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 "description": "The purpose of mapping historical eelgrass extent is to create a reference layer depicting areas where eelgrass was present in the past and/or could be present again in the future throughout coastal New England waters. The historical eelgrass extent layer was created from several separate datasets for the states of Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut, and New York. Datasets that were included in the historical layer were derived from quantitative surveys such as aerial photography and/or field verification. The range of historical data available varied greatly by state. The data user is encouraged to read this and the metadata of each individual state\u2019s data carefully, as geometry, attribute details, and timeliness are not necessarily consistent among datasets used to develop this layer. All of the datasets used to develop the historical eelgrass extent layer are available separately for download at <a href=\"https://www.northeastoceandata.org/eelgrass/\" target=\"_blank\">https://www.northeastoceandata.org/eelgrass/<\/a>.\n<br/>\n<ul> <li><b>Maine:<\/b> 1997, 2001-2010, 2013, 2018<\/li> \n<li><b>New Hampshire:<\/b> 1981, 1986-2017, 2019<\/li> \n<li><b>Massachusetts:<\/b> 1995, 2001, 2006-2007, 2010-2013, 2015-2017, 2019<\/li>\n<li><b>Rhode Island:<\/b> 1988, 1996, 2000, 2006, 2009, 2012, 2016<\/li>\n<li><b>Connecticut:<\/b> 1974-1996, 2002, 2006, 2009, 2012, 2017<\/li>\n<li><b>New York:<\/b> 1930, 2000, 2003-2014<\/li><\/ul>",
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