Which of the following represents an example of a regulating ecosystem
service?
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The salt marshes surrounding Chesapeake Bay are the nurseries
of many commercially valuable fish, crabs, and shrimp.
Mesa Verde National Park is now a federally protected area, where
Ancestral Puebloans last lived about 800 years ago. Today, the
park represents a historic and spiritual ecosystem to their
descendants.
The locals living on one of the isolated San Juan Islands of
Washington State love the wild raspberries that grow there. A
O group of natives on the island has been responsible for planting
more raspberry plants and promoting their growth on the island. All
who enjoy these berries are most appreciative.
As river levels rise with spring precipitation and snowmelt in the
Midwest of the United States, marshes and swamps along the
edge of the Mississippi River become flooded. These flooded
regions reduce river levels and threats of flooding in the towns
farther down the river.