HydroBASINS lev08 watershed · #7080002750
Bassin de Río Jalponga
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 9 administrative regions : El Rosario, Guadalupe, San Juan Nonualco, San Luis La Herradura, San Pedro Nonualco +4
Sub-basin area
554km²
Upstream area
554,1km²
Discharge
15,83m³/s
Mean elev.
174m
Administrative coverage
9 dept-equivalent regions (GADM L2)
- 213.0 km²38.6% of basin
- 135.3 km²24.5% of basin
- 66.1 km²12.0% of basin
- 59.3 km²10.7% of basin
- 24.9 km²4.5% of basin
- TecolucaSan Vicente · El Salvador19.2 km²3.5% of basin
- 16.8 km²3.0% of basin
- El Rosario15.4 km²2.8% of basin
1 moreFull L2 list
- Guadalupe1.1 km² · 0.2%
4 intersecting protected areas
Complejo Jaltepeque
IUCN Not ReportedWetland of International Importance (Ramsar Site)
143.85 km² overlap
El Astillero
IUCN Not ReportedProtection and Restoration Area
2.66 km² overlap
Laguna de Nahualapa
IUCN Not ReportedNatural Protected Area
0.45 km² overlap
Isla Tasajera
IUCN Not ReportedNatural Area
0.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
585 distinct species · 16 590 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 Jalponga : 25 espèces + 3 bulles famille, 17 interactions GloBI documentées sur 3 types (connectance 4.5%, filtre Serrano α=0.2). Les 3 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°
25,4°C
Annual rain
1 853mm
Moisture idx (CMI)
0,01
Runoff
901mm/an
PET
1 829mm
AET
1 153mm
Mean slope
3,0°
Water table
73cm
Forest
79%
Crops
28%
Urban
13%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)