HydroBASINS lev08 watershed · #7080882850
Bassin de Río San Juan
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 1 administrative regions : San Carlos
Sub-basin area
18,3km²
Upstream area
31 982,6km²
Discharge
461,53m³/s
Mean elev.
56m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Pocosol677 km²
- Bassin de Río San Juan57 km²
1 dept-equivalent regions (GADM L2)
- 18.3 km²100.0% of basin
2 intersecting protected areas
Reserva de Biosfera Río San Juan Nicaragua
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
18.25 km² overlap
Historical Monument
9.47 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
581 distinct species · 3 619 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 San Juan : 21 espèces reliées par 34 interactions GloBI sur 2 types (connectance 7.3%, filtre Serrano α=0.2). 10 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°
25,7°C
Annual rain
3 012mm
Moisture idx (CMI)
0,48
Runoff
1 478mm/an
PET
1 563mm
AET
1 430mm
Mean slope
2,1°
Water table
115cm
Forest
100%
Crops
5%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)