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Additional Information. Information Sheets. The Problems Flooding caused by beaver dams can damage timber, agricultural crops, homes and other structures, roadways, and ornamental or garden plants. Timber—Using their large, continuously growing teeth, beavers will gnaw bark around the base of a tree for food and sometimes fell the tree. The tree dies which causes a financial loss for the timber owner. This loss can be significant, particularly if high-grade hardwood trees are damaged.
More importantly, beaver dams can cause flooding over large areas of timberland. If water is not quickly drained, trees will die and become unmarketable. Also, this flooding may make timber more prone to rot and disease. One beaver dam can flood and destroy thousands of acres of timber. Agriculture—Flooding caused by beaver dams can also destroy agricultural crops. The flat areas throughout many of the important agricultural regions of Mississippi allow beaver dams to flood significant acreage of cropland.
This flooding often makes parts of the field inaccessible to farm equipment. Sometimes beavers enter crop fields, cut the plants, and use them for food or dam-building material. Homes and Other Buildings—In situations where beavers and humans both live, floodwater can cause significant damage to human homes or other structures. In some instances, entire subdivisions or neighborhoods have suffered water damage.
Occasionally, beavers may cause direct damage to wooden structures, such as backyard decks, by gnawing on the wood, and thus cause appearance and structural problems.
Roadways—A significant but often overlooked consequence of beaver dams is damage to public roadways. Water drainage ditches on the edges of roadways offer good habitat for beavers.
Dams can flood the road or, in some instances, damage the road itself through erosion. Beaver dams and the flooding they cause have resulted in roads being closed, bridges and culverts requiring replacement, and occasional car accidents.
Water Control—Beavers can obstruct water control devices and damage structures by burrowing. Irrigation canals and drains often are plugged by beavers and must be cleared. Beavers can cause water control structures, often used for temporary flooding to create waterfowl habitat, to be useless.
Pond owners should be particularly watchful because beavers can cause substantial damage to pond dams by burrowing into them.
Ornamental Plants—Finally, the natural feeding behavior of beavers can damage ornamental trees, shrubs, and other plants. For homeowners, urban park managers, and commercial landscapers, damage to ornamental plants can be a frustrating and costly problem. When such areas are next to beaver habitat, damage is almost certain to occur unless control measures are implemented. Effective Solutions In Mississippi, people are allowed to control beavers without a license or permit on their own property.
The Wildlife Division may issue authorizations to trap beaver if damage threatens public health and safety e. Landowners who feel that they qualify for a special out-of-season permit should call the Wildlife Division regarding an application and a list of volunteers and licensed companies that can conduct trapping activities. DEEP also maintains a listing of persons who install water level control devices as a non-lethal method of mitigating damage caused by beaver. In an effort to provide landowners with more detailed information regarding beaver conflicts, the Wildlife Division has developed two publications that describe a number of options that may help alleviate problems caused by beavers.
For additional guidance, contact the Beaver Management Program at Do you need additional help and advice concerning nuisance wildlife? Check out www. Connecticut Department of Energy and Environmental Protection.
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