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Tabonuco Forest

The ecosystems, flora and fauna of El Verde is the most important resource at the station. El Yunque National Forest contains 225 tree species, 83 vertebrate species, and a wide variety of invertebrates. The research area of El Verde ranges from 250 to 500 m above sea level, has a mean annual rainfall of 3456 mm, and monthly temperatures range from 21-25ºC. The forest at El Verde is dominated by tabonuco (Dacryodes excelsa), Buchenavia tetraphyllaInga laurinaGuarea guidonia and Prestoea acuminata.

Housing facilities

El Verde has two buildings for visitor housing. The dormitory is a historic building that accommodates up to 30 visitors in four large rooms, each with bathrooms. Two fully equipped kitchens are available for visitors to prepare their meals. The apartment building accommodates up to 25 visitors in four two-bedroom apartments. Each apartment has its own fully-equipped kitchen and a dinning area.


Shade House

A small shade house is available to researchers for plant studies.

Laboratory facilities

The station's laboratory have eleven offices, most of them dedicated to long-term researcher. Laboratory equipment includes compound and dissecting microscopes, fiber optics illuminators, balances, drying ovens, stirrer/hot plates, and a chemical hood. A computer and conference room provides visitors with access to shared computers.


Artificial Streams

The artificial stream facilities are composed of different sets of channels. Large channels made of PVC and supplied with water from a nearby stream, located at the Stream House, are ideal for fish and shrimp studies. Smaller channels at the station site are designed to conduct ecological and behavioral research with insects and shrimps.