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Costa Rica

Evaluating Threats to Humans and Aquatic Ecosystems Posed by Agriculture Around the Río Sierpe, Costa Rica

800 532 Stroud Water Research Center

Stroud Water Research Center biologists completed a project to better understand the threat of contaminants from agriculture entering the fish and drinking water supplies around the Río Sierpe and Río…

Talking About Rafa: Maritza’s Manager In Words and Pictures

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By Jamie Blaine Rafa Morales, station manager at Maritza Biological Station in Costa Rica, with Jamie Blaine, author. Photo: Stephen M. Stroud When Bern Sweeney describes Rafa Morales, the job…

Maritza: Unlocking the Secrets of Water in the Developing World

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“Our work at Maritza is critical to our mission. It has enabled us to understand global water and climate issues in ways we could not have done without it.”

J. Denis Newbold, Ph.D., at his desk

UpStream Newsletter, Spring 2012

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A Seeker of the Truth: Denis Newbold, Ph.D., holds both strong political beliefs and an absolute commitment to scientific rigor, not an easy place to be when science is under fire.

Gone Fishin’: Evaluating the Threat of Agricultural Contaminants in the Río Sierpe

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Stroud Center scientists sampled the Río Sierpe and Grande de Terraba watersheds to identify contaminants as well as contaminated species that threaten humans who consume them.

Stroud Center Awarded Grant to Study Meta-Ecosystems

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Scientists are using new knowledge to provide an update of the River Continuum Concept and develop a broad model of carbon cycling.

Stroud Center Awarded Grant to Study Agricultural Contaminants

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Pesticides and other contaminants from agriculture pose an unknown threat to the Rio Sierpe ecosystem and to humans who eat contaminated fish and shellfish.

Studying Tropical Waters To Understand the Impacts of Climate Change

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Naturally occurring differences in temperature, rainfall, and hydrological characteristics of tropical landscapes will yield useful information about how climate variation and change may impact the diverse species that populate our planet, and teach us more about climate feedbacks to carbon cycling processes.

Water Quality Analysis of Costa Rica’s Rio Sierpe and Its Tributaries

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Stroud Water Research Center scientists conducted a planning expedition to the Rio Sierpe in Costa Rica to assess water and habitat quality, determine the feasibility of establishing a multi-year monitoring…

Publication title with image of a mayfly

A preliminary water quality study of the Rio Sierpe and its tributaries (Costa Rica)

350 210 Stroud Water Research Center

Arscott, D.B., W. Eldridge, and B.W. Sweeney. 2010. Prepared for the Blue Moon Foundation. Stroud Water Research Center, Avondale, Pennsylvania.