HydroBASINS lev08 watershed · #7080883180
Bassin de Río Sardinal
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 3 administrative regions : Alajuela, Río Cuarto, Sarapiquí
Sub-basin area
322,9km²
Upstream area
2 286km²
Discharge
174,96m³/s
Mean elev.
77m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Sarapiquí847 km²
- Bassin de Río Sucio268 km²
3 dept-equivalent regions (GADM L2)
- SarapiquíHeredia · Costa Rica302.2 km²94.0% of basin
- AlajuelaAlajuela · Costa Rica12.0 km²3.7% of basin
- Río CuartoAlajuela · Costa Rica7.4 km²2.3% of basin
4 intersecting protected areas
Agua y Paz
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
285.19 km² overlap
Cordillera Volcánica Central
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
33.26 km² overlap
Lapa Verde
IUCN VINational Wildlife Refuge
4.28 km² overlap
Tapiria
IUCN VINational Wildlife Refuge
1.30 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 842 distinct species · 24 920 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 Sardinal : 22 espèces reliées par 22 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 5 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°
25,8°C
Annual rain
3 921mm
Moisture idx (CMI)
0,60
Runoff
2 430mm/an
PET
1 566mm
AET
1 559mm
Mean slope
2,0°
Water table
70cm
Forest
82%
Crops
5%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)