Virginia Tech’s Conservation Management Institute (CMI) has designed a website called “Wetlands One-Stop” to provide easy online access to geospatial data on wetlands and soils produced by federal and state agencies.  While different agencies post data on their own sites, there is not a single place to go for these data.  Wetlands One-Stop attempts to accomplish this feat.  Wetlands One-Stop was developed jointly by the U.S. Fish and Wildlife Service’s Northeast Region and CMI mainly to provide online access to classification tools for adding hydrogeomorphic-type descriptors (landscape position, landform, water flow path, and waterbody type) to wetland inventory data, actual NWI+ geospatial data (more detailed wetland classifications than traditional NWI data plus preliminary functional assessment for mapped wetlands), and the results of NWI+ projects (maps and reports). The geospatial data are linked to aerial imagery (and topographic maps) through ESRI’s ArcGIS (including ArcGIS Explorer) for easy viewing of wetlands, their characteristics, and functions for areas where NWI+ data are available. Presently such data are posted for Delaware and Long Island, New York, with NWI+ data for the entire states of Connecticut, Massachusetts, New Jersey, and Rhode Island plus Horry and Jasper County (SC), coastal Mississippi, and the Corpus Christi region (TX) scheduled for posting by the end of this year.  Other areas planned for posting in 2013 include the tidewater region of Maryland and a portion of New York’s Lake Ontario watershed, and possibly Pennsylvania’s Lake Erie watershed.  Custom maps may be prepared for areas of interest via ESRI’s ArcGIS tool.  Geospatial data from other special NWI projects may also include inventories of potential wetland restoration sites and identification of areas that may support wetlands based on soil survey mapping but were not interpreted as wetlands via remote sensing for lack of a “wetland signature.”

In building this website, the creators recognized that it would be a valuable public service to provide links to other federal and state websites that contain information on wetlands and geospatial wetland data.  The inclusion of these links led to naming the site – “Wetlands One-Stop.”  Among the national datasets accessible via Wetlands One-Stop are the NWI’s wetlands mapper, USDA’s web soil survey, USGS’s national hydrography data and hydrologic units (HUCs).  Links are also provided to NatureServe Explorer and the U.S. National Vegetation Classification Hierarchy Explorer along with guidance on how to extract descriptions of wetland plant communities from those sites for your area of interest.  The site also contains a primer that provides a broad overview of wetlands – vegetation, soils, types, values, status, and conservation and under the heading “Other Resources” it provides links to federal and state wetland delineation manuals, numerous wetland publications, and federal agency wetland program websites.

Since Wetlands One-Stop is a new website and still in development, we appreciate receiving comments from viewers.  Please submit comments to Ralph Tiner at