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“Tropical forests are the result of an accident of history.” - Carlos Jaramillo.

April 23, 2018

About 66 million years ago, a radical change on the Earth filled tropical forests with flowers. A new catalog of fossil pollen grains may hold an explanation.

Free Online Tree-Planting Guides

April 19, 2018

Now that the rainy season has started, it is the perfect time to plant trees in Panama. We offer smart, science-based advice for choosing the perfect trees for your site and helping them to grow.

New book offers deep-time tour of Colombia

April 18, 2018

STRI’s Carlos Jaramillo and a team of 25 co-authors explore themes from fossil formation to the bridging of the Americas to the role of humans in modern ecosystems.

Tracking Aedes Mosquito Invasions in Panama

Tracking Aedes Mosquito Invasions in Panama

April 09, 2018

Mosquitoes in the genus Aedes, which can carry dangerous viruses causing yellow fever, chikungunya and Zika, invaded the crossroads of the Americas multiple times, by land and by sea.

Lessons From Amphibian Die-off in Panama

Lessons From Amphibian Die-off in Panama

March 30, 2018

What slows or stops a disease epidemic if the pathogen is still present? It appears that wild frogs are becoming increasingly resistant to the chytrid fungal disease that has decimated amphibian populations around the world.

Learning from other species

Predators learn to identify prey from other predators

March 21, 2018

It is much faster to learn to recognize a new prey item from a neighboring species, than to learn by trial and error.

First Evidence of Live-traded Dogs for Maya Ceremonies

March 21, 2018

At one of the oldest Maya sites, STRI staff archaeologist, Ashley Sharpe, discovered dog bones from the Guatemalan highlands deep within two pyramids.

Smithsonian Researchers Name New Ocean Zone

Smithsonian Researchers Name New Ocean Zone

March 20, 2018

New ocean zone is home to many new species of reef fish

How do natural and human-discharged nutrient pulses impact tropical marine ecosystems?

March 14, 2018

Nutrient upwelling season in the Bay of Panama and water quality tests from 20 previously unmonitored rivers provide a Panamanian researcher with clues about how nutrient addition impacts coastal ecosystems.

Individual tree species, not forest communities, respond to changes in phosphorus levels

Fast growth despite phosphorus limitation

March 07, 2018

Individual tree species, not forest communities, respond to changes in phosphorus levels.

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