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Spatial Vegetation Data for Valley Forge National Historical Park Vegetation Mapping Project

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
15 March 2013
Modified Date
18 March 2015
Update Frequency
notPlanned
Publishers
National Park Service, Department of the Interior
Identifier
spatial-vegetation-data-for-valley-forge-national-historical-park-vegetation-mapping-project
Landing Page
http://catalog.data.gov/dataset/spatial-vegetation-data-for-valley-forge-national-historical-park-vegetation-mapping-project

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Description

The vegetation and landcover of Valley Forge National Historical Park (VAFO) were mapped to the association level of the National Vegetation Classification System developed by The Nature Conservancy and network of Natural Heritage Programs. The mapping process was based on the USGS-NPS Vegetation Mapping Program with some modifications due to the size of the mapped polygons. A total of 308 plots were used to assess the thematic accuracy of the database. The estimated overall thematic accuracy of the database is 81.20 percent. At a 90 percent confidence interval, the estimated minimum overall thematic accuracy is 77.40 percent and the estimated maximum is 85.00 percent. Based on hypothesis testing, the final association level classification meets the minimum overall thematic accuracy of 80 percent specified in NPS vegetation mapping protocols.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

  • The rights statement is at

    http://catalog.data.gov/dataset/spatial-vegetation-data-for-valley-forge-national-historical-park-vegetation-mapping-project Do you think this data is incorrect? Let us know

  • Outside the US, this data is available under

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  • There are

    yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know

  • The content is available under

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  • This data contains

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  • The data appears in this collection

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  • This data changes

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  • Find out how to contact someone about this data at

    http://catalog.data.gov/dataset/spatial-vegetation-data-for-valley-forge-national-historical-park-vegetation-mapping-project Do you think this data is incorrect? Let us know

  • Find out how to suggest improvements to publication at

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