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This data has achieved Bronze level on 23 October 2015 which means this data makes a great start at the basics of publishing open data.

Spatial Vegetation Data for Voyageurs National 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-voyageurs-national-park-vegetation-mapping-project
Landing Page
http://catalog.data.gov/dataset/spatial-vegetation-data-for-voyageurs-national-park-vegetation-mapping-project

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Description

The vegetation spatial database coverage is of Voyageurs National Park and extended environs, covering 156,886 hectares (387,674 acres). Voyageurs National Park comprises 88,244 hectares (218,055 acres) of the total coverage area (56%). Almost 33,000 polygons make up the coverage, each with map unit description and physiognomic attribute information. The database provides crosswalk information to all USNVC floristic and physiognomic levels and several other classification systems (ecological groups/subgroups, Minnesota communities, NW Ontario forest and wetland ecosystems, USGS land use/land cover). A total of 50 USNVC associations make up the vegetation at Voyageurs National Park and environs. With all vegetation types, land use classes, and park specific categories combined, a total of 67 map units define the ground features within the project area. Applicable physiognomic modifiers define each vegetation map unit in more detail about the vegetation structure within a polygon (density, pattern, height, dominance). The spatial database was produced from the interpretation of fall 1995 and 1996 1:15,840-scale color infrared (CIR) aerial photographs. The interpreted data were transferred and automated using base maps produced from USGS digital orthophoto quadrangles (DOQ's) or using Ontario Basic Mapping Series (OBM) topographic maps. About 92% of the spatial coverage is produced using the DOQ-based maps. The finished spatial database is a single seamless coverage. The estimated overall thematic accuracy for vegetation map units is 82.4%.

Información General

Información legal

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.

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