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The project was based on high resolution bathymetry, use of ground validation data, modelling the probability of occurrence of individual substrate and cover types, combining model layers into a classified benthic map, and a spatial accuracy assessment using independent field data. This seafloor mapping and characterization work was funded mainly by NOAA's Coral Reef Conservation Program, and led by NOAA's National Centers for Coastal Ocean Science in close partnership with U.S. Geological Survey, NOAA\u2019s Office of Marine and Aircraft Operations NOAA ship Nancy Foster, NOAA\u2019s Office of Coast Survey, National Park Service, Caribbean Fishery Management Council, U.S. Virgin Islands, Department of Planning and Natural Resources, Puerto Rico\u2019s Department of Natural and Environmental Resources, University of the Virgin Islands, University of Puerto Rico, and Solmar Hydro and the University of North Carolina at Wilmington Undersea Vehicles Program.", "copyrightText": "Bryan Costa, Laura Kracker, Will Sautter, Tim Battista", "supportsDynamicLayers": true, "layers": [ { "id": 0, "name": "Marine Protected Area Boundaries", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 1, "name": "Project Area", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 2, "name": "Field Data", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": [ 3 ], "minScale": 0, "maxScale": 0, "type": "Group Layer", "supportsDynamicLegends": false }, { "id": 3, "name": "Video Data Collection", "parentLayerId": 2, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPoint", "supportsDynamicLegends": true }, { "id": 4, "name": "Fish Acoustic Surveys", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": [ 5, 6, 7, 8 ], "minScale": 0, "maxScale": 0, "type": "Group Layer", "supportsDynamicLegends": false }, { "id": 5, "name": "Density of Fish", "parentLayerId": 4, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Raster Layer", "supportsDynamicLegends": true }, { "id": 6, "name": "Density of Fish >29cm", "parentLayerId": 4, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Raster Layer", "supportsDynamicLegends": true }, { "id": 7, "name": "Density of Fish 11-29cm", "parentLayerId": 4, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Raster Layer", "supportsDynamicLegends": true }, { "id": 8, "name": "Density of Fish <11cm", "parentLayerId": 4, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Raster Layer", "supportsDynamicLegends": true }, { "id": 9, "name": "Habitat Map", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": [ 10 ], "minScale": 0, "maxScale": 0, "type": "Group Layer", "supportsDynamicLegends": false }, { "id": 10, "name": "Composite Benthic Habitat Map", "parentLayerId": 9, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Raster Layer", "supportsDynamicLegends": true }, { "id": 11, "name": "Habitat Predictions", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": [ 12, 17 ], "minScale": 0, "maxScale": 0, "type": "Group Layer", "supportsDynamicLegends": false }, { "id": 12, "name": "Cover", "parentLayerId": 11, "defaultVisibility": true, "subLayerIds": [ 13, 14, 15, 16 ], "minScale": 0, "maxScale": 0, "type": "Group Layer", "supportsDynamicLegends": false }, { "id": 13, "name": "Live Hard Coral - 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