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International Research

Our Global Research Efforts

The establishment of Maritza Biological Station marked the beginning of increasingly far-flung travels for Stroud™ Water Research Center researchers and educators, which over the next 30 years would take them literally around the world: to conduct research on the Amazon and Congo rivers and the streams of Papua New Guinea; to lead education workshops in Peru and organize a Leaf Pack group in Kenya in collaboration with Nobel Peace Prize winner Wangari Maathai’s Green Belt Movement; and most recently, to journey to the bucolic country of Bhutan, high in the Himalayas, to assess water-quality conditions and help set up monitoring and citizen-science programs to enable local communities to protect their freshwater sources, which are at once an enormous economic asset and a fragile natural ecosystem.

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International Research and Education News

People stand next to a vehicle on a dirt road to admire a tropical sunset.
Costa Rica Close-Up
Take a virtual trip to Maritza Biological Station, which houses one of the world's longest continuously running data collections from tropical freshwater ecosystems.
David Arscott and Rafa Morales stand in a stream in Costa Rica.
Tropical Research Reveals Climate Change Impacts on Water Quality
Stroud Center scientists continue to investigate how climate change influences tropical species and ecosystem dynamics.
Postcard from Costa Rica
Postcard from Costa Rica: A Caracolera Comes Calling
Rafa Morales, station manager at Maritza Biological Station in Costa Rica, shares photos and videos of interesting wildlife he encounters.
A purple martin with a large dragonfly in its beak.
Follow the Martin! Migration Sensor Network Tracks Bird From Our Backyard to Central America
When wildlife-tracking telemetry towers were installed in Pennsylvania and Costa Rica, a purple martin reminded us of the connections between the temperate and tropical watersheds we study.
Diana Oviedo Vargas and Melinda Daniels in a Costa Rican forest.
Stream Reach: Building Communities from White Clay Creek to the Yangtze Basin
To truly make a difference requires, not only understanding freshwater systems, but working with all kinds of communities to protect them.
An Introduction to Tropical Stream Research
An Introduction to Tropical Stream Research
Stroud Center scientists introduced six board members to Maritza Biological Station and the importance of our water research in the tropics.