Monday, November 14, 2011

invasive species in central wisconsin pt. 2

Changing the conditions of the Environment

Buckthorn infested Forest
Buckthorn, a common invasive plant in Wisconsin, invades forests and competes with other young trees and plants for space. According to the Wisconsin DNR website, there are a number of reasons buckthorn can do this. One way it does this is by taking away food sources from other plant species. Another is buckthorn develops its leaves earlier than other native plants, so it has a leg up on growing and getting sunlight, this inhibits other native plants ability to receive sunlight and grow. Over time, when buckthorn is allowed to spread and prosper, it dramatically changes the landscape of a region. For example, in central Wisconsin, some forest species are bunchberry, Canada mayflower, and large-leaved aster. After buckthorn is introduced, the plant will spread and wipe out all of these important native plants.


Common Canada Mayflower
               

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