Ruisseau· 7 segments
Río San Gerardo
Crosses 2 administrative regions : San Ramón, Tilarán
Total length
11km
Max discharge
1,9m³/s
Max Strahler
2
Segments matched
7
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- San RamónAlajuela · Costa Rica7.7 kmin this dpt
- TilaránGuanacaste · Costa Rica5.7 kmin this dpt
4 intersecting protected areas
Agua y Paz
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Cuenca Embalse Arenal
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Arenal Monteverde
IUCN IVProtected Zone
Arenal
IUCN IINational Park
1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 279 distinct species · 166 825 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 San Gerardo : 11 espèces reliées par 9 interactions GloBI sur 2 types (connectance 13.6%, filtre Serrano α=0.2). 1 bulle taxonomique (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
11km
Max discharge
1,9m³/s
Max Strahler
2
Segments matched
7
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.