Costa Rica Species
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Karst Caves and Caverns
TerrestrialIn ProgressCurrent stage of this record in the editorial review workflow.

Karst Caves and Caverns

Added by

Anonymous Curator

Reviewed by

Under Review

Last modified by

Julia Trouin

Detailed Description

Karst caves and caverns are subterranean ecosystems primarily formed by the chemical weathering of carbonate rocks (limestone). In Costa Rica, systems such as Barra Honda and Venado are geological monuments that house spectacular formations of stalactites, stalagmites, and columns. These habitats are characterized by the total absence of light, which has given rise to a unique fauna called troglobites, composed of blind and depigmented species that depend on organic matter transported from the surface. In addition to their biological and geological value, these caverns are time capsules that preserve invaluable paleontological and archaeological records, functioning as natural aquifers that store and purify groundwater.

Climate Metrics

Altitude (m)Elevation above sea level in metres. Higher altitude means lower temperatures and pressure, shaping which species can survive.100 – 1,500 m
Precipitation (mm/year)Total annual rainfall in millimetres. A key driver of vegetation type — tropical rainforests typically exceed 2 000 mm/year.1,500 – 4,000 mm
Temperature (°C)Average annual temperature range in degrees Celsius. Together with precipitation, it defines the Holdridge life zone and resident species.18 – 26 °C

Basic Identification

Habitat TypeBroad ecological classification: Terrestrial (land-based), Aquatic (water-based), or Mixed (both).Terrestrial
Holdridge Life ZoneHoldridge Life Zone System — classifies world climates into discrete zones based on biotemperature, annual precipitation, and humidity. Developed by Leslie Holdridge in 1947.Multiple (Dependent on surface zone)
Water TypeFor aquatic habitats: whether the water body is freshwater, marine (saltwater), or brackish (mixture of both).Freshwater

Locations in Costa RicaGeographic regions of Costa Rica where this habitat or species has been documented.

Barra HondaVenadoGabinarracaCiudad NeilyQuepos

Best Season to VisitBest times of year to visit or observe this area at its most biodiverse.

JanuaryFebruaryMarchApril

Climate & EnvironmentTypical weather patterns, temperature ranges, and seasonal rainfall affecting this location.

Extremely stable microclimate. The temperature inside the cavern remains constant year-round, reflecting the annual average of the surface. Relative humidity is usually near 100%, favoring the growth of speleothems.

Record Completeness
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