In this episode we sit down with USGS wildlife biologist Joan Hagar and discuss her recent study on songbirds in the Pacific Northwest. New research indicates a possible relationship between reductions in the abundance of some species of songbird and reductions in the amount of deciduous trees in evergreen forests.
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Oregon Songbirds: Singing for Their Supper in Evergreen Forests
In this episode we sit down with USGS wildlife biologist Joan Hagar and discuss her recent study on songbirds in the Pacific Northwest. New research indicates a possible relationship between reductions in the abundance of some species of songbird and reductions in the amount of deciduous trees in evergreen forests.
Urban Hydrology: Restoration and Monitoring of Johnson Creek in Portland, Oregon
The Johnson Creek watershed is an important resource in Portland, Oregon. It forms a wildlife and recreational corridor through densely populated areas of the Portland metropolitan area, as well as rural and agricultural land in Multnomah and Clackamas Counties.
The Johnson Creek watershed is an important resource in Portland, Oregon. It forms a wildlife and recreational corridor through densely populated areas of the Portland metropolitan area, as well as rural and agricultural land in Multnomah and Clackamas Counties.
Pharmaceuticals in Urban Streams in Northwest Oregon
Coinciding with the release of the USGS report ‘Reconnaissance of Pharmaceutical Chemicals in Urban Streams of the Tualatin River Basin, Oregon, 2002,’ we sit down and discuss recent findings with USGS hydrologist Stewart Rounds.
Coinciding with the release of the USGS report ‘Reconnaissance of Pharmaceutical Chemicals in Urban Streams of the Tualatin River Basin, Oregon, 2002,’ we sit down and discuss recent findings with USGS hydrologist Stewart Rounds.
How far did the ash from Mount St. Helens travel?
Welcome to CoreFacts, where we're always short on time and big on science. I'm Brian Campbell. Today's question is …
How far did the ash from Mount St. Helens travel?
Welcome to CoreFacts, where we're always short on time and big on science. I'm Brian Campbell. Today's question is …
How far did the ash from Mount St. Helens travel?
Where did the name "Mount St. Helens" come from?
Listen to hear the answer.
TRUE or FALSE: Portland, Oregon, has a volcano within its metropolitan area.
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