Rivière· 19 segments
Río Poás
Crosses 7 administrative regions : Alajuela, Alajuelita, Aserrí, Atenas, Desamparados +2
Total length
45km
Max discharge
18,4m³/s
Max Strahler
4
Segments matched
19
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
- AlajuelaAlajuela · Costa Rica21.4 kmin this dpt
- PoásAlajuela · Costa Rica9.5 kmin this dpt
- GreciaAlajuela · Costa Rica7.2 kmin this dpt
- AserríSan José · Costa Rica4.8 kmin this dpt
- AlajuelitaSan José · Costa Rica2.0 kmin this dpt
- AtenasAlajuela · Costa Rica0.0 kmin this dpt
- DesamparadosSan José · Costa Rica0.0 kmin this dpt
3 intersecting protected areas
Cordillera Volcánica Central
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Cerro de Escazu
IUCN IVProtected Zone
Volcan Poas
IUCN IINational Park
1 page = 1 named river (aggregation of 19 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
653 distinct species · 21 056 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 Río Poás : 18 espèces reliées par 34 interactions GloBI sur 4 types (connectance 9.7%, 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).
Hydrology (HydroRIVERS v10)
Total length
45km
Max discharge
18,4m³/s
Max Strahler
4
Segments matched
19
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.