Exploring Sand Dunes

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Information about Exploring Sand Dunes
Education

Published on November 11, 2008

Author: tmalefyt

Source: authorstream.com

Exploring Lake Michigan Sand Dunes : Exploring Lake Michigan Sand Dunes Lake Michigan’s eastern shoreline contains the largest concentration of fresh water dunes in the world. : Lake Michigan’s eastern shoreline contains the largest concentration of fresh water dunes in the world. How dune sand was formed : Formed millions of years ago when glaciers covered the land. How dune sand was formed Dune sand is made up of: : Dune sand is made up of: How dune sand moved : How dune sand moved Dunes are created by three actions : Dunes are created by three actions Waves Wind Vegetation In the late 1800’s Henry Chandler Cowles studies the dunes : In the late 1800’s Henry Chandler Cowles studies the dunes Beach : Where water meets land Beach Beach : Beach Not many things live on the beach : Not many things live on the beach But many things visit the beach Ant lion colony Sea rocket Tiger beetle Sea gull Lady bugs People Foredune : Where the first dunes are formed Foredune Open dune area : Open dune area Hognose snake Fowler’s toad Monarch butterfly Monarch butterfly caterpillar on a milkweed plant Pitcher thistle Through : Eastern bluebird Red fox Low area between the foredune and the backdune Through Backdune : Trillium Jack in the pulpit Columbine Dutchman’s breeches Backdune Backdune : Barred owl Raccoon Pileated woodpecker Eastern box turtle Backdune Dunes are fragile : Dunes are fragile Development : Development Exotic species : Exotic species Garlic mustard Baby’s breath Sand dune mining : Sand dune mining You can help protect the dunes by: staying on paths, not littering, by leaving plants and wildlife in place : You can help protect the dunes by: staying on paths, not littering, by leaving plants and wildlife in place Slide 22: www.lakemichigan.org 700 Washington Ave., Suite 150 Grand Haven, MI 49417 616-850-0745 A special thank you to P.J. Hoffmaster State park for use photographs and to park naturalist Elizabeth Tillman for her assistance

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