AQUATIC PLANTS OF THE UPPER MISSISSIPPI RIVER
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AQUATIC PLANTS OF THE UPPER MISSISSIPPI RIVER. Lifeforms of aquatic plants. Emergent: The roots and part of the stem are underwater, the majority of the plant is above the water. Floating Leaf: The roots and stem are underwater, while the leaves float on surface of water.

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Lifeforms of aquatic plants.

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Lifeforms of aquatic plants

AQUATIC PLANTS OF THE UPPER MISSISSIPPI RIVER

  • Lifeforms of aquatic plants.

  • Emergent: The roots and part of the stem are underwater, the majority of the plant is above the water.

  • Floating Leaf: The roots and stem are underwater, while the leaves float on surface of water.

  • Submergent: All parts of the plant are underwater.

What is an aquatic plant?

An aquatic plant is a plant that spends all or part of its life cycle in water.

  • Why are aquatic plants important?

  • food and shelter for many animals including bugs, small fish, birds, and humans.

  • produce oxygen for aquatic organisms.

  • clean water by allowing sediment to settle out and absorbing nutrients.

  • protect shorelines by dampening the effect of waves and current.

wild rice

Terry Dukerschein

Muskrats make their winter homes out of emergent vegetation.

white water lily and American lotus

white waterlily

WI DNR

Jeff Janvrin

Arrowhead, also known as duck potato, produces an over-wintering structure in the roots called a tuber. The tuber is a favorite food of ducks during fall migration. Native Americans roasted the tuber like a potato and ate it.

wild celery and water stargrass

MN DNR

  • How do aquatic plants survive the winter?

  • Most aquatic plants produce specialized wintering structures (called propagules) on the stem or root. These structures store energy that is used to produce a new plant in the spring.

  • Some aquatic plants overwinter as a green plant. Green shoots may often be seen through an ice fishing hole.

  • A few aquatic plants produce large numbers of seeds with a heavy coat.

Heidi Langrehr

Wisconsin Department of Natural Resources

Resource Trend Analysis Field Station Onalaska, WI 54650

May 24, 2000

WI DNR


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