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Aquatic weed control and removal for lakes and ponds.

Aquatic Plants and You

Plants are an essential part of lake communities and benefit a wide variety of organisms, including you. Although aquatic plants are sometimes a nuisance for lakeshore property owners, it is important to remember that they are critical for a healthy lake environment. Here are some reasons why.

Aquatic Plants:

  • Help prevent shoreline erosion by breaking up wave action
  • Provide natural food and shelter for fish and wildlife
  • Are one of the first links in the aquatic food chain
  • Improve water clarity and quality

The Nuisance Factor

The Minnesota Department of Natural Resources (DNR) recognizes that aquatic plants, algae, snails, and other aquatic life are sometimes a nuisance. Nuisance aquatic plants can be addressed through the department's Aquatic Plan Management Program. This program issues permits for controlling or destroying aquatic plants or invertebrates in public waters. One goal of the program is to ensure that methods used to manage nuisance conditions will be effective without harming beneficial aquatic plants and the environment.

Please

Before removing or treating aquatic vegetation or organisms in the lake, be sure you understand the rules and regulations for these activities. If you have questions about aquatic plant control contact your nearest fisheries office. Violations of Minnesota laws pertaining to aquatic plant removal may result in civil or criminal penalties.

Different Aquatic Plants

The amount of control allowed often depends on the kind of plant growing in the area. Aquatic plants are categorized as follows:

Submerged plants have stems and leaves that grow entirely under water, through some may also have floating leaves. Pondweeds and coontail are well-know examples.

Floating-leaf plants
are rooted in the lake bottom, but their leaves and flowers float on the surface of the water. Water lilies are well-known examples.

Emergent plants are rooted in the lake bottom, but their leaves and stems extend out of the water. Cattails and bulrush are well-known examples.

Algae have no true roots, stems, or leaves and range in size from tiny one-celled organisms to large, multi-celled plant-like organisms, such as chara. Many algae are free floating and, when present in large numbers, can make the water appear green.

Two common types of Watermilfoil

Northern Watermilfoil
Eurasian Watermilfoil

 

Some Friendly Advice

This Web page is a reference guide for you. It is not a complete list of the aquatic plant management regulations. If you have further questions, please contact one of the information centers below or at:
Permits to Control Aquatic Plants - DNR

Really Valuable Resources

• AQUATIC WEED CONTROL
AQUATIC PLANT CONTROL ALTERNATIVES
AQUATIC PLANT MANAGEMENT IN LAKES AND RESERVOIRS
PERMITS TO HARVEST OR DESTROY AQUATIC PLANTS

Brochures Links

• HELP STOP Aquatic Hitchhikers
AQUATIC PLANT MANAGEMENT
PURPLE LOOSESTRIFE - What You Should Know, What You Can Do

DNR Fisheries Offices:

- Bemidji • 218-755-3959
- Glenwood • 320-634-4573
- Brainerd • 218-828-2735
- Grand Rapids • 218-327-4414
- New Ulm • 507-359-6088
- Little Falls • 320-616-2450 ext 235
- St. Paul • 651-772-7956

 

 

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