World
Wildlife Fund Ecoregions
GeoDataset
name: WWF_Eco
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.
WWF_Eco -- World Wildlife Fund Ecoregions
24,944
polygons, 5 descriptive fields. Defines the World Wildlife Fund Ecoregions.
Fields:
Ecoregion
-- The ecoregion name. They are defined as relatively large areas of land or
water that share a large majority of their species, dynamics, and environmental
conditions. There are nearly 900 ecoregions for the world. (String)
Mht_name
-- The major habitat for the area. There are 16 major habitats for the world.
(String)
Bdi --
The biological distinctiveness index. It is based on the species richness,
endemism, rareness, etc. (Number)
1 =
Globally Outstanding
2 =
Regionally Outstanding
3 =
Bioregionally Outstanding
4 =
Locally Important
0 = Not
Assessed or Unknown
Threat
-- The degree of threat to the ecoregion. Such threats are from logging,
conversion to agriculture/urbanization, etc. (Number)
1 =
Critical
2 =
Endangered
3 =
Vulnerable
4 =
Relatively Stable
5 =
Relatively Intact
0 = Not
Assessed or Unknown
Final
-- The final assessment of the ecoregion as the estimated threat to the
ecoregion over the next 20 years. (Number)
1 =
Critical
2 =
Endangered
3 =
Vulnerable
4 =
Relatively Stable
5 =
Relatively Intact
0 = Not
Assessed or Unknown
World
Wildlife Fund Ecoregions - Technical Description
GeoDataset
name: WWF_Eco
Shapefile
name: wwf_eco.shp
Path:
ESRI Data & Maps 1 (CD) \world
GeoDataset
type: WWF_Eco is an ESRI shapefile with polygon features.
GeoDataset
lineage: This geodataset is from the World Wildlife Fund using ESRI's Digital
Chart of the World for the basemap.
Coordinate
system: Latitude/Longitude in decimal degrees.
Datum
Name: World Geodetic System of 1984 datum.
Coordinate
precision: Double.
Useful
display scales:
Suggested
display scales are as follows:
For the
entire world: 1:200,000,000
For
individual continents: 1:100,000,000
For
regions of the world: 1:50,000,000
Largest
scale: 1:5,000,000