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  "description" : "Biological diversity was determined using proxies of diversity including sighted presence of marine mammals, essential fish habitat and sea-floor surface variability. Data for marine mammals was downloaded from duke university online from the OBIS-SEAMAP at http://seamap.env.duke.edu/swot which included data for marine mammal density in the Atlantic ocean compiled by the U.S. Navy; Navy OPAREA Density Estimate (NODE) for the Northeast OPAREAs.  I COULD USE NATURE CONSERVANCY/NOAA INSTEAD, ITS SAME DATA http://seamap.env.duke.edu/search/?app=serdp \nHalpin, P.N., A.J. Read, E. Fujioka, B.D. Best, B. Donnelly, L.J. Hazen, C. Kot, K. Urian, E. LaBrecque, A. Dimatteo, J. Cleary, C. Good, L.B. Crowder, and K.D. Hyrenbach. 2009. OBIS-SEAMAP: The world data center for marine mammal, sea bird, and sea turtle distributions. Oceanography 22(2):104-115\nDepartment of the Navy (DON). 2007. Navy OPAREA Density Estimate (NODE) for the Northeast OPAREAs. Prepared for the Department of the Navy, U.S. Fleet Forces Command, Norfolk, Virginia. Contract #N62470-02-D-9997, CTO 0030. Prepared by Geo-Marine, Inc., Hampton, Virginia. Turtle data was removed from this data and the mammal layers were all converted from polygon to raster data. Each mammal layer was converted 4 times, once using each seasonal number of densities in the attribute table. Finally, once four layers of each mammal existed as a raster by season, they were summed together to create a single raster of total presence for each mammal. These single species raster datasets were added to a raster catalog to mosaic them together with the same extent and cell size. These layers were then summed together to create a single layer of overall marine mammal diversity in the Atlantic. The essential fish habitat data was downloaded from the MARCO data catalog at http://portal.midatlanticocean.org/explore/catalog. This file was also converted from polygons to rasters, using the species count field from the essential fish habitat layer to generate the values for the rasters.. Sea-floor surface variability was created using Bathymetry data as provided by the Nature Conservency at https://www.conservationgateway.org/ConservationByGeography/NorthAmerica/UnitedStates/edc/reportsdata/mapsdata/Pages/default.aspxA raster containing slope of the bathymetry data was created and focal statistics were run on that raster to create maximum and minimum slope rasters using a large roving window of 100m. The minimum slope raster was then subtracted from the maximum slope raster and seafloor variability was output. All layers were then normalized to a 0-100 scale by dividing 100 by the highest value in each raster and then multiplying all values within the raster by that number. Any null values in the three within the MARCO study area were turned into 0s. Once the three rasters were in 100 scales and without null values, they were added together using raster calculator, where each of the three rasters was weighted. The phrase used in the calculator was as follows:(\"Density_Clip_Standardize\" * 0.1) + (\"Varability_Add_Zeros\" * 0.05) + (\"EFH_Add_Zeros\" * 0.025)This final summed layer was then normalized to a scale of 100 again just as before. ",
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  "copyrightText" : "This dataset was developed by Michael DiCiancia and Rachael Sacatelli, Rutgers University. Marine Mammal data was taken from the OBIS seamap. Essential fish habitat data was taken from the MARCO data portal catalog. Sea-floor topographic data was taken from the Nature Conservancy",
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