Tara Rudo
10-19-2012
1:37pm
The east coast of the United States is suffering from a land loss that affects many ecosystems. Salt marshes provide a home for many species of fish, birds, and marine life. The nutrient rich- brackish water exhibits high levels of species diversity. These marshes also protect large coastal cities and towns from natural disasters and weather. These marshes are very rich in nutrients because they take out those pollutants from upland areas. Salt marshes are crucial for the coastal ecosystem and with the rise in sea-level and development, these marshes are dying off at an alarming rate. After years of added nitrogen and phosphorus due to septic and sewage systems, cracks in the marshland began to appear along the creeks that feed into the marsh. Soon, these cracks grew and collapsed into muddy areas called mudflats. Plants began to grow taller and greener but their root systems were weakening causing serious erosion problems with the daily tides. These mudflats are not a suitable habitat for species and therefore; diversity has decreased. In the article it states, “as of 2002, over half of the world's population was estimated to being living within 60 km of the coastal shoreline.” These coastline areas are extremely vulnerable to human activity like development, run-off, and erosion, so it is very important to protect these areas. Our environment is something that is very fragile and if it is not taken care of, many species, including ourselves, are going to have to pay the consequences. Slowing the rate at which these salt marshes are disappearing is a good start. By cutting back on agriculture in fragile regions and eliminating run off from development, it is very possible to save this ecosystem from collapse.
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