Policy News: May 6

Here are some highlights from the latest ESA Policy News by Science Policy Analyst Terence Houston. Read the full Policy News here. MINING: COMMITTEE HEARING HIGHLIGHTS INDUSTRY CONCERNS OVER EPA REGS The House Transportation and Infrastructure Subcommittee on Water Resources and Environment met May 5 for the first in a series of hearings entitled “EPA Mining Policies: Assault on Appalachian Jobs.” The hearings are in...

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Policy News: March 25

Here are some highlights from the latest ESA Policy News by Science Policy Analyst Terence Houston. Read the full Policy News here. NUCLEAR CRISIS: LAWMAKERS URGE NRC TO RAMP UP, REVIEW PLANT SAFETY STANDARDS The Senate Environment and Public Works Committee convened March 16 for a briefing on the nuclear plant crisis in Japan and its implications for the United States. Congressional Democrats have expressed concerns about the safety...

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Fear as an ecosystem engineer

This post contributed by Cristina Eisenberg, conservation biologist at Oregon State University Over the past three years I have conducted thirteen hundred focal animal observations on elk in the northern and southern Rocky Mountains. This involves patiently watching one animal at a time for up to twenty minutes and recording its wariness–that is, the amount of time it spends with its head down feeding versus head up, scanning...

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Ecosystem snapshot: reassessing the role of wolves in Yellowstone

Yellowstone National Park is home to more than 1,350 species of vascular plants and numerous species of mammals, amphibians, reptiles and birds—not to mention the natural landmarks such as Old Faithful Geyser. Among the inhabitants of Yellowstone is the famous quaking aspen, a deciduous tree that has significantly declined in the park since the 20th Century, due in large part to elk grazing.

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