David Poulson

David Poulson is the editor of Great Lakes Echo. He also is the associate director of Michigan State University's Knight Center for Environmental Journalism where he teaches environmental, investigative and computer-assisted reporting. Before coming to MSU in 2003, he was a daily newspaper reporter and editor for 22 years, a period when he mostly covered environmental issues in the Great Lakes region. He is on the advisory boards for Michigan Sea Grant and MSU's Environmental Science and Policy Program and on the board of directors for the Society of Environmental Journalists. test

Recent Stories

Earthworms rob forests of key nutrients; pave way for other invaders

earthworm-wikimedia-commons

By Chris Symons

Compost box heroes, or the root of all ecological evil? Worms in Great Lakes forests are not what they seem. Trilliums are smaller, algal blooms are more common and hummingbird populations are decreasing. All of these are made worse by non-native earthworms in Great Lakes soil. A recent study in Ecosystems journal identified four key minerals that earthworms remove from soil and that native plants need to grow. Continue Reading →

Filed under: , , ,