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The Virginia Institute of Marine Science published the first Tidal marsh Inventories for Virginia in the 1970s. Using high resolution color infra-red imagery from 2009 a new Tidal Marsh Inventory has been developed for the York River Watershed in 2010. The remaining tidal shoreline of Gloucester County was developed using color infra-red imagery from 2011. Marsh boundaries were generated using heads-up digitizing techniques at a scale of 1:1,000. Each marsh polygon was classified by morphologic type: fringe, extensive, embayed, or marsh island. Marshes were ground-truthed in the field where a community type index was assigned to each marsh based on plant community make-up. Each marsh was also coded with a marsh number which corresponds to the original 1970s delineation. This will provide an opportunity to review changes that have occurred in the marshes over time.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "syncCanReturnChanges": true, "supportsAsyncDelete": true, "supportedSpatialRelationships": [ "esriSpatialRelIntersects", "esriSpatialRelContains", "esriSpatialRelCrosses", "esriSpatialRelEnvelopeIntersects", "esriSpatialRelOverlaps", "esriSpatialRelTouches", "esriSpatialRelWithin" ], "geometryProperties": { "shapeAreaFieldName": "SHAPE__Area", "shapeLengthFieldName": "SHAPE__Length", "units": "esriFeet" }, "supportsRollbackOnFailureParameter": true, "isDataReplicaTracked": false, "standardMaxRecordCountNoGeometry": 16000, "indexes": [ { "name": "r99_sde_rowid_uk", "isUnique": true, "description": "", "fields": "objectid", "isAscending": true }, { "name": "a53_ix1", "isUnique": true, "description": "", "fields": "shape", "isAscending": true } ], "editFieldsInfo": null, "htmlPopupType": "esriServerHTMLPopupTypeAsHTMLText", "minScale": 0, "hasAttachments": false, "advancedQueryCapabilities": { "supportsSqlExpression": true, "supportsQueryWithResultType": true, "supportsQueryWithCacheHint": false, "supportsQueryWithDatumTransformation": true, "supportsQueryAttachmentsWithReturnUrl": true, "supportsQueryDateBins": false, "supportsQueryWithLodSR": true, "supportsPaginationOnAggregatedQueries": true, "supportsPagination": true, "supportsMaxRecordCountFactor": true, "supportsStatistics": true, "supportsOrderBy": true, "supportsQueryWithDistance": true, "supportsLod": true, "supportsCountDistinct": true, "supportsQueryAttachments": true, "supportsReturningQueryExtent": true, "supportsQueryAttachmentsCountOnly": true, "supportsOrderByOnlyOnLayerFields": false, "supportsOutFieldSqlExpression": true, "supportsTopFeaturesQuery": true, "supportsDistinct": true, "supportsReturningGeometryCentroid": true, "supportsQueryAnalytic": true, "supportsPercentileStatistics": true, "supportsHavingClause": true }, "supportsValidateSQL": true, "enableZDefaults": true, "serviceItemId": "18e1f5b7561b4b9586033b89bee5a378", "allowUpdateWithoutMValues": true, "supportsCoordinatesQuantization": true, "types": [], "capabilities": "Query", "maxScale": 0, "supportsAppend": true, "supportsExceedsLimitStatistics": true, "defaultVisibility": false, "advancedQueryAnalyticCapabilities": { "supportsAsync": false, "supportsLinearRegression": true, "supportsPercentileAnalytic": false }, "hasMetadata": true, "supportedAppendFormats": "shapefile,geojson,csv,featureCollection,excel", "tileMaxRecordCount": 2000, "typeIdField": "", "supportsASyncCalculate": true, "supportedQueryFormats": "JSON, geoJSON, PBF", "sqlParserVersion": "PG_10.9.1", "drawingInfo": { "renderer": { "symbol": { "outline": { "color": [ 110, 110, 110, 255 ], "width": 1, "style": "esriSLSSolid", "type": "esriSLS" }, "color": [ 187, 0, 184, 93 ], "style": "esriSFSSolid", "type": "esriSFS" }, "type": "simple" }, "scaleSymbols": true, "transparency": 0, "labelingInfo": null }, "geometryField": { "modelName": "shape", "nullable": true, "editable": true, "defaultValue": null, "domain": null, "name": "shape", "alias": "Shape", "type": "esriFieldTypeGeometry" }, "copyrightText": "", "zDefault": 0, "geometryType": "esriGeometryPolygon" }