Searching for ways to control an agricultural nuisance

Even the name sounds threatening. Known as "dog-strangling vines" in Canada, European swallowworts are invasive vines that can grow to 8 feet in length and wrap around supporting vegetation and smother it. There are two species, ...

Emission sources identified in Huon Study

Emissions from domestic wood-fired heaters in southern Tasmania's Huon Valley dwarf emissions from forest regeneration burns, according to a new CSIRO study.

Large trees declining in Yosemite

Large trees have declined in Yosemite National Park during the 20th century, and warmer climate conditions may play a role.

New technology needed to monitor rain forest 'tsunami'

Human impact on tropical forest ecosystems has reached a "tsunami" stage, say scientists, and will require a new generation of sophisticated remote-sensing technology to monitor the changes. Speaking at a January 12, 2009 ...

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