Description Usage Format Source
The U.S. National Vegetation Classification (NVC) is provided as a series of tables at http://usnvc.org/explore-classification/.
1 |
A tibble with 8192 rows and 29 columns.
ELEMENT_GLOBAL_ID
The unique identifier of the NVC category
parentKey
The 'databaseCode' of the parent of a category
parentName
Another representation of the parent of a category
typeConceptSentence
A concise sentence describing the category
typeConcept
Text description of the conceptual model of the category
classificationComments
Comments about the classification
similarNVCtypesComments
Comments referencing similar categories
diagnosticCharacteristics
Text description (with HTML tags) of the characteristics that differentiate the category
Rationale
Unknown; all NA
Physiognomy
Text description (with HTML tags) of the physiognomic characteristics (structure) of the category
Floristics
Text description (with HTML tags) of the floral characteristics (species/groups) of the category
Dynamics
Text description (with HTML tags) of the physical/ecological dynamics of the category
Environment
Text description (with HTML tags) of the environmental characteristics (e.g., climate) of the category
Analysis
Unknown; all NA
Range
Text description of the category's geographical spread and/or relationship to other classifications
spatialPattern
Categorical designation of how the NVC category is typically arranged, e.g., large patch vs. linear
Nations
Comma-separated string of two-letter country codes indicating nations where the category is found
Subnations
Comma-separated string of two-letter state and province codes indicating where the category is found
federalLands
Semicolon-separated string of agency and site where the category is found
tncEcoregions
Comma-separated string relating the category to one or more TNC ecoregion
usfsEcoregions
Comma-separated string relating the category to one or more USDA Forest Service ecoregion
omernikEcoregions
Unknown; all NA
classif_confidence_id
A code describing Low:High confidence of the category classification; see d_classif_confidence
confidenceComments
Text describing how/why the confidence level was assigned; mostly empty
Synonymy
Text (with HTML tags) describing synonyms or approx. synonyms of the category to other classifications
primaryConceptSource
Reference of the authority of the concept
descriptionAuthor
The person/entity who authored the 'description' (perhaps the typeConcept?)
Acknowledgements
Text giving acknowledgement
versionDate
Text date stamp, format = mm/dd/yyy
https://www1.usgs.gov/csas/nvcs_data/USNVCFullDownload.zip
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