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Fact Cards

Long Island Sound
Phone:
203.977.1541
Web:
http://www.longislandsoundstudy.net


ANEP: Long Island SoundLong Island Sound is bounded by Connecticut and Westchester County, New York, on the north and by Long Island on the south. The sound is approximately 110 miles long (east to west) and prized for its beauty, abundant and diverse resources, and recreational and commercial opportunities. For many it is a source of inspiration; for others, a means of economic survival-but for both there is a conviction that Long Island Sound is worthy of preservation, restoration, and protection.


Facts About the Estuary

  • More than eight million people live in the watershed and more than 21 million people within a 50-mile radius.
  • Boating, commercial and sport fishing, swimming, and beach going generate more than $5 billion annually in the local economy.
  • More than 60,000 acres of shellfish grounds are cultivated in Connecticut's coastal water by the aquaculture industry contributing $11.5 million to the local economy.
  • Hard clams (or quahogs), soft-shell clams (or steamers), bay scallops, blue mussels, surf clams, and razor clams are all harvested.
  • Over 120 species of finfish live in the sound, including 21 tropical species that stray
    here seasonally.
  • Across the sound 200,000 boats are registered.
  • Over 125 species of birds rely on the estuary system for food and habitat.

Health of the Estuary

  • From mid-July through September, oxygen levels drop below levels adequate to support healthy populations of aquatic life.
  • Nitrogen loadings caused by human activity come from 111 sewage treatment plants that discharge into the sound.
  • In 1989, 76 percent of Connecticut's sewage treatment plants tested were non-toxic.
  • In 1999, 94 percent were non-toxic. In 1998 and 1999, no New York municipal treatment facilities discharging to Long Island Sound exhibited toxicity.
  • Levels of metals and organics found in Long Island Sound mussels have declined.
  • Osprey populations fell sharply in the 1950s and 1960s due to pesticides like DDT.
  • Over the past 100 years, filling, dredging, and development has destroyed approximately 25-35 percent of the area's tidal wetlands.

Accomplishments of the Estuary Program

  • Reduced nitrogen loadings 19.2 percent over the past decade resulting in improved oxygen levels and reduced algae growth.
  • Opened 8.8 river miles to anadromous fish in 1998, and restored 17.1 river miles in 1999.
  • Restored more than 308 acres of tidal wetland habitat since 1993. More than 37 sites have been selected for habitat restoration projects.
  • The New York Department of Environmental Conservation awarded over $2.5 million in 1999 Bond Act funds to communities to restore over 85 acres of aquatic habitat.
  • Awarded $150,000 to research programs and $131,952 to 41 educational, informational and construction projects in 1999.
  • Responded to 582 information requests and reached 10,420 people at events in 1999.
  • Continued Nonpoint Education for Municipal Officials (NEMO) project linking land use and water quality.


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