HydroBASINS lev08 watershed · #7080002350
Bassin de Río Negro
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 20 administrative regions across 2 countries : Achuapa, Choluteca, Cinco Pinos, Concepción de Maria, Condega +15
Sub-basin area
2 494,1km²
Upstream area
2 494,1km²
Discharge
0,65m³/s
Mean elev.
357m
Administrative coverage
20 dept-equivalent regions (GADM L2)
- San Juan de LimayEstelí · Nicaragua501.9 km²20.2% of basin
- 394.5 km²15.9% of basin
- El TriunfoCholuteca · Honduras299.4 km²12.1% of basin
- 188.1 km²7.6% of basin
- Concepción de MariaCholuteca · Honduras161.5 km²6.5% of basin
- San Marcos de ColónCholuteca · Honduras157.4 km²6.3% of basin
- 123.4 km²5.0% of basin
- San Pedro del NorteChinandega · Nicaragua119.5 km²4.8% of basin
12 moreFull L2 list
- San Francisco del Norte119.0 km² · 4.8%
- Cinco Pinos81.4 km² · 3.3%
- Villanueva72.5 km² · 2.9%
- Namasigue65.1 km² · 2.6%
- San José de Cusmapa61.2 km² · 2.5%
- Achuapa40.4 km² · 1.6%
- Pueblo Nuevo31.7 km² · 1.3%
- Estelí28.8 km² · 1.2%
- Puerto Morazán25.8 km² · 1.0%
- Las Sabanas2.8 km² · 0.1%
- Santa Ana de Yusguare0.2 km² · 0.0%
- Condega0.0 km² · 0.0%
10 intersecting protected areas
Sistema de Humedales de la Zona Sur de Honduras
IUCN Not ReportedWetland of International Importance (Ramsar Site)
138.67 km² overlap
Delta Estero Real
IUCN IVNature Reserve
133.56 km² overlap
Wetland of International Importance (Ramsar Site)
133.56 km² overlap
Montaña La Botija
IUCN VIMultiple Use Area
94.17 km² overlap
San Bernardo
IUCN IVHabitat/Species Management Area
76.95 km² overlap
La Berberia
IUCN IVHabitat/Species Management Area
56.95 km² overlap
Tepesomoto – Pataste
IUCN IVNature Reserve
43.81 km² overlap
Cerro Quiabuc – Las Brisas
IUCN IVNature Reserve
39.22 km² overlap
El Guanacaure
IUCN VIMultiple Use Area
5.85 km² overlap
1 more protected areassorted by overlap area
El Jicarito
IUCN IVHabitat/Species Management Area
4.77 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 427 distinct species · 30 643 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 Negro : 22 espèces reliées par 41 interactions GloBI sur 2 types (connectance 8.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
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 660mm
Moisture idx (CMI)
-0,08
Runoff
709mm/an
PET
1 801mm
AET
1 128mm
Mean slope
7,7°
Water table
295cm
Forest
16%
Crops
41%
Urban
2%
Protected
15%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)