNatural Protected Area
0.14 km² overlap
Isla El Cartón
IUCN Not ReportedNatural Protected Area
0.14 km² overlap
Isla Pajarera o Palacio de Las Aves 1
IUCN Not ReportedNatural Protected Area
0.05 km² overlap
Isla Los Pajaritos 2
IUCN Not ReportedNatural Protected Area
0.03 km² overlap
Isla Los Pajaritos o del Guayabo 2
IUCN Not ReportedNatural Protected Area
0.03 km² overlap
Isla Punta El Recodo
IUCN Not ReportedNatural Protected Area
0.01 km² overlap
Isla El Limón 2
IUCN Not ReportedNatural Protected Area
0.01 km² overlap
Isla Punta El Limón 1
IUCN Not ReportedNatural Protected Area
0.01 km² overlap
Isla Bola de Monte 2
IUCN Not ReportedNatural Protected Area
0.01 km² overlap
Isla El Cocodrilo 2
IUCN Not ReportedNatural Protected Area
0.01 km² overlap
Isla Vuelta de Gato
IUCN Not ReportedNatural Protected Area
0.01 km² overlap
Isla Punta Bajo del Astillero
IUCN Not ReportedNatural Protected Area
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
755 distinct species · 35 820 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Río El Papayal o El Tercio : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 1 bulle famille, 20 interactions GloBI documentées sur 4 types (connectance 4.9%, filtre Serrano α=0.2). Les 1 bulle regroupe 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°
25,6°C
Annual rain
1 813mm
Moisture idx (CMI)
0,01
Runoff
795mm/an
PET
1 784mm
AET
1 129mm
Mean slope
2,9°
Water table
71cm
Forest
75%
Crops
30%
Urban
9%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)