Conservation Management Institute 200204 1.0 vector digital data http://www1.usgs.gov/vip/fiis/fiisaa.zip doi:10.5066/F7FT8J0K This dataset was compiled to provide users with the geographic locations of the accuracy assessment plots used to assess the Fire Island Vegetation Map classification system. The purpose of this data is to provide the managers and researchers on Fire Island with an accurate spatially referenced dataset to assist in their efforts. 200109 ground condition as of 2001 Complete None planned Fire Island National Seashore, New York, USA -73.305740 -72.756824 40.783224 40.612470 none accuracy assessment GPS vegetation classification vegetation key none Fire Island William Floyd Estate None These data were designed to identify and map vegetation polygons only. They are not appropriate for other uses such as legal property boundary identification, tax assessment, etc. Conservation Management Institute Scott Klopfer GIS & Remote Sensning Division Coordinator mailing and physical address

203 West Roanoke Street

Blacksburg Virginia 24061 USA 540 231 7348 none 540 231 7019 sklopfer@vt.edu 8-5 Monday through Friday EST email preferred http://www1.usgs.gov/vip/fiis/fiisaa.pdf 225 kbyte file showing vegetation associations and location of accuracy assessment points PDF Microsoft Windows 2000 Version 5.0 (Build 2195) ; ESRI ArcCatalog 8.1.0.642 The classification of vegetation for this accuracy assessment was accomplished through the use of a vegetation key. Field assessors, at times, felt as if they did not have a "good" option when using the key. These points are discussed in detail in the final report. Points were created from GPS data recorded in the field. These points represent the target accuracy assessment points actually visited in the field. Location information was taken with a GPS and differentially corrected. No quantitative report of accuracy is available, but standard deviations calculated for each position were used to filter locations before use in the accuracy assessment. Points were selected at random within each vegetation association on Fire Island. These points were then broken up into routes which covered a specific region of Fire Island. Assessors used field keys prepared by NatureServe to classify polygons in which accuracy assessment targets were found. They also included notes as to the confidence they had in their classification and the spatial accuracy of their point. All information was recorded on a GPS unit which also recorded a positon for the interpreted location. 200109 0 Vector Entity point 428 Universal Transverse Mercator 18 0.999600 -75.000000 0.000000 500000.000000 0.000000 coordinate pair 0.000128 0.000128 meters North American Datum of 1983 Geodetic Reference System 80 6378137.000000 298.257222 fiisaa Shapefile attribute table. Accuracy Assessment Point Dataset information for the entire length of Fire Island and the William Floyd Estate. The accuracy assessment mission was conducted in September of 2001. The data and location of each point was collected with a GPS unit. We used guidelines from The Nature Conservancy (1994) to determine the number of accuracy assessment points needed for Fire Island. Conservation Management Institute. FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. AREA Area of feature in internal units squared. ESRI Area is always zero for point coverages. Values are automatically generated. PERIMETER Perimeter of feature in internal units. ESRI Textual description of vegetation association. AA_ Internal feature number. ESRI. Sequential unique whole numbers that are automatically generated. AA_ID User-defined feature number. ESRI. Sequential unique whole numbers that are automatically generated. AA_CLASSS The vegetation classification assigned in the field. ESRI Sequential unique whole numbers that are automatically generated. Fire Island Vegetation Codeset Conservation Management Institute CORRCODE Code used to denote spatial or thematic corrections used on the point for the fuzzy accuracy assessment ESRI 1 No corrections/modifications Conservation Management Institute 2 Spatial Modifications Conservation Management Institute 3 Thematic modification Conservation Management Institute 4 Spatial and Thematic Change Conservation Management Institute 5 Point removed Conservation Management Institute SIZECODE Code used to denote whether the point was used to assess polygons larger or equal to the MMU, or smaller than the MMU. ESRI 1 Point used to AA polygons equal to or larger than the MMU Conservation Management Institute 2 Point used to AA polygons less than the MMU Conservation Management Institute. X_EASTING Easting coordinate of site location. Conservation Management Institute Easting coordinate. Y_NORTHING Northing coordinate of site location. Conservation Management Institute Northing coordinate. POLYGONID Unknown field created by originator but not documented. Conservation Management Institute Numerical. SCALE Unknown field created by originator but not documented. Conservation Management Institute Numerical. ANGLE Unknown field created by originator but not documented. Conservation Management Institute Numerical. USGS/CSS/Core Science Analytics and Synthesis USGS-NPS Vegetation Characterization Program Program Coordinator mailing and physical address

Denver Federal Center, Building 810, MS 302

Denver Colorado 80225 (303) 202-4220 303-202-4219 gs-b-npsveg@usgs.gov Downloadable Data The U.S. Geological Survey and the National Park Service shall not be held liable for improper or incorrect use of the data described and/or contained herein. These data and related graphics (if available) are not legal documents and are not intended to be used as such. The information contained in these data is dynamic and may change over time. The data are not better than the original sources from which they were derived. It is the responsibility of the data user to use the data appropriately and consistent within the limitations of geospatial data in general and these data in particular. Any related graphics (if available) are intended to aid the data user in acquiring relevant data; it is not approriate to use the related graphics as data. The U.S. Geological Survey and the National Park Service gives no warranty, expressed or implied, as to the accuracy, reliability, or completeness of these data. It is strongly recommended that these data are directly acquired from an U.S. Geological Survey and National Park Service servers and not indirectly through other sources which may have changed the data in some way. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data. It is also strongly recommended that careful attention be paid to the contents of the metadata file associated with these data. Mention of trade names or commercial products in this metadata report does not constitute endorsement or recommendation for use by the U. S. Department of the Interior, U. S. Geological Survey and National Park Service. HTML http://www.usgs.gov/core_science_systems/csas/vip/parks/fiis.html Internet Access None 20020426 20100520 USGS/CSS/Core Science Analytics and Synthesis USGS-NPS Vegetation Characterization Program Program Coordinator mailing and physical address

Denver Federal Center, Building 810, MS 302

Denver Colorado 80225 (303) 202-4220 303-202-4219 gs-b-npsveg@usgs.gov FGDC Biological Data Profile of the Content Standard for Digital Geospatial Metadata FGDC-STD-001.1-1999 http://www.usgs.gov/core_science_systems/csas/metadata/index.html