[Keyword='WETLANDS']
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National Wetlands Inventory (Polygons)
Entry ID:
MassGIS_GISDATA.NWI_POLY
Summary
Abstract:
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the Commonwealth of Massachusetts. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). The dataset was created by the National Wetlands Inventory program (http://www.fws.gov/nwi/) within the U.S. Fish & Wildlife Service. Certain wetland ...
 Purpose: The present goal of the Service is to provide the citizens of the United States and its Trust Territories with current geospatially referenced information on the status, extent, characteristics and functions of wetlands, riparian, deepwater and related aquatic habitats in priority areas to promote the understanding and conservation of these resources. SUPPLEMENTAL INFORMATION: The wetland maps ...
Related URL
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
U.S. Fish and Wildlife Service
Dataset Title:
National Wetlands Inventory (Polygons)
Dataset Series Name:
Classification of Wetlands and Deepwater Habitats of the United States. U.S. DOI, Fish and Wildlife Service, Washington, DC. FWS/OBS-79/31.
Dataset Release Date:
2006-10-01
Dataset Release Place:
Washington, D.C.
Dataset Publisher:
U.S. Fish and Wildlife Service, Division of Habitat and Resouce Conservation
Data Presentation Form:
vector digital data
Online Resource:
http://wetlandsfws.er.usgs.gov
Temporal Coverage
Start Date:
1977-01-01
Data Resolution
Vertical Resolution:
1.000000
ISO Topic Category
Quality
ATTRIBUTE ACCURACY REPORT: The source data was checked using standard review procedures. Attributes were checked by using visual inspection as well as automated verification routines. Quality of the attribute information varies with age and mapping protocols used when individual maps were prepared
LOGICAL CONSISTENCY REPORT: Polygon and chain-node topology are present. Every polygon has a label. ...
Access Constraints
ACCESS CONSTRAINTS: None
DISTRIBUTION LIABILITY: Although these data have been processed successfully on a computer system at the U.S. Fish and Wildlife Service, no warranty expressed or implied is made by the U.S. Fish and Wildlife Service regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty. No responsibility is assumed by the U.S. Fish and Wildlife Service in the use of these data.
Use Constraints
USE CONSTRAINTS: None. Acknowledgement of the U.S. Fish and Wildlife Service and (or) the National Wetlands Inventory would be appreciated in products derived from these data
FEES: There is no charge for the online option. Requests for large amounts of data are handled on a cost reimbursable basis. Ancillary Keywords
Data Set Progress
IN WORK
Data Center
Distribution
Distribution Size:
142.822
Distribution Format:
ESRI Shapefile or Personal Geodatabase
Fees:
See Use Constraints.
Personnel
Role:
TECHNICAL CONTACT
Role:
DIF AUTHOR
Phone:
608 783 8425
Email:
tom_dahl at fws.gov
Contact Address:
National Wetlands Inventory
U.S. Fish and Wildlife Service
NSST
505 Science Drive
City:
Madison
Province or State:
WI
Postal Code:
53711-1060
Country:
USA
Creation and Review Dates
DIF Creation Date:
2007-11-01
Last DIF Revision Date:
2009-03-24
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