Lythrum salicaria, Purple Loosestrife, New York State, 2000

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Identification_Information

Citation:
Citation_Information:
Originator: U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: 200008
Title: Lythrum salicaria, Purple Loosestrife, New York State, 2000
Geospatial_Data_Presentation_Form: vector digital data
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://cugir.library.cornell.edu/catalog/cugir-007325
Description:
Abstract: Purple loosestrife is considered an invasive species. Its displacement of native species in wetlands has led to the loss of suitable habitat for wildlife. This data set contains county-level distribution information for Purple loosestrife (scientific name - Lythrum salicaria) in the United States. The collection year of the specimen is included. These data come from the U.S. Department of Agriculture's Natural Resources Conservation Service's PLANTS Database. This data set portrays the county-level distribution of Lythrum salicaria (common name - purple loosestrife) in the United States of America. These data come from the U.S. Department of Agriculture (USDA) Natural Resources Conservation Service's PLANTS Database, which is the de facto Federal standard for information about the distribution and nomenclature of U.S. plants.
Purpose: These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data. The U.S. Geological Survey assumes no responsibility for the use of these data.
Supplemental_Information: These data are primarily derived from examination of herbarium specimens of purple loosestrife gathered from several institutions. The essence of each record is the institution where the specimen resides, the State and county where it was collected, and the year of collection. Thus these data are structured to allow an analysis of the spread of this introduced noxious weed over time. Note that there are hundreds of herbaria in the United States, and a relatively small number were consulted to build this data set. For this reason, as well as the general unreliability of county-level distribution data (not all counties have been surveyed with equal effort, not all populations have been found, populations sometimes disappear, and plants sometimes move rapidly or are misidentified), these data can provide only a rough cumulative record of the distribution of this plant. This data set contains many records derived from the Cooperative Agricultural Pest Survey (CAPS). These CAPS data are thus somewhat different than the herbarium-derived county records because of the thorough systematic approach--all parts of each State were carefully surveyed--and because these surveys were conducted for different States in different years. Therefore CAPS surveys do not present a linear picture of spread of this weed through time as herbarium records do, since the latter are generally gathered with consistent effort in different years and places. To create similar maps <http://nationalatlas.gov/natlas/natlasstart.asp>, wdlytht.dbf can be joined to the 2000 county boundaries available from the National Atlas download page, <http://nationalatlas.gov/atlasftp.html>. For more information on purple loosestrife, please see <http://plants.usda.gov/cgi_bin/plant_profile.cgi?symbol=LYSA2> in the USDA PLANT Database. Also take a look at ITIS, the Integrated Taxonomic Information System: <http://www.itis.usda.gov/>
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1860
Ending_Date: 1997
Currentness_Reference: Ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -79.763235
East_Bounding_Coordinate: -71.869987
North_Bounding_Coordinate: 45.006139
South_Bounding_Coordinate: 40.506003
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Lythrum salicaria
Theme_Keyword: Plant distribution
Theme_Keyword: Invasive species
Theme_Keyword: Noxious weeds
Theme:
Theme_Keyword_Thesaurus: LCSH
Theme_Keyword: Purple loosestrife
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: biota
Theme_Keyword: environment
Theme:
Theme_Keyword_Thesaurus: CUGIR Category
Theme_Keyword: biology
Theme_Keyword: environment
Place:
Place_Keyword_Thesaurus: LCSH
Place_Keyword: New York (State)
Access_Constraints: None
Use_Constraints: None. Acknowledgment of the USDA Natural Resources Conservation Service and (or) the National Atlas of the United States of America would be appreciated in products derived from these data.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Mark Skinner
Contact_Organization: USDA-NRCS, National Plant Data Center
Contact_Address:
Address_Type: Mailing address
Address: PO Box 74490
City: Baton Rouge
State_or_Province: LA
Postal_Code: 70874
Contact_Voice_Telephone: 225-775-6280
Contact_Electronic_Mail_Address: mskinner@npdc.usda.gov
Browse_Graphic:
Browse_Graphic_File_Name: https://cugir-data.s3.amazonaws.com/00/73/25/preview.png
Browse_Graphic_File_Description: preview of the dataset
Browse_Graphic_File_Type: PNG
Data_Set_Credit: Dr. Lowell Urbatsch of the Louisiana State University did most of the primary herbarium research for this data set.
Native_Data_Set_Environment: Microsoft Excel97 converted to dBASE IV for the National Atlas of the United States of America.

Data_Quality_Information

Attribute_Accuracy:
Attribute_Accuracy_Report: Data are highly accurate: nearly all herbarium specimens of this taxon are correctly identified, and in general herbarium label information including locality and collection year are correct.
Logical_Consistency_Report: Database records are checked routinely to ensure data integrity. There has been no statistical analysis or manipulation, other than quality control tests, performed on these data.
Completeness_Report: This data set contains information on plant distribution for the 50 United States, the District of Columbia, Puerto Rico, and the U.S. Virgin Islands. However, because this taxon does not occur in all these States and territories not all jurisdictions are represented in this data set.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Department of Agriculture Natural Resources Conservation Service National Plant Data Center
Publication_Date: 1999
Title: PLANTS Database
Type_of_Source_Media: Electronic mail system
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1827
Ending_Date: 1995
Source_Currentness_Reference: Ground condition
Source_Citation_Abbreviation: lythrum_data
Source_Contribution: Spatial and attribute information
Process_Step:
Process_Description: The lythrum_data Microsoft Excel97 file was received from USDA Natural Resources Conservation Service. The file contained information about the distribution of Lythrum salicaria. Some the file formatting was changed and it was converted into a dBASE IV database which is the format used by the National Atlas of the United States.
Source_Used_Citation_Abbreviation: lythrum_data
Process_Date: 1999
Process_Step:
Process_Description: In order to geoprocess spatial files for New York State from the National Atlas Data for distribution in CUGIR, the nationwide data files were added to a map document in ArcInfo 8.2. Using the geoprocessing wizard's clip function, the spatial files were clipped to the detailed New York polygon.
Process_Date: 200212

Spatial_Data_Organization_Information

Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: G-polygon
Point_and_Vector_Object_Count: 62

Spatial_Reference_Information

Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.000278
Longitude_Resolution: 0.000278
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: GRS1980
Semi-major_Axis: 6378137
Denominator_of_Flattening_Ratio: 298.257222

Entity_and_Attribute_Information

Entity_Type:
Entity_Type_Label: Lythrum salicaria plant distribution.
Entity_Type_Definition: Distribution of Lythrum salicaria by U.S. county.
Entity_Type_Definition_Source: U.S. Geological Survey
Attributes:
Name Description Values
Fips The State and county FIPS code for the area in which the plant exists. Counties and Equivalent Entities of the United States, Its Possessions, and Associated Areas, FIPS 6-4, 1990
U.S. Department of Commerce, National Institute of Standards and Technology
County The name of the county or county equivalent in which the plant exists. Counties and Equivalent Entities of the United States, Its Possessions, and Associated Areas, FIPS 6-4, 1990.
U.S. Department of Commerce, National Institute of Standards and Technology
State The name of the State in which the plant exists. Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas, FIPS 5-2, 1987.
U.S. Department of Commerce, National Institute of Standards and Technology
Year The collection year for the herbarium specimen. 1827 to 1995
Herbarium The name of the herbarium where the specimen is kept. Note that the Cooperative Agricultural Pest Survey program is not a herbarium but is a combined effort by Federal and State agricultural organizations. For more information go to <http://www.ceris.purdue.edu/napis/>. There is no predefined set of valid herbarium names.

Distribution_Information

Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Albert R. Mann Library
Contact_Address:
Address_Type: mailing and physical
Address: Cornell University
City: Ithaca
State_or_Province: New York
Postal_Code: 14853
Contact_Voice_Telephone: 607-255-5406
Contact_Electronic_Mail_Address: mann-ref@cornell.edu
Distribution_Liability: Cornell University provides these geographic data "as is". Cornell University makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. Cornell University further makes no warranty either expressed or implied, regarding the condition of the product or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these files have been processed successfully on computers at Cornell University, no warranty is made by Cornell University regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Information_Content: zipped shapefile
File_Decompression_Technique: zip
Transfer_Size: 0.08
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Digital_Form:
Digital_Transfer_Information:
Format_Name: metadata
Format_Information_Content: FGDC XML metadata
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
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Digital_Form:
Digital_Transfer_Information:
Format_Name: HTML metadata
Format_Information_Content: FGDC HTML metadata
Digital_Transfer_Option:
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Computer_Contact_Information:
Network_Address:
Digital_Form:
Digital_Transfer_Information:
Format_Name: KML
Format_Information_Content: generated KML, via WFS
Digital_Transfer_Option:
Online_Option:
Digital_Form:
Digital_Transfer_Information:
Format_Name: GeoJSON
Format_Information_Content: generated GeoJSON, via WFS
Digital_Transfer_Option:
Online_Option:
Digital_Form:
Digital_Transfer_Information:
Format_Name: OGC:WMS
Format_Information_Content: WMS, from GeoServer
Digital_Transfer_Option:
Online_Option:
Fees: None

Metadata_Reference_Information

Metadata_Date: 20190524
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Albert R. Mann Library
Contact_Address:
Address_Type: mailing and physical
Address: Albert R. Mann Library
City: Ithaca
State_or_Province: New York
Postal_Code: 14853
Country: USA
Contact_Voice_Telephone: 607-255-5406
Contact_Electronic_Mail_Address: mann-ref@cornell.edu
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time