HydroBASINS lev08 watershed · #7080882610

Bassin de Río Frío

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 7 administrative regions across 2 countries : Cañas, Guatuso, Los Chiles, San Carlos, Tilarán +1

4% lakePfafstetter: 75380602

Sub-basin area

1 647km²

Upstream area

1 647km²

Discharge

57,94m³/s

Mean elev.

197m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Río Frío1 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

7 dept-equivalent regions (GADM L2)

Guatuso
Alajuela · Costa Rica
724.9 km²
44.2% of basin
Los Chiles
Alajuela · Costa Rica
580.9 km²
35.4% of basin
San Carlos
Alajuela · Costa Rica
280.7 km²
17.1% of basin
San Carlos
Río San Juan · Nicaragua
39.9 km²
2.4% of basin
Upala
Alajuela · Costa Rica
9.6 km²
0.6% of basin
Tilarán
Guanacaste · Costa Rica
4.0 km²
0.2% of basin
Cañas
Guanacaste · Costa Rica
0.3 km²
0.0% of basin

10 intersecting protected areas

Agua y Paz
IUCN Not Applicable
UNESCO-MAB Biosphere Reserve
1603.19 km² overlap
Caño Negro
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
186.24 km² overlap
Cano Negro
IUCN VI
National Wildlife Refuge
101.60 km² overlap
Volcan Tenorio
IUCN II
National Park
86.51 km² overlap
Tenorio
IUCN IV
Protected Zone
40.02 km² overlap
Reserva de Biosfera Río San Juan Nicaragua
IUCN Not Applicable
UNESCO-MAB Biosphere Reserve
40.00 km² overlap
Los Guatuzos
IUCN IV
Wildlife Refuge
39.09 km² overlap
Refugio de Vida Silvestre Los Guatuzos
IUCN IV
Wetland of International Importance (Ramsar Site)
39.09 km² overlap
Corredor Fronterizo
IUCN VI
National Wildlife Refuge
22.95 km² overlap

1 more protected areassorted by overlap area

Cuenca Embalse Arenal
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
5.54 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

6 978 distinct species · 1 018 047 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Río Frío : 22 espèces reliées par 25 interactions GloBI sur 2 types (connectance 5.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.058

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

25,4°C

Annual rain

2 948mm

Moisture idx (CMI)

0,43

Runoff

1 110mm/an

PET

1 612mm

AET

1 437mm

Mean slope

3,0°

Water table

84cm

Forest

72%

Crops

13%

Urban

Protected

18%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)