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 "description": "The canal and ditching data layer was created to identify the presence and quantity of manmade linear alterations (ex. mosquito ditching) on coastal marshes. Ditching was quantified in miles of ditching per one square mile cell of marsh, and further quantified by estimating the density of ditching per square acre of marsh. This vector dataset does not identify all ditching features on the marshes; however, it is the most complete data set of these features that is publically available. This data layer was identified and extracted from the United States Geological Survey\u2019s (USGS) National Hydrography High Resolution (NHD-HR) vector dataset for New Jersey, NHD_H_34 (https://nhd.usgs.gov/data.html). These manmade alterations were selected by querying features labeled as \u2018CANAL/DITCH\u2019 in the \u2018FType\u2019 attribute field. The USGS \u2018Standards for National Hydrography Dataset \u2013 High Resolution\u2019 document defines \u2018CANAL/DITCH\u2019 as, \u201cAn artificial open waterway constructed to transport water, to irrigate or drain land, to connect two or more bodies of water, or to serve as a waterway for watercraft.\u201d (12/19/2011, NHD Standards). ",
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 "copyrightText": "Stockton University - Coastal Research Center \n30 Wilson Ave. \nPort Republic, NJ 08241\nE-mail: crc@stockton.edu \nPhone: (609) 652-4245\n\n\nGIS DATA CITATIONS:\n\nNational Hydrography Dataset- High Resolution, New Jersey Department of Environmental Protection (NJDEP), Office of Information Resources Management (OIRM), Bureau of Geographic Information Systems (BGIS). 2010. National Hydrography Dataset (NHD) Waterbody 2002. NJDEP, Trenton, NJ. Vector digital data for NHD ID H34. Last Accessed March, 2017. https://nhd.usgs.gov/index.html",
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