1989-1995 Vegetative Polygon for Caernarvon Basin

Metadata:
Identification_Information:
Citation:
Citation_Information:
Originator:
Louisiana Department of Wildlife and Fisheries, Fur and Refuge Division and the U.S. Geological Survey, Biological Resources Division's National Wetlands Research Center
Publication_Date: 2001
Title: 1989-1995 Vegetative Polygon for Caernarvon Basin
Geospatial_Data_Presentation_Form: Digital vector data
Description:
Abstract:
This data set consists of polygons delineating habitat type in Caernarvon Basin in the years 1989 to 1995. The delineations were generated using the point data collected by Greg Linscombe and Noel Kinler of Louisiana Department of Wildlife and Fisheries, Fur and Refuge Division. The data were gathered along the same flight transects for the years 1989 to 1995.
Purpose: To assess the vegetative parameters of Caernarvon Basin.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1989
Ending_Date: 1995
Currentness_Reference: Ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -89.99
East_Bounding_Coordinate: -89.58
North_Bounding_Coordinate: 29.86
South_Bounding_Coordinate: 29.53
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: vegetation
Theme_Keyword: species
Theme_Keyword: GIS
Theme_Keyword: geographic information system
Theme_Keyword: aerial survey
Theme_Keyword: transect
Theme_Keyword: delineation
Theme_Keyword: aerial photography
Theme_Keyword: vegetative point survey
Theme_Keyword: species code
Theme_Keyword: marsh
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Louisiana
Place_Keyword: Caernarvon
Place_Keyword: Plaquemines
Place_Keyword: Coastal Louisiana
Place_Keyword: Breton Sound
Temporal:
Temporal_Keyword_Thesaurus: None
Temporal_Keyword: 1989
Temporal_Keyword: 1990
Temporal_Keyword: 1991
Temporal_Keyword: 1992
Temporal_Keyword: 1993
Temporal_Keyword: 1994
Temporal_Keyword: 1995
Access_Constraints:
Any downloading and use of these data signifies a user's agreement to comprehension and compliance of the NWRC Standard Disclaimer. Insure all portions of metadata are read and clearly understood before using these data in order to protect both user and NWRC interests. See section 6.3 Distribution Liability.
Use_Constraints:
Acknowledgement of the LA Department of Wildlife and Fisheries and the National Wetlands Research Center as a data source would be appreciated in products developed from these data, and such acknowledgement as is standard for citation and legal practices for data source is expected by users of this data. Sharing new data layers developed directly from these data would also be appreciated by NWRC staff. Users should be aware of that comparisons with other data sets for the same area from other time periods may be inaccurate due to inconsistencies resulting from changes in photo interpretation, mapping conventions, and digital processes over time. These data are not legal documents and are not to be used as such.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
Louisiana Department of Wildlife and Fisheries, Fur and Refuge Division
Contact_Person: Greg Linscombe
Contact_Position: Biologist
Contact_Address:
Address_Type: Mailing and Physical
Address: 2415 Darnall Road
City: New Iberia
State_or_Province: LA
Postal_Code: 70560
Contact_Voice_Telephone: 337 373-0032
Contact_Facsimile_Telephone: 337 373-0181
Contact_Electronic_Mail_Address: linscombe_rg@wlf.state.la.us
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.0.0.535
Cross_Reference:
Citation_Information:
Originator:
Louisiana Department of Wildlife and Fisheries, Fur and Refuge Division and the U.S. Geological Survey, Biological Resources Division's National Wetlands Research Center
Publication_Date: 2001
Title: 1989-1995 Vegetative Data Points for Caernarvon Basin
Publication_Information:
Publication_Place: Lafayette, Louisiana
Publisher: U.S. Geological Survey, National Wetlands Research Center
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The digital data was generated using a tabular database from which values were assigned by the data collector in the field. The accuracy is not based on a formal quantitative assessment and was based on the judgement of the data collector. To attain a better estimate of accuracy, a formal re-evaluation of the area would be necessary to see if there are areas of discrepancies.
Logical_Consistency_Report:
Data is inherently polygonal. Polygons intersecting the neatline are closed along the border. Segments making up the outer and inner boundaries of a polygon tie end to end to completely enclose the area. Line segments are a set of sequentially numbered coordinate pairs. No duplicate features exist nor duplicate points in a data string. Intersecting lines are separated into individual line segments at the points of intersections.
Completeness_Report:
There are no known omissions in the data set. All data were derived in the same general format, through freehand contouring in ArcView by on-screen interpretation utilizing transect point data as a guide for contouring. During the freehand contouring of the lines between marsh types, if a levee existed, the line would follow the levee. If no levee existed, the line would split the space between the marsh types. If a body of water existed between the marsh types, the boundary of the water body would be used to split the two categories.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator:
Louisiana Department of Wildlife and Fisheries, Fur and Refuge Division and the U.S. Geological Survey, Biological Resources Division's National Wetlands Research Center
Publication_Date: 2001
Title: 1989-1995 Vegetative Data Points for Caernarvon Basin
Geospatial_Data_Presentation_Form: Digtial vector data
Publication_Information:
Publication_Place: Lafayette, Louisiana
Publisher: U.S. Geological Survey, National Wetlands Research Center
Type_of_Source_Media: Digital database file
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2001
Source_Currentness_Reference: Source Date
Source_Citation_Abbreviation: LWDF PT
Source_Contribution: Provided data source for marsh delineation
Process_Step:
Process_Description:
The original data were collected through visual field observation by Greg Linscombe and Noel Kinler of LDWF. The observations were made while flying over the study area in a Bell 206 Jet Ranger helicopter. Using a differental GPS and GIS software for navigational purposes, attribute information was entered in a Microsoft Access database. The marsh type delineation were produced by freehanding contours through on-screen interpretation. The flight data were used as a guide for delineating the marsh type lines. The shapefile containing the contour information was created in ArcView and later converted to a coverage in Arc/INFO. The coverage was subsequently cleaned, assigned polygon topology and attributes.
Process_Date: 2002
Spatial_Data_Organization_Information:
Indirect_Spatial_Reference: Caernarvon Basin
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: G-Polygon
Point_and_Vector_Object_Count: 504
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: Unknown
Longitude_Resolution: Unknown
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137
Denominator_of_Flattening_Ratio: 298.257
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Attributes of Caernarvon_vt_89_95_dd.shp
Entity_Type_Definition:
The values for parameters measured in the aerial vegetative surveys between 1989-1995.
Entity_Type_Definition_Source: Project defined.
Attribute:
Attribute_Label: Year
Attribute_Definition: Observation year
Attribute_Definition_Source: Project defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1989
Range_Domain_Maximum: 1995
Attribute_Units_of_Measure: calendar year
Attribute:
Attribute_Label: Habitat
Attribute_Definition: Vegetative Marsh type
Attribute_Definition_Source:
Louisiana Coastal Marsh Vegetative Type Map 1988, Louisiana Department of Wildlife and Fisheries.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: F
Enumerated_Domain_Value_Definition:
Typical vegetation is maidencane (Panicum hemitomon), pennywort (Hydrocotyle spp.), water hyacinth (Eichhornia crassipes), pickerelweed (Pontederia cordata), alligatorweed (Alternanthera philoxeroides), and bulltongue (Sagittaria falcata).
Enumerated_Domain_Value_Definition_Source:
Louisiana Coastal Marsh Vegetative Type Map 1988, Louisiana Department of Wildlife and Fisheries.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: I
Enumerated_Domain_Value_Definition:
Intermediate Marsh. Marshes of low salinity with typical vegetation consisting of wiregrass (Spartina patens), deer pea (Vigna repens), bulltongue, Walter's millet (Echinochloa walteri), bullwhip (Scirpus californicus), and sawgrass (Cladium jamaicense).
Enumerated_Domain_Value_Definition_Source:
Louisiana Coastal Marsh Vegetative Type Map 1988, Louisiana Department of Wildlife and Fisheries.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: B
Enumerated_Domain_Value_Definition:
Brackish Marsh. Marshes of moderate salinity with typical vegetation consisting of wiregrass, three-cornered grass (Scirpus olneyi), saltmarsh bulrush (Scirpus robustus), and widgeongrass (Ruppia maritima).
Enumerated_Domain_Value_Definition_Source:
Louisiana Coastal Marsh Vegetative Type Map 1988, Louisiana Department of Wildlife and Fisheries.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: S
Enumerated_Domain_Value_Definition:
Salt Marsh. Typical vegetation is oystergrass (Spartina alterniflora), glasswort (Salicornia spp.), black rush (Juncus roemerianus), saltwort (Batis maritima), black mangrove (Avicennia germinans), and saltgrass (Distichlis spicata).
Enumerated_Domain_Value_Definition_Source:
Louisiana Coastal Marsh Vegetative Type Map 1988, Louisiana Department of Wildlife and Fisheries.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: U
Enumerated_Domain_Value_Definition: Undefined or non-marsh
Enumerated_Domain_Value_Definition_Source:
Louisiana Coastal Marsh Vegetative Type Map 1988, Louisiana Department of Wildlife and Fisheries.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: W
Enumerated_Domain_Value_Definition: Water
Enumerated_Domain_Value_Definition_Source:
Louisiana Coastal Marsh Vegetative Type Map 1988, Louisiana Department of Wildlife and Fisheries.
Overview_Description:
Entity_and_Attribute_Overview:
The data set consists of the following attributes: Shape (ESRI software defined), area_meter, perimeter, acres, hectares, year (the year the data was recorded), habitat (habitat code). See below for habitat code and type values.
Entity_and_Attribute_Detail_Citation: Project defined
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey, National Wetlands Research Center
Contact_Person: Steve Hartley
Contact_Position: Senior Geographer/GIS Specialist
Contact_Address:
Address_Type: Mailing and Physical
Address: 700 Cajundome Blvd
City: Lafayette
State_or_Province: LA
Postal_Code: 70506
Country: USA
Contact_Voice_Telephone: 337 266-8543
Contact_Facsimile_Telephone: 337 266-8616
Contact_Electronic_Mail_Address: steve_hartley@usgs.gov
Resource_Description: Downloadable Data
Distribution_Liability:
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 accuracy or utility of the data or any other 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 strongly recommended that these data are directly acquired from a U.S. Geological Survey server, and not indirectly through other sources which may have changed the data in some way. It is also strongly recommended that careful attention be paid to the contents of the metadata file associated with these data. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and/or contained herein. So, these data are provided "as is" and without any express or implied warranties, including without limitations, the implied warranties of merchantability and fitness for a particular purpose. Also, use of trade names or commercial products in this metadata is solely for the purpose of providing specific information, and does not imply recommendation or endorsement by the U.S. Government.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ArcView Shapefile
Format_Version_Number: 3.2
File_Decompression_Technique: None
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: <http://sabdata.nwrc.gov>
Fees: None, if available on-line
Custom_Order_Process: None
Metadata_Reference_Information:
Metadata_Date: 20050720
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey, National Wetlands Research Center
Contact_Position: Metadata Specialist
Contact_Address:
Address_Type: Mailing and Physical
Address: 700 Cajundome Blvd
City: Lafayette
State_or_Province: LA
Postal_Code: 70506
Country: USA
Contact_Voice_Telephone: 337 266-8500
Contact_Facsimile_Telephone: 337 266-8513
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Access_Constraints: None
Metadata_Use_Constraints:
Acknowledgement of the National Wetlands Research Center as the metadata source would be appreciated. Please cite the original metadata when using portions to created another record for slightly altered data, such as reprojection.
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile
Generated by mp version 2.7.33 on Wed Jul 20 10:47:56 2005