Natural and Cultural Resources

Willamette Spawning Surveys

During 2018 and 2019 EAS, under subcontract with Normandeau Associates, provided monitoring and evaluation services for the U.S Army Corps of Engineers, Portland District, NWP Hatchery Program related to the mitigation production and release of spring Chinook salmon into the Willamette Basin. EAS developed a study plan to successfully complete chinook salmon carcass collections and …

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Monitoring Avian Populations

PRESERVING AVIAN HABITATS AND POPULATIONS – SAGEBRUSH-OBLIGATE SPECIES EAS team members have participated in roadside bird surveys to provide long-term monitoring data for more than two decades. In 2012, EAS collected data to document species abundance and distribution and evaluate potential disturbance of valued habitats over large portions of the Hanford Site. We documented a …

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Short-Term Effects of Petroleum Exposure and the Process of Petroleum Removal on Northern Leopard Frogs (Rana pipiens)

A study was completed to test the short-term effects of oil exposure and removal of oil on frogs (Rana pipiens) in a captive setting, designed to mimic a spill response, and determine the efficacy of washing with detergent and rinsing, rinsing only, or no treatment as methods of care for short-term survival of frogs affected …

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