Photos of the Long Island Sound

Research & Monitoring

Status and Trends: LISS Environmental Indicators

Land Coverage and Population


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Watershed Population

This indicator uses US Census data to track the population living within the Long Island Sound watershed. View Indicator


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Impervious Cover and Stream Health in Long Island Sound Basins

The indicator tracks the expansion of impervious cover (surfaces such as sidewalks and parkling lots) in the watershed. The impervious cover model predicts expected stream quality of a basin based on watershed impervious cover. View Indicator


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Changes in Forest Cover in CT & NY

According to research from the University of Connecticut’s Center for Land Use Education and Research (CLEAR), forested land in the late 20th and early 21st century declined by 6 percent n New York and Connecticut from 1985 to 2006. View Indicator


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Land Use Along 300-foot River Corridors in Watershed

The amount of naturally vegetated (e.g. trees, shrubs, wetlands, and grasslands, but not turf grass or agriculture) land in the riparian zone immediately adjacent to a stream or river is an indicator of hte health of the waterbody. View Indicator

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