Costa Rica Species
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Tropical Very Wet Forest
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Tropical Very Wet Forest

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Anonymous Curator

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Under Review

Last modified by

Julia Trouin

Detailed Description

The tropical very wet forest is one of the most complex and productive ecosystems in the world. It differs from the common rainforest by its extreme precipitation, exceeding 4,000 mm annually, which eliminates any period of water stress for the flora. Colossal trees with buttress roots such as the Ceiba and Cedar dominate the landscape, covered by an astonishing density of mosses and bryophytes that absorb moisture directly from the air. It is home to the highest biomass density per hectare, providing ecological niches for apex predators like the jaguar and birdlife including harpy eagles. Its soil, although ancient and nutrient-poor, recycles organic matter at an amazing speed, maintaining a vital balance for the planet's climatic health.

Climate Metrics

Altitude (m)Elevation above sea level in metres. Higher altitude means lower temperatures and pressure, shaping which species can survive.0 – 800 m
Precipitation (mm/year)Total annual rainfall in millimetres. A key driver of vegetation type — tropical rainforests typically exceed 2 000 mm/year.4,000 – 8,000 mm
Temperature (°C)Average annual temperature range in degrees Celsius. Together with precipitation, it defines the Holdridge life zone and resident species.24 – 30 °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.Tropical Wet Forest

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

Osa PeninsulaCaribbean Lowlands (Tortuguero / Sarapiquí)South Pacific (Corcovado / Osa)

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

December – MarchOctober – November

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

Climate characterized by the absence of a defined dry season. Rainfall is torrential and constant, with precipitation peaks that can reach 8,000 mm in foothill areas. The temperature is warm and stable, maintaining permanent moisture saturation in the air.

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