Soundview Park - Salt Marshes in New York City Parks
Salt marshes play a critical role in the support of human life, acting as natural filtration systems by trapping pollutants that would otherwise contaminate our bays and oceans. Salt marshes have the ability to absorb fertilizers, improve water quality, and reduce erosion. They are also among the richest wildlife habitats.
Called the “Gateway to the Bronx River,” Soundview Park is situated where the Bronx River opens into the East River. The Bronx River changes from a saltwater river to the only freshwater river in New York City at Westfarms, just a few miles north of Soundview. With its extensive views of the water, Soundview Park celebrates the beauty of both the Bronx and East Rivers. When the City of New York acquired the original 93 acres of land for this park in 1937, the entire area was composed of marshland.
When the last of the glaciers melted 7,000 years ago, the oceans rose to their present levels. Sediments washed from the land were deposited offshore in narrow sandy strips, forming long islands parallel to the shoreline. These barrier beaches received the pounding surf on their ocean side, but had calm, protected bays behind their landward shores. While the waters were calm enough for vegetation to take root, the presence of saltwater made survival difficult. One species, however, saltmarsh cordgrass (Spartina alterniflora), was able to colonize the flat expanses of sand and silt, which were covered twice a day by the ocean’s tides. Today, the grass is still found along the Atlantic coast.
As this specialized grass spreads, its stems trap floating debris. Sediments and particles of decaying matter slowly build up, forming nutrient-rich mud. This mud, called detritus, supports life on the marsh. It is the basis of a complex food web in which energy is passed from one organism to another. The fiddler crab (Uca pugnax) and ribbed mussel (Geukensia demissa) have developed a mutually beneficial relationship with the cordgrass. While the crabs and mussels benefit from feeding on decaying matter trapped within cordgrass roots, cordgrass gains from the fiddler’s burrowing, which aerates the soil, and the mussel’s excretion, which provides necessary nitrogen.
At the end of each season, the cordgrass dies, creating a spongy peat. Each year’s peat layer raises the surface of the marsh, enabling it to colonize new territory. A variety of plants with less salt tolerance can colonize the peat, as it is out of the range of most of the high tides. This causes the formation of two separate plant communities, the intertidal marsh and the salt meadow. A third type of salt marsh community is the mudflat. Each of these communities has its own distinctive vegetation, insects, fish, birds, and mammals that have adapted to survive in a saltwater environment. Although much of the 156-acre park has been developed on top of landfill for recreation, Soundview’s weedy meadows and salt marsh attract sparrows, gulls, and egrets. While salt marshes do not have a very wide variety of species, the volume of life present is remarkable.
Since industrialization, human activity has destroyed many marshes. Where marshes are disturbed, common reed (Phragmites australis) often grows in place of cordgrass. Since reeds do not decompose into as nutritious a substance as cordgrass, a reed marsh does not contribute as much to coastal ecosystems as a cordgrass marsh. In the last 200 years, humans have also filled over 80 percent of the city’s original salt marshes for construction. While recent conservation efforts have improved the condition of marshes, this valuable ecosystem continues to disappear from the City at an alarming rate.
Directions to Soundview Park
Know Before You Go
Portions of this park will be closed to bring an exciting and playful space for children, teenagers and adults to play. The new Metcalf Playground will bring an exciting and playful space for children, teenagers and adults to play and recreate.
Anticipated Completion: Summer 2015
Soundview Park Weather
- NYC Parks Cuts The Ribbon On New Soundview Amphitheater
- NYC PARKS CUTS THE RIBBON ON NEW SOUNDVIEW AMPHITHEATER
- Ribbon Cut On Ecological Restoration Of Salt Marsh At Soundview Park
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- Kayak/Canoe Launch Sites
- Running Tracks
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- Spray Showers
Know when to go:
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