Photos of the Long Island Sound

Research & Monitoring

Status and Trends: LISS Environmental Indicators

Invertebrates (Including Shellfish)


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Oyster Harvest

This indicator reports the number of oysters harvested commercially each year in Long Island Sound. View Indicator


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Hard Clam Harvest

This indicator reports the number of bushels of hard clams harvested commercially each year in Long Island Sound. View Indicator


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Approved Shellfish Acreage

This measure indicates whether water quality conditions in tidal rivers and coastal waters can support recreational and commercial shellfishing of oysters and clams. View Indicator


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Lobster Landings

This indicator reports the number of lobsters taken from traps by commercial lobsterman in Long Island Sound. View Indicator


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Lobster Abundance

Lobster has historically been an important fishery in Long Island Sound but populations have declined in recent years. This indicator is a fisheries-independent estimation of their abundance in the Sound. View Indicator


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Horseshoe Crab Abundance

This indicator shows the abundance of Horseshoe Crabs in Connecticut and New York. View Indicator

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