This GIS data set represents the saltwater marsh areas in Florida. The data are a compilation of available land use and land cover information mapped by Florida's water management districts. The most recent data available as of June 2018 are used; the photography dates are between 1999 and 2016.
This data set was created as a statewide compilation of saltwater marsh areas to use for mapping and analysis based on the most current data available. This information is not appropriate for time series analysis with previous compilations since the mapping methodology is different.
Prior to July 1, 2004, the Fish and Wildlife Research Institute (FWRI) was known as the Florida Marine Research Institute (FMRI). The institute name has not been changed in historical data sets or references to work completed by the Florida Marine Research Institute. The institute name has been changed in references to ongoing research, new research, and contact information.
publication date
Users are encouraged to read and fully comprehend the metadata record prior to using these data. Please acknowledge the Florida Fish and Wildlife Conservation Commission (FWC) as the data source for any products developed from these data. Users should be aware that comparison with other data sets for the same area may be inaccurate due to inconsistencies resulting from changes in mapping conventions, data collection techniques, and computer processes over time. FWC shall not be liable for improper or incorrect use of these data.
100 Eighth Avenue Southeast
Florida's water management districts provided the land use and land cover data.
GeoPlan relied on the integrity of the attribute information within the original data.
These data were tested for consistency by running a topology in ArcGIS 10. The data do not overlap and the data are all polygons, of greater area than the default tolerance.
These data are complete for the state of Florida.
Positional accuracy varies by data set. See individual land use land cover metadata for details on a particular mapping effort.
This data is provided 'as is' and its vertical positional accuracy has not been verified by GeoPlan
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
Spatial and Attribute Information
The land use land cover data were reselected for code 6420 "Salt Marsh". Areas were compiled based on interpreted area for each mapping effort. In cases of overlap, the most recent mapping effort was used. In SFWMD the areas mapped differ between 1999 and 2004-05; in SWFWMD, the areas mapped differ between 2004 and 2007. The more recent data was used where available by using the interpreted area of the more recent study to ERASE the earlier data in applicable areas. Other overlapping areas were also present: 2007 SWFWMD area overlapped the SFWMD area slightly. The same method was used to ERASE the overlapping areas between studies. The data were merged to create a statewide compilation and a topology was run to ensure no overlaps exist in the final data set. The data were loaded to ArcSDE.
The data were updated to include the SRWMD 2006-2008 landuse data.
The data were updated to include SWFWMD 2008 landcover data.
The data were updated to include 2006-07 NWFWMD landcover and 2009 SWFWMD landcover data.
The data were updated to include 2009-10 NWFWMD, 2009 SJRWMD and 2008-09 SFWMD data.
Fish and Wildlife Research Institute
100 Eighth Avenue Southeast
This data set was edited to include 2010 SWFWMD, 2010-11 SRWMD, and a small gap was filled with 2005 SWFMD landcover data.
This data set was edited to include 2011 SWFWMD data.
The data were updated to include 2012 landcover data from SFWMD in Lee and Collier Counties and a portion of the Everglades.
The data were updated to include 2012-2013 NWFWMD landcover, and detailed vegetation mapping from the Biscayne Bay area from 2004 and 2008.
The data were updated to include landcover data from 2015-16 NWFWMD, 2014 SJRWMD, 2011-13 SFWMD, 2013-14 SRWMD.
GeoPlan downloaded this data in shapefile format from the Florida Fish and Wildlife Conservation Commission-Fish and Wildlife Research Institute FTP site on August 2, 2018. The data was received as a shapefile in projection: NAD_1983_2011_Florida_GDL_Albers. The dataset was then projected from NAD_1983_2011_Florida_GDL_Albers to FGDL Albers HPGN using the NAD_1983_HARN_To_NAD_1983_2011 transformation - Added a FGDLAQDATE field based on date received from source - Renamed shapefile from salt_marsh_fl_poly to salt_marsh_2016 - Deleted fields SHAPE.LEN and SHAPE.AREA - Upcased all records in the attribute table
Dataset copied.
Internal feature number.
ESRI
Feature geometry.
ESRI
Date of source material.
FFWCC-FWRI
Metadata name of source data for additional reference.
FFWCC-FWRI
Description of feature for identification purposes.
FFWCC-FWRI
FGDL added field base on date received from source.
Geoplan
Unique ID added by GeoPlan
GeoPlan
Area in meters
GeoPlan
Perimeter in meters
GeoPlan
431 Architecture PO Box 115706
The Florida Geographic Data Library is a collection of Geospatial Data compiled by the University of Florida GeoPlan Center with support from the Florida Department of Transportation. GIS data available in FGDL is collected from various state, federal, and other agencies (data sources) who are data stewards, producers, or publishers. The data available in FGDL may not be the most current version of the data offered by the data source. University of Florida GeoPlan Center makes no guarantees about the currentness of the data and suggests that data users check with the data source to see if more recent versions of the data exist. Furthermore, the GIS data available in the FGDL are provided 'as is'. The University of Florida GeoPlan Center makes no warranties, guaranties or representations as to the truth, accuracy or completeness of the data provided by the data sources. The University of Florida GeoPlan Center makes no representations or warranties about the quality or suitability of the materials, either expressly or implied, including but not limited to any implied warranties of merchantability, fitness for a particular purpose, or non-infringement. The University of Florida GeoPlan Center shall not be liable for any damages suffered as a result of using, modifying, contributing or distributing the materials. A note about data scale: Scale is an important factor in data usage. Certain scale datasets are not suitable for some project, analysis, or modeling purposes. Please be sure you are using the best available data. 1:24000 scale datasets are recommended for projects that are at the county level. 1:24000 data should NOT be used for high accuracy base mapping such as property parcel boundaries. 1:100000 scale datasets are recommended for projects that are at the multi-county or regional level. 1:125000 scale datasets are recommended for projects that are at the regional or state level or larger. Vector datasets with no defined scale or accuracy should be considered suspect. Make sure you are familiar with your data before using it for projects or analysis. Every effort has been made to supply the user with data documentation. For additional information, see the References section and the Data Source Contact section of this documentation. For more information regarding scale and accuracy, see our webpage at: http://geoplan.ufl.edu/education.html
Contact GIS Librarian by e-mail, telephone, or letter explaining which products are needed and providing a brief description of how the products will be used. Also, provide name and address of the person or organization requesting the products.
Fish and Wildlife Research Institute
100 Eighth Avenue Southeast