# Stratification of Puerto Rico 2022

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- Spatial_Reference_Information
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Identification_Information:Citation:Citation_Information:Originator:United States Department of Agriculture, National AgriculturalStatistics Service, Research and Development Division, GeospatialInformation Branch, Geographic Science and Survey SectionPublication_Date:2022Title:Stratification of Puerto Rico 2022Publication_Information:Publication_Place:Washington, DCPublisher:U.S. Department of Agriculture, National Agricultural Statistics ServiceOnline_Linkage:https://www.nass.usda.gov/Research_and_Science/stratafront2b.phpDescription:Abstract:The United States Department of Agriculture (USDA), NationalAgricultural Statistics Service (NASS) area sampling frame is adelineation of all parcels of land for the purpose of later sampling theparcels. The area frame is constructed by visually interpreting satelliteimagery to divide a state into homogenous land use areas (strata) basedon percent cultivated.  The strata are typically defined as low, medium orhigh percent cultivated, non-agricultural land, urban use, agri-urban, orwater. The boundaries of the strata usually follow identifiable featuressuch as roads, railroads and waterways. The strata boundaries do notcoincide with any political boundaries, with the exception of municipioboundaries (if needed, Puerto Rico only).Purpose:These data are intended for geographic display and analysis at the statelevel.  The data should be displayed and analyzed at a scale of1:100,000 or smaller (e.g., 1:250,000, etc.).  The strata data areprovided "as is".  USDA/NASS does not warrant results you may obtainusing the strata data.Supplemental_Information:N/ATime_Period_of_Content:Time_Period_Information:Single_Date/Time:Calendar_Date:2022Currentness_Reference:N/AStatus:Progress:CompleteMaintenance_and_Update_Frequency:IrregularSpatial_Domain:Bounding_Coordinates:West_Bounding_Coordinate:-67.952996East_Bounding_Coordinate:-65.217222North_Bounding_Coordinate:18.522725South_Bounding_Coordinate:17.860586Keywords:Theme:Theme_Keyword_Thesaurus:National Agricultural Statistics Service, U.S. Department ofAgriculture, 1987, Area Frame Design for Agricultural Surveys,Washington, D.C., NASS/USDA.Theme_Keyword:StratificationTheme_Keyword:Area sampling frameTheme_Keyword:Land use classes (strata)Place:Place_Keyword_Thesaurus:U.S. Department of Commerce, 1987, Codes for the Identification of theStates, the District of Columbia and the Outlying Areas of The UnitedStates, and Associated Areas (Federal Information Processing Standard5-2):  Washington, D.C., National Institute of Standards and Technology.Place_Keyword:United StatesPlace_Keyword:USAPlace_Keyword:Puerto RicoAccess_Constraints:NoneUse_Constraints:None.  Acknowledgment of the U.S. Department of Agriculture, NationalAgricultural Statistics Service would be appreciated in products derivedfrom these data.Point_of_Contact:Contact_Information:Contact_Person_Primary:Contact_Person:Matt DeatonContact_Organization:USDA/NASS/RDD/GEOSSSContact_Address:Address_Type:mailing addressAddress:1400 Independence Avenue SWCity:Washington DCState_or_Province:DCPostal_Code:20250Contact_Voice_Telephone:202 690 0449Contact_Electronic_Mail_Address:HQ_RD_OD@nass.usda.govData_Set_Credit:GeoSSS staffNative_Data_Set_Environment:Environmental Systems Research Institute (ESRI) ShapefileData_Quality_Information:Logical_Consistency_Report:Checks for topological consistency were performed on this data set.Completeness_Report:There are no known gaps and overlaps within the state.  This data set includes the area insquare miles and number of acres for each strata.  Boundaries may not becoincident with strata boundaries of adjacent states.Positional_Accuracy:Horizontal_Positional_Accuracy:Horizontal_Positional_Accuracy_Report:The sources used for digitizing strata boundaries are 1:24,000 scaleDigital Raster Graphics and 0.5 meter resolution aerial imagery obtained from 	DigitalGlobe (see source below).Quantitative_Horizontal_Positional_Accuracy_Assessment:Horizontal_Positional_Accuracy_Value:5.0Horizontal_Positional_Accuracy_Explanation:Not more than 10 percent of the test points shall be in error by more than 1/50of an inch on original topo map.Lineage:Source_Information:Source_Citation:Citation_Information:Originator:DigitalGlobe, Inc.Publication_Date:2020Title:Aerial Imagery of Puerto RicoPublication_Information:Publication_Place:Westminster, COPublisher:DigitalGlobe, Inc.Source_Scale_Denominator:2000Type_of_Source_Media:digital imagerySource_Time_Period_of_Content:Time_Period_Information:Single_Date/Time:Calendar_Date:2017Source_Currentness_Reference:Source photography dateSource_Citation_Abbreviation:Digital GlobeSource_Contribution:Spatial and attribute informationSource_Information:Source_Citation:Citation_Information:Originator:U.S. Geological Survey (USGS)Publication_Date:1979Title:USGS Topographic QuadranglesPublication_Information:Publication_Place:Reston, VAPublisher:U.S. Geological SurveySource_Scale_Denominator:24000Type_of_Source_Media:On-lineSource_Time_Period_of_Content:Time_Period_Information:Range_of_Dates/Times:Beginning_Date:1978Ending_Date:1990Source_Currentness_Reference:Publication dateSource_Citation_Abbreviation:TopoDRG24Source_Contribution:Spatial and attribute informationSource_Information:Source_Citation:Citation_Information:Originator:U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products BranchPublication_Date:2010Title:TIGER/Line Shapefile, 2010, 2010 state, Puerto Rico, 2010 Census Block State-basedPublication_Information:Publication_Place:Suitland, MDPublisher:U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products BranchType_of_Source_Media:digital downloadSource_Time_Period_of_Content:Time_Period_Information:Single_Date/Time:Calendar_Date:2010Source_Currentness_Reference:Publication dateSource_Citation_Abbreviation:TIGERSource_Contribution:Spatial and attribute informationSource_Information:Source_Citation:Citation_Information:Originator:USDA/NASS/RDD/GeoSSSPublication_Date:2010Title:Land Cover of Puerto RicoPublication_Information:Publication_Place:Fairfax, VAPublisher:USDA/NASS/RDD/GeoSSSType_of_Source_Media:downloadable contentSource_Time_Period_of_Content:Time_Period_Information:Single_Date/Time:Calendar_Date:2010Source_Currentness_Reference:Publication dateSource_Citation_Abbreviation:PR LandcoverSource_Contribution:Spatial and attribute informationSource_Information:Source_Citation:Citation_Information:Originator:National Agricultural Statistics ServicePublication_Date:2022Title:Area Frame Design for Agricultural SurveysPublication_Information:Publication_Place:Washington, DCPublisher:NASS/USDAType_of_Source_Media:PaperSource_Time_Period_of_Content:Time_Period_Information:Single_Date/Time:Calendar_Date:2022Source_Currentness_Reference:Publication dateSource_Citation_Abbreviation:AFSPaperSource_Contribution:Spatial and attribute informationProcess_Step:Process_Description:The area sampling frame for Puerto Rico was constructed for use in 2022and was based on USGS 1:24,000 and 1:100,000 scale topographic maps, 2010 Census 		Bureau TIGER data, 0.5 meter DigitalGlobe, Inc. aerial imagery, and 2010 Land Use 		Cover Layer. Individual county files were merged into single statefile. The 	coordinates for the strata polygons are unprojected to geographic latitude and 	longitude (decimal degrees). The spatial data file format is Environmental Systems 		Research Institute's ArcMap shapefile format. Gaps and overlaps were corrected within 		and ESRI personal geodatabase.Source_Used_Citation_Abbreviation:DigitalGlobe, Inc.Source_Used_Citation_Abbreviation:TopoDRG24000Source_Used_Citation_Abbreviation:TIGERSource_Used_Citation_Abbreviation:2010 Land Use CoverProcess_Date:2022Spatial_Data_Organization_Information:Indirect_Spatial_Reference:U.S. Department of Commerce, 1990, Counties and EquivalentEntities of The United States, Its Possessions, andAssociated Areas (Federal Information Processing Standard6-4): Washington, D.C.  National Institute of Standards andTechnology.Direct_Spatial_Reference_Method:VectorPoint_and_Vector_Object_Information:SDTS_Terms_Description:SDTS_Point_and_Vector_Object_Type:G-PolygonPoint_and_Vector_Object_Count:31,622Spatial_Reference_Information:Horizontal_Coordinate_System_Definition:Planar:Grid_Coordinate_System:Grid_Coordinate_System_Name:Universal Transverse MercatorUniversal_Transverse_Mercator:UTM_Zone_Number:15Transverse_Mercator:Scale_Factor_at_Central_Meridian:0.9996Longitude_of_Central_Meridian:-87.00Latitude_of_Projection_Origin:0.0False_Easting:500000.00False_Northing:0.0Planar_Coordinate_Information:Planar_Coordinate_Encoding_Method:row and columnCoordinate_Representation:Abscissa_Resolution:30Ordinate_Resolution:30Planar_Distance_Units:MetersGeodetic_Model:Horizontal_Datum_Name:North American Datum of 1983Ellipsoid_Name:Geodetic Reference 80Semi-major_Axis:6378137.00Denominator_of_Flattening_Ratio:298.257Entity_and_Attribute_Information:Detailed_Description:Entity_Type:Entity_Type_Label:Land Use StrataEntity_Type_Definition:Homogenous land use area based on percent cultivatedEntity_Type_Definition_Source:U.S. Department of Agriculture, National Agricultural StatisticsServiceAttribute:Attribute_Label:StrataAttribute_Definition:Land use category based on percent cultivatedAttribute_Definition_Source:U.S. Department of Agriculture, National Agricultural StatisticsServiceAttribute_Domain_Values:Enumerated_Domain:Enumerated_Domain_Value:10Enumerated_Domain_Value_Definition:more than 25% cultivated.Enumerated_Domain_Value_Definition_Source:"2022 Area Frame Design Information, Implementation Years ofCurrent NASS Area Frames", NASS GEOSSS, 2022.Attribute_Domain_Values:Enumerated_Domain:Enumerated_Domain_Value:31Enumerated_Domain_Value_Definition:Agri-urban: > 100 homes psqmi.Enumerated_Domain_Value_Definition_Source:"2022 Area Frame Design Information, Implementation Years ofCurrent NASS Area Frames", NASS GEOSSS, 2022.Attribute_Domain_Values:Enumerated_Domain:Enumerated_Domain_Value:32Enumerated_Domain_Value_Definition:Commercial: > 100 homes psqmi.Enumerated_Domain_Value_Definition_Source:"2022 Area Frame Design Information, Implementation Years ofCurrent NASS Area Frames", NASS GEOSSS, 2022.Attribute_Domain_Values:Enumerated_Domain:Enumerated_Domain_Value:40Enumerated_Domain_Value_Definition:Pasture: less than 25% cultivated.Enumerated_Domain_Value_Definition_Source:"2022 Area Frame Design Information, Implementation Years ofCurrent NASS Area Frames", NASS GEOSSS, 2022.Attribute_Domain_Values:Enumerated_Domain:Enumerated_Domain_Value:41Enumerated_Domain_Value_Definition:Wooded: less than 25% cultivated.Enumerated_Domain_Value_Definition_Source:"2022 Area Frame Design Information, Implementation Years ofCurrent NASS Area Frames", NASS GEOSSS, 2022.Attribute_Domain_Values:Enumerated_Domain:Enumerated_Domain_Value:50Enumerated_Domain_Value_Definition:Non-agricultural land.Enumerated_Domain_Value_Definition_Source:"2022 Area Frame Design Information, Implementation Years ofCurrent NASS Area Frames", NASS GEOSSS, 2022.Attribute_Domain_Values:Enumerated_Domain:Enumerated_Domain_Value:62Enumerated_Domain_Value_Definition:water.Enumerated_Domain_Value_Definition_Source:"2022 Area Frame Design Information, Implementation Years ofCurrent NASS Area Frames", NASS GEOSSS, 2022.Attribute:Attribute_Label:Sum_areaAttribute_Definition:The stratum area in square miles.Attribute_Definition_Source:U.S. Department of Agriculture, National Agricultural Statistics ServiceAttribute_Domain_Values:Range_Domain:Range_Domain_Minimum:15.15 (actual value, not range)Range_Domain_Maximum:3,453.50 (actual value, not range)Attribute:Attribute_Label:Sum_acresAttribute_Definition:The amount of acres in a stratum.Attribute_Definition_Source:U.S. Department of Agriculture, National Agricultural Statistics ServiceAttribute_Domain_Values:Range_Domain:Range_Domain_Minimum:9,695.1 (actual value, not range)Range_Domain_Maximum:2,210,236.74 (actual value, not range)Distribution_Information:Distributor:Contact_Information:Contact_Organization_Primary:Contact_Organization:USDA/NASS/RDD/GeoSSSContact_Address:Address_Type:mailing addressAddress:1400 Independence Avenue SWCity:Washington DCState_or_Province:DCPostal_Code:20250Contact_Voice_Telephone:202 690 0449Contact_Instructions:N/ADistribution_Liability:Users of the strata data are solely responsible for interpretations madefrom the product.  The strata data are provided "as is".  USDA/NASS doesnot warrant results you may obtain by using the strata data.  Feel free tocontact our staff at (HQ_RD_OD@nass.usda.gov) if technical questions arisein the use of the strata data.Standard_Order_Process:Digital_Form:Digital_Transfer_Information:Format_Name:ESRI ShapefileDigital_Transfer_Option:Online_Option:Computer_Contact_Information:Network_Address:Network_Resource_Name:<https://www.nass.usda.gov/Research_and_Science/stratafront2b.php>Fees:There is no charge for the online option.Ordering_Instructions:N/AMetadata_Reference_Information:Metadata_Date:20200521Metadata_Contact:Contact_Information:Contact_Person_Primary:Contact_Person:Matthew DeatonContact_Organization:USDA/NASS/RDD/GeoSSSContact_Address:Address_Type:mailing addressAddress:1400 Independence Avenue SWCity:Washington DCState_or_Province:DCPostal_Code:20250Contact_Voice_Telephone:202 690 0449Contact_Electronic_Mail_Address:HQ_RD_OD@nass.usda.govMetadata_Standard_Name:FGDC Content Standards for Digital Geospatial MetadataMetadata_Standard_Version:FGDC-STD-001-1998Metadata_Security_Information:Metadata_Security_Classification_System:NoneMetadata_Security_Classification:UnclassifiedMetadata_Security_Handling_Description:NoneGenerated by mp version 2.9.50 on Thu Sep 29 17:59:18 2022