Alien Plant Threat Assessment
Data and Resources
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ALL_SURVEY_COORDS.csvCSV
UTM coordinates for sites surveyed in 1998 and 1999
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tblAccessioned_Plant_Specimens.csvCSV
Herbarium label data from plant specimens collected during surveys of...
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AREA_SURVEYS.csvCSV
Survey data from campgrounds, developments, and corrals in Yosemite from 1998...
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SUBSAMPLE_COVER1999.csvCSV
Data from quadrat subsamples of campgrounds, developments, and corrals...
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TREE_CANOPY1998.csvCSV
Data on tree canopy cover from point transects at alien plant survey sites in...
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SUBSAMPLE_COVER1998.csvCSV
Data from quadrat subsamples of campgrounds, developments, and corrals...
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AlienPlantThreatAssessment-YOSE_FieldForm1999.pdfPDF
Field form used in 1999
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AlienPlantSpeciesAssessment-YOSE.7z7z
Compressed archive of files including data and documentation
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Alien_Plant_Species_Assessment-Yosemite_Readme.txtTEXT
Table by table field definitions (metadata)
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Alien_Plant_Threat_Assessment-YOSE_Methods.pdfPDF
Field methods used in 1998 and 1999 to collect alien plant species occurrence...
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USGSQuad.csvCSV
Lookup table for USGS quadrangle map codes used in SITE table
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TREE_CANOPY1999.csvCSV
Data tree canopy cover from point transects at sites surveyed for alien plant...
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LINEAR_SURVEYS.csvCSV
Data on plant species occurrence recorded during surveys of travel corridors...
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VOLUNT.csvCSV
Plant counts by species recorded by volunteers doing mechanical control (hand...
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TRAIL_USE_LEVEL.csvCSV
Categorical use level assigned to trails surveyed in 1998 and 1999. Used...
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JFLORA.csvCSV
Lookup table for codes used to represent vascular plant species recorded...
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SHRUB_LINEINT1998.csvCSV
Data on shrub intercept transects
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SITE.csvCSV
Survey site descriptions, including location and environmental setting
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Gerlach_etal2003_AlienPlantThreatAssess-ofr02170.pdfPDF
U.S. Geological Survey Open File Report summarizing and analyzing data...
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TRANSECT_LENGTH_1998.csvCSV
Length (m) of transects randomly placed to subsample areas surveyed for alien...
| Field | Value |
|---|---|
| accessLevel | public |
| bureauCode | {010:24} |
| catalog_@context | https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld |
| catalog_@id | https://ddi.doi.gov/nps-data.json |
| catalog_conformsTo | https://project-open-data.cio.gov/v1.1/schema |
| catalog_describedBy | https://project-open-data.cio.gov/v1.1/schema/catalog.json |
| identifier | http://datainventory.doi.gov/id/dataset/nps-datastore-2253446 |
| issued | 2018-05-29T00:00:00Z |
| landingPage | https://irma.nps.gov/DataStore/Reference/Profile/2253446 |
| modified | 2018-05-29T00:00:00Z |
| old-spatial | -121.646149,34.9317169,-116.997093,41.38846 |
| programCode | {010:119,010:118} |
| publisher | National Park Service |
| resource-type | Dataset |
| source_datajson_identifier | true |
| source_hash | 729fbdea49ee32add90f008b2c48e7de37f2f75a466aeccc9af6d0bc368f0f91 |
| source_schema_version | 1.1 |
| spatial | {"type": "Polygon", "coordinates": [[[-121.646149, 34.9317169], [-121.646149, 41.38846], [-116.997093, 41.38846], [-116.997093, 34.9317169], [-121.646149, 34.9317169]]]} |
| theme | {"Generic Dataset"} |
| Groups |
|
| Tags |
|
| isopen | False |
| license_id | notspecified |
| license_title | License not specified |
| maintainer | NPS IRMA Help |
| maintainer_email | NRSS_DataStore@nps.gov |
| metadata_created | 2025-09-23T20:36:57.322651 |
| metadata_modified | 2025-09-23T20:36:57.322657 |
| notes | Data on alien (non-native) plant species surveys within the boundaries of disturbed sites within Yosemite National Park. Surveys were supplemented by quadrat-based subsampling of some campgrounds, camps, developments and corrals to obtain native/non-native species ratios. Surveys primarily targeted areas of human disturbance, such as campgrounds, corrals, developments, roads, trails and pastures, where alien plant species were most likely to be introduced and dispersed. |
| num_resources | 20 |
| num_tags | 14 |
| title | Alien Plant Threat Assessment |