HydroBASINS lev08 watershed · #7080001820

Bassin de Río Montaña

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 : Carrillo, La Cruz, Liberia, Nicoya, Rivas +2

Coastal basinPfafstetter: 77111753

Sub-basin area

1 919,4km²

Upstream area

1 919,4km²

Discharge

7,17m³/s

Mean elev.

139m

Administrative coverage

7 dept-equivalent regions (GADM L2)

Santa Cruz
Guanacaste · Costa Rica
717.1 km²
37.5% of basin
La Cruz
Guanacaste · Costa Rica
517.5 km²
27.1% of basin
Tola
Rivas · Nicaragua
323.3 km²
16.9% of basin
Liberia
Guanacaste · Costa Rica
108.2 km²
5.7% of basin
Carrillo
Guanacaste · Costa Rica
91.7 km²
4.8% of basin
Nicoya
Guanacaste · Costa Rica
28.6 km²
1.5% of basin
Rivas
Rivas · Nicaragua
4.7 km²
0.2% of basin

16 intersecting protected areas

Area de Conservación Guanacaste
IUCN Not Applicable
World Heritage Site (natural or mixed)
401.40 km² overlap
Santa Rosa
IUCN II
National Park
391.39 km² overlap
Marino las Baulas de Guanacaste
IUCN II
National Park
14.31 km² overlap
Corredor Fronterizo
IUCN VI
National Wildlife Refuge
13.33 km² overlap
Tamarindo
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
9.72 km² overlap
La Flor
IUCN IV
Wildlife Refuge
8.64 km² overlap
Manglar de Potrero Grande
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
4.89 km² overlap
Bahia Junquillal
IUCN VI
National Wildlife Refuge
4.55 km² overlap
Ostional
IUCN VI
National Wildlife Refuge
3.86 km² overlap

7 more protected areassorted by overlap area

Bahia Santa Elena
IUCN VI
Marine Management Area
3.80 km² overlap
Guanacaste
IUCN II
National Park
1.40 km² overlap
Iguanita
IUCN VI
National Wildlife Refuge
1.18 km² overlap
Laguna Respringue
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
0.64 km² overlap
Conchal
IUCN VI
National Wildlife Refuge
0.40 km² overlap
Diria
IUCN II
National Park
0.34 km² overlap
Las Baulas de Guanacaste
IUCN IV
Protected Zone
0.16 km² overlap

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

Species present

10 101 distinct species · 493 222 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 Montaña : 19 espèces reliées par 38 interactions GloBI sur 2 types (connectance 8.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.087

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°

25,8°C

Annual rain

1 692mm

Moisture idx (CMI)

-0,03

Runoff

884mm/an

PET

1 748mm

AET

1 131mm

Mean slope

8,2°

Water table

344cm

Forest

61%

Crops

30%

Urban

Protected

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