'$RCSfile: eml-coverage.xsd,v $'
Copyright: 2000 Regents of the University of California and the
National Center for Ecological Analysis and Synthesis
For Details: http://knb.ecoinformatics.org/
'$Author: cjones $'
'$Date: 2001-12-18 05:42:55 $'
'$Revision: 1.27 $'
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eml-coverage
The eml-coverage module contains fields for describing the
coverage of a resource in terms of time, space, and taxonomy. These
coverages (temporal, spatial, and taxonomic) represent the extent
of applicability of the resource in those domains.
Coverage information
The geographic, temporal, and taxonomic extents of the resource being
described.
The coverage element provides a series of sub-fields that describe the
overall geographic, temporal, and taxomomic extents of the resource
being described, usually a dataset.
Please see the individual sub-fields for specific examples.
The coverage element is derived from the NBII standard.
Geographic coverage
Geographic coverage information.
Geographic Coverage is a container for spatial information about a
project, a resource, or an entity within a resource. It allows a
bounding box for the overall coverage (in lat long), and also
allows descriptin of arbitrary polygons with exclusions.
Please see the individual sub fields for specific examples.
The geographicCov element is derived from the NBII standard.
Temporal coverage
Temporal coverage information.
This field specifies temporal coverage, and allows coverages
to be a single point in time, multiple points in time, or a
range of dates. Dates can be expressed in tems of both
calander dates and geologic dating systems.
Please see the individual sub fields for specific examples.
The TemporalCoverage complex type was introduced into EML 1.4.
Taxonomic coverage
Taxonomic coverage information.
Taxonomic Coverage is a container for Taxonomic information about a
project, a resource, or an entity within a resource. It includes a
list of species names (or higher level ranks) from one or more
classification systems.
Please see the individual sub fields for specific examples.
The TaxonomicCoverage complex type was introduced in EML 2 and
derived from the NBII taxonomy element.
Temporal coverage
Temporal coverage information.
The temporal coverage fields are intended to be used in describing
the date and time of an event. It allows for three general
descriptions: a single date/time, multiple date/times, and a range
of date/times.
Please see the individual sub fields for specific examples.
The TemporalCoverage complex type was introduced
into EML 1.4. From FGDC-STD-001.1-1999
Single Date/Time
Means of encoding a single date and time
The sngdate field is intended to describe a single date and time
for an event. There is a choice between two options: a calendar
date with a time, or a geologic age.
Please see the individual sub-elements for example.
FGDC-STD-001-1998
Calendar date
The calendar date for an event.
The calendar date field is used to express a date, giving
the year, month, and day. The format should be one that
complies with the International Standards Organization's
standard 8601. The recommended format for EML is
YYYY-MM-DD, where Y is the four digit year, M is the
two digit month code (01 - 12, where January = 01),
and D is the two digit day of the month (01 - 31).
2001-01-01 , which is January 1st, 2001.
FGDC-STD-001-1998
Time of day
The time of day for an event.
The time field is used to express the hour (and
optionally minute, or minute and second) of the day
for an event, and should comply with the International
Standards Organization's standard 8601. The recommended
format for EML is hh:mm:ssTZD, where hh is the two digit
hour of the day, mm is the two digit minute of the hour,
and ss is the two digit second of the minute. TZD stands
for Time Zone Designator which is used to handle time zone
offsets. Times may be expressed in two ways:
1) UTC (Coordinated Universal Time, also known as
Greenwich Mean Time, or GMT), with a special UTC
designator ("Z"), 2) local time, together with a time zone
offset in hours and minutes. A time zone offset of
"+hh:mm" indicates that the date/time uses a local time
zone which is "hh" hours and "mm" minutes ahead of UTC. A
time zone offset of "-hh:mm" indicates that the date/time
uses a local time zone which is "hh" hours and "mm"
minutes behind UTC.
1) 08:31:22Z , which means eight thirty one and 22 seconds
in the morning at Coordinated Universal Time (Greenwich
Mean Time).
2) 14:06:09-08:00 , which means six minutes, nine seconds
past two o'clock p.m., Pacific Standard Time (which is
offset eight hours behind UTC)
FGDC-STD-001-1998
Beginning date
The beginning date for a range of days.
The beginning date field is used to express the first date
for a range of dates, giving the year, month, and day.
The format should be one that complies with the International
Standards Organization's standard 8601. The recommended format
for EML is YYYY-MM-DD, where Y is the four digit year, M is the
two digit month code (01 - 12, where January = 01),
and D is the two digit day of the month (1 - 31).
2001-01-01, which is January 1st, 2001.
FGDC-STD-001-1998
Beginning time of day
The beginning hour (and optionally minute, or minute and second) of an
event.
The beginning time (begtime) field is used to express the hour
(and optionally minute, or minute and second) for a start time
of a period of time, and should comply with the International
Standards Organization's standard 8601. The recommended format
for EML is hh:mm:ssTZD, where hh is the two digit
hour of the day, mm is the two digit minute of the hour,
and ss is the two digit second of the minute. TZD stands
for Time Zone Designator which is used to handle time zone
offsets. Times may be expressed in two ways:
1) UTC (Coordinated Universal Time, also known as
Greenwich Mean Time, or GMT), with a special UTC
designator ("Z"), 2) local time, together with a time zone
offset in hours and minutes. A time zone offset of
"+hh:mm" indicates that the date/time uses a local time
zone which is "hh" hours and "mm" minutes ahead of UTC. A
time zone offset of "-hh:mm" indicates that the date/time
uses a local time zone which is "hh" hours and "mm"
minutes behind UTC.
1) 08:31:22Z , which means eight thirty one and 22 seconds
in the morning at Coordinated Universal Time (Greenwich
Mean Time).
2) 14:06:09-08:00 , which means six minutes, nine seconds
past two o'clock p.m., Pacific Standard Time (which is
offset eight hours behind UTC)
FGDC-STD-001-1998
Ending date
End date in a range of dates
The end date field is used to express the last date
for a range of dates, giving the year, month, and day.
The format should be one that complies with the International
Standards Organization's standard 8601. The recommended format
for EML is YYYY-MM-DD, where Y is the four digit year, M is the
two digit month code (01 - 12, where January = 01),
and D is the two digit day of the month (01 - 31).
2001-01-01, which is January 1st, 2001.
FGDC-STD-001-1998
Ending time of day
The ending time of day in a period of time
The 'end time' field is used to express the last hour (and
optionally minute, or minute and second) of the day
for a period of time, and should comply with the International
Standards Organization's standard 8601. The recommended
format for EML is hh:mm:ssTZD, where hh is the two digit
hour of the day, mm is the two digit minute of the hour,
and ss is the two digit second of the minute. TZD stands
for Time Zone Designator which is used to handle time zone
offsets. Times may be expressed in two ways:
1) UTC (Coordinated Universal Time, also known as
Greenwich Mean Time, or GMT), with a special UTC
designator ("Z"), 2) local time, together with a time zone
offset in hours and minutes. A time zone offset of
"+hh:mm" indicates that the date/time uses a local time
zone which is "hh" hours and "mm" minutes ahead of UTC. A
time zone offset of "-hh:mm" indicates that the date/time
uses a local time zone which is "hh" hours and "mm"
minutes behind UTC.
1) 08:31:22Z , which means eight thirty one and 22 seconds
in the morning at Coordinated Universal Time (Greenwich
Mean Time).
2) 14:06:09-08:00 , which means six minutes, nine seconds
past two o'clock p.m., Pacific Standard Time (which is
offset eight hours behind UTC)
FGDC-STD-001-1998
Multiple dates/times
Means of encoding multiple individual dates and times.
The 'mdattim' field is entended to be used as a means
of recording multiple dates and times, rather than a single
date/time, or a range of date/times. It allows for multiple
'sngdate' (single date) fields to be used in sequence.
An example would be multiple date/times, encoded in the
International Standards Organization's 8601 Date and Time
standard, as described in the sub-fields of the 'sngdate' field,
such as 'caldate' and 'time'. The result would be a list of
date/times that: 2001-10-31 08:22Z, 2002-10-31 08:22Z, etc.
FGDC-STD-001-1998
Range of dates/times
Means of encoding a range of dates and times.
The 'rngdates' field is intended to be used for describing a
range of dates and/or times. It allows for a choice between two
sequences of sub-fields: 1) A 'beginning date' and 'end date'
with optional 'beginning time' and 'end time' fields, or 2) a
'beginning geologic age' and 'ending geologic age'.
Please see the examples from the 'begdate', 'begtime',
'enddate', and 'endtime' fields for specific examples.
FGDC-STD-001-1998
Geologic age
A name, code, or date describing an event or period in geologic
time.
A name, code, or date describing an event or period in geologic
time, expressed either as an absolute date calculated using a
named dating method, or as a relative date that is drawn from
stratigraphy or biostratigraphy. Calendar dates as provided in
the ISO 8601 dating system used in the standard CSDGM are not
adequate to describe geologic time periods. Absolute geologic
time is usually measured in millions of years before present,
but may use different units and relative base times. Relative
geologic time is measured by subdivisions of the earth s geology
in an order based upon relative age, most commonly, vertical or
stratigraphic position. The actual dating systems used in
geologic studies often tie relative times measured through
stratigraphy or biostratigraphy to a particular absolute time
using radioisotope dating techniques, among others. As these
methods for absolute dating have improved, the estimates of the
dates for strata have changed, consequently, it would be
inaccurate to record absolute dates in situations where relative
dates were measured. This structure is provided as an optional
alternative to the standard calendar dates provided by ISO 8601.
Please see the individual sub-fields for specific examples.
FGDC-STD-001.1-1999
Geologic time scale
Name of a recognized geologic time scale.
Name of a recognized geologic time scale. This includes
'Absolute' as the name of the time scale for
measuring geologic dates before the present and names of
geologic dating systems that are arrangements of symbols
or names in order of relative geologic time.
'Absolute', 'Geomagnetic Polarity Time Scale',
'International Geological Time Scale', 'Oxygen-Isotope'
FGDC-STD-001.1-1999
Geologic age estimate
Either an absolute geologic date or a relative geologic
age name describing an event or period in geologic time
based on the Geologic Time Scale.
For example, '300 Ma' (300 million years before present)
is a Geologic_Age_Estimate based on the Absolute
Geologic_Time_Scale, 'C28r' is a chron name from the
Geomagnetic Polarity Time Scale, and 'Maastrichtian' and
'Jurassic' are names from the International Geological
Time Scale. Since different relative geologic time scales
are often not aligned, multiple geologic dates may need
to be specified. For example, the Geomagnetic Polarity
Time Scale chron 'C29r', at the K/T boundary lies in both
the 'Maastrichtian' and the 'Danian' stages from the
International Geological Time Scale, thus if you were
documenting this event using the International Geological
Time Scale, both 'Maastrichtian' and 'Danian' should be
included here.
FGDC-STD-001.1-1999
Geologic age uncertainty
The error estimate for the geologic time.
The error estimate for the geologic time. This should
include the units of measure, a description of what the
error estimate represents and how it was calculated.
FGDC-STD-001.1-1999
Geologic age explanation
The name and/or description of the method used to
calculate the Geologic age estimate.
The name and/or description of the method used to
calculate the Geologic age estimate. Detailed information
about the method may be provided through references
contained in the Geologic_Citation field.
FGDC-STD-001.1-1999
Geologic citation
Citation for works providing detailed information about
any element of the Geologic age.
Citation for works providing detailed information about
any element of the Geologic age.
For example, a publication describing the methodology used
for carbon dating or describing the basic geologic time
scale in more detail could be cited here.
FGDC-STD-001.1-1999
Beginning geologic age
A name, code, or date for the beginning of an event or period in
geologic time.
FGDC-STD-001.1-1999
Ending geologic age
A name, code, or date for the end of an event or period in
geologic time.
FGDC-STD-001.1-1999
Geographic coverage
Geographic coverage information.
Geographic Coverage is a container for spatial information about a
a project, a resource, or an entity within a resource.
Please see the individual sub-elements for specific examples.
The GeographicCoverage complex type was derived from the eml-entity
module in EML 1.4.
Description of geographic extent
Short description of the geographic areal domain of the data set.
A geographic extent description is especially important when the
extent of the data set is not well described by the
"Bounding_Rectangle_Coordinates", or in the case of data which
are not specifically geospatial, to provide a geographic setting
for the item being documented. Assuming the
"Bounding_Rectangle_Coordinates" do not adequately describe the
extent of the data set, the discrepancy can be identified and
described in this data element. If the item being documented is
not specifically geospatial, the "Bounding_Rectangle_Coordinates"
can define a general polygon, such as a rectangle around a
country, with this "Description_of_Geographic_Extent" element
containing a disclaimer concerning the
"Bounding_Rectangle_Coordinates" and/or further detail concerning
the geographic area of concern for the item being documented. For
example, a study of the diseases of salmon may not have a
specific geographic extent associated with it, but the salmon
involved in the study were collected in Washington and Oregon
states, thus the "Bounding_Rectangle_Coordinates" might form a
general rectangle around the states of Washington and Oregon, but
the "Description_of_Geographic_Extent" might describe the fact
that the extent within Washington and Oregon included only
certain rivers within those states. This data element differs
from the standard data element "Place_Keyword" in that it allows
a free text description of the geographic extent, rather than
just a list of words or phrases useful as an index of location
names associated with the data set.
Examples include, "Manistee River watershed", "extent of 7 1/2
minute quads containing any property belonging to Yellowstone
National Park", or "ponds and reservoirs larger than 2 acres in
Jefferson County, Colorado". This is especially important when the
extent of the data set is not well described by the
"Bounding_Rectangle_Coordinates".
FGDC-STD-001.1-1999
Bounding coordinates
The 4 points (latitude and longitude pairs) that define a
bounding box on the earth's surface.
The limits of coverage of a data set expressed by latitude
and longitude values in the order western-most, eastern-most,
northern-most, and southern-most. For data sets that include
a complete band of latitude around the earth, the West
Bounding Coordinate shall be assigned the value -180.0, and
the East Bounding Coordinate shall be assigned the value 180.0
Please see the individual sub-fields for specific examples.
FGDC-STD-001-1998
West bounding coordinate
Western-most coordinate of the limit of coverage for a
bounding box, expressed in degrees of longitude.
The west bounding coordinate field defines the western-most
point of the bounding box that is being described.
This longitude coordinate should be expressed in decimal
fractions of degrees. Whole degrees of longitude shall be
represented by a three-digit decimal number ranging from 0
through 180. When a decimal fraction of a degree is
specified, it should be separated from the whole number of
degrees by a decimal point. Decimal fractions of a degree
may be expressed to the precision desired. Longitudes east
of the prime meridian shall be specified by a plus sign (+),
or by the absence of a minus sign (-), preceding the three
digits designating degrees of longitude. Longitudes west of
the meridian shall be designated by minus sign (-) preceding
the three digits designating degrees. A point on the prime
meridian shall be assigned to the Eastern Hemisphere. A
point on the 180th meridian shall be assigned to the Western
Hemisphere. One exception to this last convention is
permitted. For the special condition of describing a band of
latitude around the earth, the East Bounding Coordinate data
element shall be assigned the value +180 (180) degrees.
'-118.25', '+25', '45.247'
FGDC-STD-001-1998
East bounding coordinate
Eastern-most coordinate of the limit of coverage of a
bounding box, expressed in degrees of longitude.
The east bounding coordinate field defines the eastern-most
point of the bounding box that is being described.
This longitude coordinate should be expressed in decimal
fractions of degrees. Whole degrees of longitude shall be
represented by a three-digit decimal number ranging from 0
through 180. When a decimal fraction of a degree is
specified, it should be separated from the whole number of
degrees by a decimal point. Decimal fractions of a degree
may be expressed to the precision desired. Longitudes east
of the prime meridian shall be specified by a plus sign (+),
or by the absence of a minus sign (-), preceding the three
digits designating degrees of longitude. Longitudes west of
the meridian shall be designated by minus sign (-) preceding
the three digits designating degrees. A point on the prime
meridian shall be assigned to the Eastern Hemisphere. A
point on the 180th meridian shall be assigned to the Western
Hemisphere. One exception to this last convention is
permitted. For the special condition of describing a band of
latitude around the earth, the East Bounding Coordinate data
element shall be assigned the value +180 (180) degrees.
'-118.25', '+25', '45.247'
FGDC-STD-001-1998
North bounding coordinate
Northern-most coordinate of the limit of coverage expressed
in latitude.
The north bounding coordinate field defines the northern-most
point of the bounding box that is being described.
This latitude coordinate should be expressed in decimal
fractions of degrees. Whole degrees of latitude shall be
represented by a two-digit decimal number ranging from 0
through 90. When a decimal fraction of a degree is
specified, it shall be separated from the whole number of
degrees by a decimal point. Decimal fractions of a degree
may be expressed to the precision desired. Latitudes north
of the equator shall be specified by a plus sign (+), or by
the absence of a minus sign (-), preceding the two digits
designating degrees. Latitudes south of the Equator shall be
designated by a minus sign (-) preceding the two digits
designating degrees. A point on the Equator shall be
assigned to the Northern Hemisphere. Any spatial address
with a latitude of +90 (90) or -90 degrees will specify the
position at the North or South Pole, respectively.
'-18.44', '+44.35', '86'
FGDC-STD-001-1998
South bounding coordinate
Southern-most coordinate of the limit of coverage expressed
in latitude.
The south bounding coordinate field defines the northern-most
point of the bounding box that is being described.
This latitude coordinate should be expressed in decimal
fractions of degrees. Whole degrees of latitude shall be
represented by a two-digit decimal number ranging from 0
through 90. When a decimal fraction of a degree is
specified, it shall be separated from the whole number of
degrees by a decimal point. Decimal fractions of a degree
may be expressed to the precision desired. Latitudes north
of the equator shall be specified by a plus sign (+), or by
the absence of a minus sign (-), preceding the two digits
designating degrees. Latitudes south of the Equator shall be
designated by a minus sign (-) preceding the two digits
designating degrees. A point on the Equator shall be
assigned to the Northern Hemisphere. Any spatial address
with a latitude of +90 (90) or -90 degrees will specify the
position at the North or South Pole, respectively.
'-18.44', '+44.35', '86'
FGDC-STD-001-1998
Altitudinal limits
The limits of coverage of a data set expressed by altitude.
The bounding altitude field is intended to contain
altitudinal (elevation) measurements in relation to the
bounding box being described. It allows for minimum and
maximum altitude fields, as well as a field for the units of
measure. The combination of these fields provide the
vertical extent information for the bounding box. The units
should refer to an accepted datum as the baseline.
Please see the individual sub-fields for specific examples.
FGDC-STD-001.1-1999
Minimum altitude
The minimum altitude extent of coverage.
The minimum altitude extent of coverage for the
bounding box that is being described. The minimum
altitude should be in reference to a known datum,
which should be described in the altitude units field.
'12', '100.6' (e.g meters above Mean Lowest Low Water)
FGDC-STD-001.1-1999
Maximum altitude
The maximum altitude extent of coverage.
The maximum altitude extent of coverage for the
bounding box that is being described. The maximum
altitude should be in reference to a known datum,
which should be described in the altitude units field..
'12', '100.6' (e.g meters above Mean Lowest Low Water)
FGDC-STD-001.1-1999
Units of altitude
Units in which altitude is measured.
Units in which altitude is measured. This field should
be in relation to a known datum which is described in
the units.
Meters (above Mean Lowest Low Water)
FGDC-STD-001.1-1999
Polygon data set
Data Set G-Polygon coordinates defining the outline of an
area covered by a data set.
Data Set G-Polygon coordinates defining the outline of an
area covered by a data set.
Please see the individual sub-fields for specific examples.
FGDC-STD-001-1998
Outer polygon
Data Set G-Polygon Outer G-Ring, the closed
nonintersecting boundary of an interior area.
FGDC-STD-001-1998
Exclusion polygon
Data Set G-Polygon Exclusion G-Ring, the closed
nonintersecting boundary of a void area (or hole in an
interior area).
FGDC-STD-001-1998
G-Ring point
A single geographic location.
FGDC-STD-001-1998
Latitude
The latitude of a point of the g-ring.
FGDC-STD-001-1998
Longitude
The longitude of a point of the g-ring.
FGDC-STD-001-1998
G-Ring
A set of ordered pairs of floating-point numbers, separated by commas,
in which the first number in each pair is the longitude of a point and
the second is the latitude of the point. Longitude and latitude are
specified in decimal degrees with north latitudes positive and south
negative, east longitude positive and west negative
FGDC-STD-001-1998
Taxonomic coverage
Taxonomic coverage information.
Taxonomic Coverage is a container for taxonomic information about a
a project, a resource, or an entity within a resource.
Please see the individual sub-fields for specific examples.
The TaxonomicCoverage complex type was introduced in EML 2 and
derived from the NBII taxonomy element.
Taxonomic Keyword Information
Taxonomic Keywords and related taxonomic thesaurii.
The taxonomic keyword fields provide locations for keywords and the
thesaurii from which they are formally defined that are specific to the
taxonomic extent of the dataset or resource.
Please see the individual sub-fields for specific examples.
FGDC-STD-001.1-1999
Taxonomic keyword thesaurus
Reference to eml-attribute.htmla formally registered thesaurus
or similar authoritative source of taxonomic keywords.
Reference to a formally registered thesaurus or similar
authoritative source of taxonomic keywords.
BIOSIS Systematic Thesaurus
FGDC-STD-001.1-1999
Taxonomic keyword
Keywords or phrases describing the taxonomy of the dataset.
Common use words or phrases describing the taxonomy covered
by the data set.
Mammalia
FGDC-STD-001.1-1999
Taxonomic system
Documentation of taxonomic sources, procedures, and treatments.
Documentation of taxonomic sources, procedures, and treatments.
FGDC-STD-001.1-1999
Classification system/authority
Information about the classification system or
authority used.
Information about the classification system or
authority used.
Flora of North America
FGDC-STD-001.1-1999
Taxonomic citation
Relevant literature for documenting the used
classification system.
FGDC-STD-001.1-1999
Classification system modification
A description of any modifications or exceptions made
to the classification system or authority used.
FGDC-STD-001.1-1999
Non-authoritative citation
Information on any nonauthoritative materials (e.g. field
guides) useful for reconstructing the actual
identification process.
Identifier
Information about the individual(s) responsible for the
identification(s) of the specimens or sightings, etc.
FGDC-STD-001.1-1999
Identifier
Information about the individual(s) responsible for the
identification(s) of the specimens or sightings, etc.
FGDC-STD-001.1-1999
Taxonomic procedure
Description of the methods used for the taxonomic identification.
specimen processing, comparison with museum materials,
keys and key characters, chemical or genetic analyses
FGDC-STD-001.1-1999
Taxonomic completeness
Information concerning the proportions and treatment of
unidentified materials ; estimates of the importance,
and identities of misidentifications, uncertain
determinations, synonyms or other incorrect usages; taxa
not well treated or requiring further work; and
expertise of field workers.
materials sent to experts, and not yet determined
FGDC-STD-001.1-1999
Specimen information
Information on the types of specimen, the repository,
and the individuals who identified the vouchers.
FGDC-STD-001.1-1999
Specimen type
A word or phrase describing the type of
specimen collected.
herbarium specimens, blood
samples, photographs, individuals, or batches
FGDC-STD-001.1-1999
Storage location of specimen
Information about the curator or contact
person and/or agency responsible for the
specimens.
FGDC-STD-001.1-1999
General taxonomic coverage
A description of the range of taxa addressed in the data set or
collection.
A description of the range of taxa addressed in the data set or
collection.
"All vascular plants were identified to family or species,
mosses and lichens were identified as moss or lichen."
FGDC-STD-001.1-1999
Taxonomic classification
Information about the range of taxa addressed in the data set or
collection.
Information about the range of taxa addressed in the data set or
collection. It is recommended that one provide information starting
from the taxonomic rank of kingdom, to a level which reflects the
data set or collection being documented. The levels of Kingdom,
Division/Phylum, Class, Order, Family, Genus, and Species should be
included as ranks as appropriate. Because the taxonomic ranks are
hierarchical, the Taxonomic Classification field is self-referencing
to allow for an arbitrary depth of rank, down to species.
The Taxonomic Classification field consists of a sequence of 4 fields:
taxonomic rank, taxonomic rank value, common name, and finally
Taxonomic Classification (self-referencing). Please see the
sub-fields for specific examples.
FGDC-STD-001.1-1999
Taxon rank name
The name of the taxonomic rank for which the Taxon rank value
is provided.
The name of the taxonomic rank for which the Taxon rank value
is provided. This field allows for the name one of the accepted
levels of Taxa.
'Kingdom', 'Division/Phylum', 'Class', 'Order',
'Family', 'Genus', and 'Species'
FGDC-STD-001.1-1999
Taxon rank value
The name representing the taxonomic rank of the taxon
being described.
The name representing the taxonomic rank of the taxon
being described. The values included may be referenced from an
authoritative source such as the Integrated Taxonomic
Information Sytem (ITIS)in the U.S. (http://www/itis.usda.gov)
and in Canada (http://sis.agr.gc.ca/pls/itisca/taxaget). Also,
Species2000 is another source of taxonomic information, found at
(http://www.sp2000.org)
Acer would be an example of a genus rank value, and rubrum would
be an example of a species rank value, together indicating the
common name of red maple. It is recommended to start with
Kingdom and include ranks down to the most detailed level
possible.
FGDC-STD-001.1-1999
Common name
Specification of applicable common names.
Specification of applicable common names. These common names
may be general descriptions of a group of organisms if
appropriate.
insects, vertebrate, grasses, waterfowl, vascular plants, red
maple.
FGDC-STD-001.1-1999