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New scientific studies reveal Midwestern frogs decline, mammal populations altered by invasive plant
Date:5/1/2013

cantly more coyotes, raccoons and opossums in buckthorn invaded areas, and significantly fewer white-tailed deer."

Magle hypothesizes that the carnivores could be drawn to buckthorn areas because birds and their nests are easier to prey upon. He suggests that deer may be avoiding these areas because buckthorn is an undesirable food source, and also due to the increased prevalence of coyotes. Research shows that deer fawns are a relatively common food item for Chicago-area coyotes.

Both Magle and Sacerdote-Velat agree that these findings are significant. The studies demonstrate how the high-density prevalence of this non-native plant is shifting population dynamics and negatively impacting a variety of native animal populations. They suggest land owners and managers should consider invasive species management and habitat restoration. In some areas, like Lake County Forest Preserve District where Sacerdote-Velat works regularly, ecologists and land managers have been committed to removing buckthorn from the area. "I hope that this new research will encourage other regions and land managers to take swift and decisive action to work to remove this invasive plant," she said.


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Contact: Sharon Dewar
sdewar@lpzoo.org
312-742-2246
Lincoln Park Zoo
Source:Eurekalert

Page: 1 2 3

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