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Saint Croix National Scenic Riverway Vegetation Mapping Project - Spatial Vegetation Data


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The geographic information system (GIS) format spatial data set of vegetation for Saint Croix National Scenic Riverway (SACN) was created for the National Park Service (NPS) Vegetation Inventory Program (VIP). The SACN administrative boundary covers an area of nearly 39,500 ha. The project boundary for the SACN vegetation mapping project covers an areas of just over 68,200 ha with the approximate 300 m buffer. The map classification scheme used to create the vegetation data set is designed to represent local vegetation types at the finest level possible using the National Vegetation Classification Standard (NVCS) Version 2. Physiognomic information was also recorded, including height (woody vegetation), canopy density, and coverage [...]


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The NPS VIP is an effort to classify, describe, and map existing vegetation of national park units. Managed by the NPS Biological Resources Management Division, the NPS VIP provides baseline vegetation information for the NPS Natural Resource I&M Program. The USGS Vegetation Characterization Program lends a cooperative role in the NPS VIP and serves the data sets on the Internet. Vegetation layers and associated information support a wide variety of resource assessment, park management, and planning needs. They also provide structure for framing and answering critical scientific questions about vegetation communities and their relation to environmental processes across the landscape.

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