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Fish, Birds and Wildlife Coastal wetlands also provide critical habitat for fish, birds and wildlife, some of which are found only in the Great Lakes coastal zone. According to the Michigan Department of Natural Resources, coastal and inland wetlands support more wildlife and plants than any other Michigan habitat type. Coastal wetlands are particularly valuable as
spawning and nursery habitat for fish. It is estimated that 75 percent
of all Great Lakes fishes use coastal wetlands at some point in their
lives. Fish such as yellow perch and northern pike attach their eggs
to wetland plants, and their young remain in these wetlands for varying
periods. Further, these marsh areas support the majority of small fishes
used for food by recreational and commercial fish. Essentially,
coastal marshes provide cover for these forage fishes and commercially
important game species, says University of Michigan (UM) researcher
Dr. Paul Webb. Suzanne Robinson, a board member for the Detroit
Audubon Society, is one of the many birders who make the trip to East
Tawas each year for the spring migration. The reason people come
here, Robinson explains, is for the opportunity to see an
impressive number of species in a short period of time. The variety
of warblers is very good. In addition to warblers, the park is
a good place to see migrating water birds such as loons, grebes, gulls
and divers such as red-breasted mergansers and oldsquaw. This year,
bird-watchers may also have seen the endangered piping plover. These coastal wetlands are important breeding
areas because of the abundant food and cover, says Hoagman. Many
of these wetlands are not right along the shoreline; they can be a half-mile
or more inland. |
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