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composed of sand, coastal erosion creates little problem for the beach because it uses this sand to Chapter 9 Beach Erosion and Loss 3 sustain the environment. After all, sand is the lifeblood of beaches. However, migrating upward and landward through space and time does create a huge problem for buildings and roads built too close to the shoreline. And therein lies the rub â protecting the land with a seawall will lead to beach loss.
human activities that increase erosion can upset the natural âgive and take.â That is why it is important for people to learn not to take short cuts through the dunes or over cliffs to get to beaches. Likewise, while beach grass can withstand the most powerful storms, it can die if stepped on more than twice by people. Erosion is a natural process that has shaped much of Cape Cod as we see it today. Thus on Cape Cod, it is important that this process be kept natural and not be upset by human interference whenever possible. Without natural erosion, the Cape would not have such beautiful wide sandy beaches. Some of this sand released by erosion also norishing the long thin barrier beaches that protect portions of the Cape's shoreline,