World Wildlife Fund Ecoregions represent 24,944 defined global ecoregions. Ecoregions are defined as relatively large areas of land or water that share a large majority of their species, dynamics, and environmental conditions.
Purpose
Dataset was developed for use by GIS software in global or continental scale applications.
Temporal Extent
Currentness Reference
publication date
Time Instant
1999
Bounding Box
West
-180.000000
East
180.000000
North
83.623596
South
-67.600006
ISO Topic Category
biota
environment
Theme Keyword
ecoregions
biology
biodiversity
environment
Theme Keyword Thesaurus
none
Place Keyword
Temporal Keyword
Access Restrictions
Data is licensed to Harvard University affiliates only. Copyright World Wildlife Fund, Inc.
Use Restrictions
All uses of the dataset must be attributed to the World Wildlife Fund
Status
Complete
Maintenance and Update Frequency
Unknown
Point of Contact
Contact Organization
World Wildlife Fund
Delivery Point
1250 Twenty-Fourth Street, N.W.
Delivery Point
P.O. Box 97180
City
Washington
State
DC
Postal Code
20090-7180
Country
USA
Credit
Environmental Research Systems Institute, Redlands, CA
Native Data Set Environment
Microsoft Windows NT Version 4.0 (Build 1381) Service Pack 5; ESRI ArcCatalog 8.1.0.642
Collection
Originator
ESRI, Inc
Publication Date
1999
Title
ESRI Data and Maps
Edition
1
Geospatial Data Presentation Form
vector digital data
Data Quality Information
Attribute Accuracy Report
Attribute accuracy report not available
Logical Consistency Report
Logical consistency test descriptions not available
Completeness Report
Completeness report not available
Horizontal Positional Accuracy Report
Positional accurancy report not available
Lineage
Source
Originator
NIMA
Publication Date
1992
Title
Digital Chart of the World
Edition
1
Geospatial Data Presentation Form
vector digital data
Online Linkage
geodesy.harvard.edu
Source Scale Denominator
1,000,000
Type of Source Media
CD-ROM
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
1999
Source Currentness Reference
publication date
Contribution
Digital Chart of the World was used as the base to derive this dataset.
Spatial Data Organization Information
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
24944
Spatial Reference Information
Horizontal Coordinate System Definition
Geographic
Latitude Resolution
0.000001
Longitude Resolution
0.000001
Geographic Coordinate Units
Decimal degrees
Geodetic Model
Horizontal Datum Name
D_WGS_1984
Ellipsoid Name
WGS_1984
Semi-major Axis
6378137.000000
Denominator of Flattening Ratio
298.257224
Entity and Attribute Information
Entity Type
Entity Type Label
wwf_eco
Attributes
FID
Internal feature number. (Sequential unique whole numbers that are automatically generated.)
Definition Source
ESRI
Shape
Feature geometry. (Coordinates defining the features.)
Definition Source
ESRI
ECOREGION
Ecoregion Name
Definition Source
ESRI
MHT_NAME
Major habitat for the ecoregion
Definition Source
ESRI
BDI
Biological Distinctiveness Index
1
Globally Outstanding
2
Regionally Outstanding
3
Bioregionally Outstanding
4
Locally Important
0
Not Assessed or Unknown
Definition Source
WWF
THREAT
The degree of threat to the ecoregion
1
Critical
2
Endangered
3
Vulnerable
4
Relatively Stable
5
Relatively Intact
0
Not Assessed or Unknown
Definition Source
WWF
FINAL
The final assessment of the ecoregion as the estimated threat to the ecoregion over the next 20 years
1
Critical
2
Endangered
3
Vulnerable
4
Relatively Stable
5
Relatively Intact
0
Not Assessed or Unknown
Definition Source
WWF
Distribution Information
Format Name
SHP
Distributor
Harvard University Libraries
Online Access
geodesy.harvard.edu
Name
Metadata Reference Information
Metadata Date
20010618
Metadata Review Date
none
Metadata Contact
Contact Information
Contact Organization Primary
Contact Organization
Geodesy Project
Contact Address
Address
Harvard University Libraries
City
Cambridge
State or Province
MA
Postal Code
02138
Country
USA
Contact Voice Telephone
495-3724
Metadata Standard Name
FGDC Content Standards for Digital Geospatial Metadata
