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Invasive Phragmites Stands

Summary

Maps of areas greater than 0.2 hectare (0.5 acre) dominated by invasive Phragmites australis were created for the coastal region (shoreline to 10 km inland) of the United States side the Great Lakes and connecting water ways. The maps were developed using unsupervised/supervised classification methods and ground truth data collected during 2010 and 2011 in conjunction with multi-season ALOS PALSAR imagery (for the remote sensing-based iterative classification process), as well as through the interpretation of aerial photography to reduce classification confusion. Overall classification accuracy compared to field data for mapping was approximately 86%.

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Purpose

Maps of invasive Phragmites australis' current distribution were created to provide land managers and the general public with a tool to prioritize control efforts. These maps formed the basis for a vulnerability assessment that incorporated proximity to existing Phragmites, habitat suitability, coastal corridors exposed during periods of reduced lake levels and the configuration of inland surface water networks and wetlands.

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OGC Web Service Extension

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serviceMapUrlhttp://cida.usgs.gov/arcgis/services/GLRI68_Phragmites/MapServer/WmsServer?
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typeWMS

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