Ontologia

HydroLAKES lake · #9850

Arenal

ReservoirCosta RicaNorth America 548 m

Surface area

85,59km²

Avg depth

25,9m

Volume

2 220km³

Shoreline

125km

Administrative coverage

Parent watershed

hybas-7080883450339 km² · upstream 339 km²

3 dept-equivalent regions (GADM L2)

  • Tilarán
    Guanacaste · Costa Rica
    72.99 km²
    85.6% of lake
  • San Carlos
    Alajuela · Costa Rica
    11.99 km²
    14.1% of lake
  • San Ramón
    Alajuela · Costa Rica
    0.26 km²
    0.3% of lake

3 intersecting protected areas

  • Agua y Paz

    IUCN Not Applicable

    UNESCO-MAB Biosphere Reserve

    85.24 km² overlap

  • Cuenca Embalse Arenal

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    85.24 km² overlap

  • Arenal

    IUCN II

    National Park

    0.20 km² overlap

Computed live · HydroLAKES × GADM × WDPA · cached after first hit.

Species present

1 566 distinct species · 67 656 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

67 656 obs · 4 cellules
Obs. / cellule
≥ 30 114
30 114–30 113
21 984–30 113
21 984–21 983
< 21 984

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 19 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

Indicateurs du tissu écologique

Tissu écologique de Arenal : 15 espèces reliées par 16 interactions GloBI sur 3 types (connectance 8.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
16
Connectance
0.084
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Lake statistics (HydroLAKES)

Surface

85,59km²

Avg depth

25,9m

Volume

2 220,000km³

Watershed

499km²

Shoreline

125,0km

Shore dev. idx

3,81

Residence time

1 234days

Elevation

548m

HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.