FLORIDA GEOGRAPHIC DATA LIBRARY DOCUMENTATION
VERSION 2003, RELEASED NOVEMBER 2002.

FFWCC SPECIES POTENTIAL HABITAT MODELS

Geodataset Name:      FFWCC_SPP
Geodataset Type:      SHAPE
Geodataset Feature:   POLYGON

GENERAL DESCRIPTION:

This dataset contains 121 species potential habitat models created
by the Florida Fish & Wildlife Conservation Commission. 

DATA SOURCE(S):                   Florida Fish & Wildlife Conservation Commission (FFWCC)

SCALE OF ORIGINAL SOURCE MAPS:    N/A, See User Notes

DATE OF AUTOMATION OR SOURCE:     1985-1989

GEODATASET EXTENT:                State of Florida 

Datafile Name:  FFWCC_SPP.DBF

ITEM NAME       TYPE        WIDTH

ID              INTEGER      10
GRIDCODE        INTEGER      10
SUM_TOTAL       DOUBLE       11
DESCRIPT        STRING      254
LEGEND          INTEGER       1

FEATURE ATTRIBUTE TABLES CODES AND VALUES:

ITEM NAME       DESCRIPTION

ID              Unique polygon identification number 

GRIDCODE        Grid value from combined grid 

SUM_TOTAL       Total Number of species habitat models found within 
                  the polygon

DESCRIPT        Names of habitat models found within the polygon
                (See User Notes below for common & scientific names)

LEGEND          Numeric value from 1-4 for display. 
                    1  =   1-6 species
                    2  =   7-12 species
                    3  =   13-18 species 
                    4  =   19 and greater species 

USER NOTES:

Some notes on how the habitat models were combined:
The COMBINE function in ArcInfo Grid combines multiple grids on a
cell-by-cell basis, resulting in a unique output value for each
unique combination of input values. The result from combining all
habitat models in this manner allows a user to evaluate the presence
or absence of all 121 habitat models without having to view and
analyze each habitat model separately. The resulting combined grid
layer shows the unique combination of habitat models found in each
particular cell. The resultant data layer for the Environmental
Screening Tool (EST) is a vector layer, in which every polygon
contains a unique combination of habitat models.

The process for combining all 121 habitat models involved multiple
steps because of ArcInfo Grid limitations. An attempt was made to
combine all 121 habitat models into one statewide grid, but the
number of values (representing the unique combinations of habitat
models) exceeded the limit for ArcInfo Grid.

Instead, the raster habitat models were first combined by district, 
then merged back together in ArcSDE. The attribute table for each
combined district grid contained 121 binary fields, one field for
each species. The values for each binary field equal 1 or 0,
where 1 = presence of a particular habitat model and 0 = absence of 
a habitat model. Using these binary fields, a descript field was 
created. For each polygon, if a field was equal to one, then the 
descript field was calculated to include the name of that species 
habitat model. The legend below lists the common name for each habitat 
model name. (The naming convention is the original one used by FFWCC).

DATA LINEAGE SUMMARY:

GeoPlan obtained habitat models from the FFWCC in 2003 via the
CDROM, 'Selected Wildlife Conservation GIS Layers'. These habitat
models were used in two reports published by the FFWCC's Office of
Environmental Services - (1) 'Closing the Gaps in Florida's Wildlife
Habitat Conservation System' and (2) 'Habitat Conservation Needs of
Rare and Imperiled Wildlife'. The original habitat models were in
grid format with a cell size of 100 meters x 100 meters. 

The raster habitat models were combined by FDOT district and then
converted to shapefile.  A descript field was calculated for each
polygon to indicate which habitat models are present in each polygon.

MAP PROJECTION PARAMETERS:

Projection                          ALBERS
Datum                               HPGN
Units                               METERS
Spheroid                            GRS1980
1st Standard Parallel               24  0  0.000
2nd Standard Parallel               31 30  0.000
Central Meridian                   -84 00  0.000
Latitude of Projection's Origin     24  0  0.000
False Easting (meters)              400000.00000
False Northing (meters)              0.00000

DATA SOURCES CONTACT(S):

Name:           Florida Fish & Wildlife Conservation Commission	 
Abbr.name: 	FFWCC	
Address: 	620 South Meridian Street, Tallahassee, FL 32399-1600	
Phone: 		850-488-6661		
Web site: 	http://myfwc.com/oes/habitat_sec/GIS/gis_home.htm       
        
Contact Person: Randy Kautz               

FGDL CONTACT:

Name:                    Florida Geographic Data Library
Abbr. Name:              FGDL
Address:                 Florida Geographic Data Library
                         431 Architecture
                         PO Box 115706
                         Gainesville, FL  32611-5706
Web site:                http://www.fgdl.org
Contact FGDL:
      Technical Support:                http://www.fgdl.org/fgdlfeed.html
      FGDL Frequently Asked Questions:  http://www.fgdl.org/fgdlfaq.html
      FGDL Mailing Lists:               http://www.fgdl.org/fgdl-l.html
      For FGDL Software:                http://www.fgdl.org/software.html