Exotic Plant Species Assessment-Yosemite Data collected in 1998 and 1999 and contained in 13 Tables plus 2 lookup tables Field methods are available in: Gerlach, J. D., Jr., P. E. Moore, B. Johnson, D. G. Roy, P. Whitmarsh, D. M. Lubin, D. M. Graber, S. Haultain, A. Pfaff, and J. E. Keeley. 2003. Alien plant species threat assessment and management prioritization for Sequoia-Kings Canyon and Yosemite National Parks. U.S. Geological Survey Open-file Report 02-170. https://pubs.er.usgs.gov/publication/ofr02170 List of Data Tables: ALL_SURVEY_COORDS AREA_SURVEYS LINEAR_SURVEYS SHRUB_LINEINT1998 SITE SUBSAMPLE_COVER1998 SUBSAMPLE_COVER1999 tblAccessioned_Plant_Specimens TRAIL_USE_LEVEL TRANSECT_LENGTH_1998 TREE_CANOPY1998 TREE_CANOPY1999 VOLUNT List of Lookup Tables: JFLORA USGSQuad Metadata by Table Table: SITE Table contents: Site description and location information SITEUM: Site number from 1 to 110 (sites 35, 47, 62, and 63 are revisits of sites 1, 16, 15, and 19, respectively) LOCATION: Place name for location DESCRIP: Site description DIRECTIONS: For relocation METHOD: For sites 1-30 from 1998, q=quadrat data on species abundance collected in addition to categorical abundance by species, s=survey of site without quadrat subsampling DISTURB: Whether site exhibits human disturbance DATE: MM/DD/YYYY QUAD: Code for 7.5 minute USGS quadrangle map (see USGSQUAD table) County: Full name of county OBS1: Full name of observer 1 OBS2: Full name of observer 2 UTMX_NAD83: PointX/East coordinate in North America Datum of 1983 derived from original coordinate recorded in NAD1927 UTMY_NAD83: PointY/North coordinate in North America Datum of 1983 derived from original coordinate recorded in NAD1927 UTME_NAD27: Original Point_X/East coordinate in NAD1927 datum converted to the NAD1983 datum in ArcGIS 10.5 UTMN_NAD27: Original Point_Y/North coordinate in NAD1927 datum converted to the NAD1983 datum in ArcGIS 10.5 UTMZONE: Yosemite National Park is entirely within Universal Transverse Mercator zone 11. UTM_PRECISION: Estimated precision of UTM coordinates generated by Global Positioning System receivers and expressed in meters. UTM_SOURCE: GPS = UTM coordinates obtained from Global Positioning System receiver in the field; USGS_QUAD = UTM coordinates obtained from 7.5 min. USGS topographical quadrangle COORD_DESCRIP: Point for area = a single coordinate, whether from a USGS quadrangle or from a GPS and used to represent the survey site location in this table; Survey start = coordinate for the beginning point of the survey, for example if it is a linear feature like a road or trail; Survey end = coordinate for the end point of the survey; Baseline start = beginning of baseline established to place transect lines (see methods); Revisit Point for area: Indicates point of for a revisit in 1999 of a an area surveyed in 1998 (sites 35, 47, 62 & 63) WAYPOINT: GPS numbered waypoint (coordinate set) used to represent site location from among those collected at the site (stored in AllSurveyCoords_NAD83 table) ASPECT: Slope aspect (orientation) in degrees SLOPE: Slope steepness in percent ELEVATION: In feet GPS_ELEV: Elevation, in feet, provided by GPS PICTURE: Exposure numbers taken at site. (Mostly unused) DISTANCE: For linear surveys along roads & trails, the distance along which surveys were completed (in meters) PATCHTYPE: Patch type category selected from: Trail, Campground, Camp control, Corral, Development. HOLLANDTYPE: For sites 1-25, Vegetation type from Bob Holland's 'Preliminary Descriptions Terrestrial Natural Communities' taylored to Yosemite NP (1993) VEGASSOC: Species codes separated by slashes of dominant overstory species. VEGTYPE_NAME: Interpretation of VEGASSOC codes and translation to Yosemite Vegetation Classification associated with park vegetation map based on 1997 aerial photography PHENOL: General comments on flowering phenology SURVEYTYPE: Area = patch types not along a road or trail; Linear = Road and Trail patch types. Notes: Notes on data, site, or methods SURVEY: Overall site survey was done and non-native species inventoried SUBSAMPLE: Subsampling was done at site with cover recorded by species within quadrats placed along transects Table: AREA_SURVEYS Table contents: Categorical abundance data for each species occurring in non-linear patch types: campgrounds, developments, and corrals. SITENUM: Site number JCODE: Species code (lookup table is JFlora). Codes ending in 9 indicate taxon not determined to infraspecific level. Species: Scientific name of species without authority COLL_NUM: Collection number. Each collector (among 4 per season) used a different number series, e.g., Aaron King used 1000 series, Justin Adams used 3000 series, etc. ABUNDANCE: Categories of 1-5: 1 = <10 individual plants: 2 = 11-100; 3 = 101-1,000; 4 = 1,001-10,000; and 5 = >10,000 plants DISTRIB: 1-4; 1=scattered individuals; 2=scattered clumps of individuals; 3=large clumps of many individuals; 4=widespread throughout the area. SEC1 to SEC10 fields: Not used for area surveys Table: LINEAR_SURVEYS Table contents: Data from surveys along linear patch types, including roads and trails, for both 1998 and 1999 SITENUM: Site number SEC: Section along linear survey in which species was observed expressed as a decimal, e.g., 2.03 is site 2, section 3. JCODE: Species code (lookup table is JFlora). Codes ending in 9 indicate taxon not determined to infraspecific level. SPECIES: Scientific name without authority COLL_NUM: Collection number Table: SUBSAMPLE_COVER1998 Table contents: Quadrat data on exotic species abundance from 1-m x 1-m quadrats randomly placed along up to 10 transects in 1998 (17 sites). Cover estimates are to the closest percent. Note: Two ornametal, non-naturalized species were recorded for which there is no code in JFlora: Acer cercinatum and Parthenocissus vitacea SITENUM: Site number for each site subsampled with quadrats TRANSECT: Transect number, usually between 5 and 10 transects, depending on the size of the area being sampled QUAD: Quadrat number along transect, up to 19 for a site JCODE: Six-character alpha-numeric code from Jflora table. Codes ending in 9 indicate taxon not determined to infraspecific level. JCode field not populated for taxa determined only to genus or family. SPECIES: Scientific name of species without authority COLL_NUM: Collection number. Each collector (among 4) used a different number series COVER: Ocular estimate of cover by species to the closest percent Table: SUBSAMPLE_COVER1999 Table contents: Quadrat data on species abundance from 2-m x 1-m quadrats randomly placed along up to 10 transects in campgrounds, developments, and corrals in 1999 (40 sites). Cover estimates are to the closest percent- SITENUM: Site number for each site subsampled with quadrats TRANSECT: Sequential number for each of ten transects in a site QUAD: Sequential number for each of five quadrats on a transect JCODE: Six-character alpha-numeric code from Jflora. "NATIVE" is used for each unique native species in 1999. Codes ending in 9 indicate taxon not determined to infraspecific level. SPECIES: Scientific name of species without authority COLL_NUM: Unique specimen collection number; final determinations are in tblAccessioned_Plant_Specimens table COVER: Estimated cover, in percent, for each taxon listed Table: TREE_CANOPY1998 Table contents: Tree canopy collected in 1998 recorded at 100 "regular" interval points along transects of varying lengths (see TRANSECT_LENGTH_1998 table). Determined using the point-intercept method with a hand-held "periscope" (Geographic Resource Solutions, Arcata, Calif.) for determining canopy presence at cross hairs as viewed through in a mirror mounted in an "L" shaped tube. ID: Record identification SITENUM: Site number between 1 and 30 CAN_Y: Number of tree canopy hits at each of 100 points CAN_N: Number of points with no tree canopy REJ_Y: Points where canopy could not be sampled REJ_N: Points that were not rejected for sampling Table: TREE_CANOPY1999 Table contents: Tree canopy data collected in 1999 with presence/absence recorded every 5 m along each transect using the point-intercept method with a hand-held "periscope" (Geographic Resource Solutions, Arcata, Calif.) for determining canopy presence at cross hairs as viewed through in a mirror mounted in an "L" shaped tube. ID: Record identification SITENUM: Site number between 31 and 109 TRANSECT: Transect number, usually from 1 to 10 CAN_Y: Number of points intersecting tree canopy out of 10 points CAN_N: Number of points without canopy hits out of 10 points Table: SHRUB_LINEINT1998 Table contents: Canopy cover of shrubs collected in 1998 measured as intercepts along transects of varying lengths (see TRANSECT_LENGTH_1998 table) ID: Record identification SITENUM: Site number SPECIES: Scientific name of woody species intercecting transect TRANSECT: Transect number INTERCEPT: The distance along the transect the species occurred (in meters?) Table: ALL_SURVEY_COORDS: Table contents: stores all coordinates, including survey and transect starts and ends, including those representing the site in the SITE table. Note: Coordinates not collected in 1999 for site revisits at Sites 35 (Original site #1, Lower River Campground), 62 (original site #15, Yosemite Lodge), 63 (original site #19, The Ahwahnee hotel), so no entries for these sites in ALL_SURVEY_COORDS table. Coordinates were collected in 1999 at site 47 (original site #16, Big Oak Flat Road). ID: Autonumber SITENUM: Site number chronologically assigned SITE_ LOCATION: Place-name location COORD_LOC: Used if more precise place name recorded for coordinate set UTMX_NAD83: PointX/East coordinate in North America Datum of 1983 derived from original coordinate recorded in NAD1927 UTMY_NAD83: PointY/North coordinate in North America Datum of 1983 derived from original coordinate recorded in NAD1927 UTMX_NAD27: Original Point_X/East coordinate in NAD1927 datum obtained from GPS or USGS 7.5-minute quadrangle and converted to NAD1983 datum in ArcGIS 10.5 UTMY_NAD27: Original Point_Y/North coordinate in NAD1927 datum obtained from GPS or USGS 7.5-minute quadrangle and converted to NAD1983 datum in ArcGIS 10.5 COORD_PRECISION_M: GPS-calculated estimate of UTM coordinate precision reported by GPS unit and based on clustering of multiple point locations ELEV_FT: Elevation in feet COORD_DESCRIP: Point for area = a single coordinate, whether from a USGS quadrangle or from a GPS to be used to represent the survey site; Perimeter point = a UTM coordinate along the perimeter of the survey area; Survey start = coordinate for the beginning point of the survey; In route = a coordinate along the route of the survey; Survey end = coordinate for the end point of the survey; Bend in baseline = coordinate of where survey baseline changed direction; Stock trailhead = beginning of a stock trail UTMSOURCE: GPS = UTM coordinates obtained from Global Positioning System receiver in the field; USGS_QUAD = UTM coordinates obtained from 7.5-minute USGS quadrangle map WP: Waypoint number from GPS if applicable SITE_UTM: Logical field to indicate whether coordinate used to represent site in the SITE table; 1 = Yes, 2 = No. SURVEY_TYPE: Area = surveys ("patch types") not along a road or trail; Linear = Road and Trail surveys ("patch types") Table: tblAccessioned_Plant_Specimens Table contents: Collection, determination, and accession information for specimens collected in Yosemite NP during non-native plant surveys in 1998 and 1999 with format designed to meet requirements of National Park Service curatorial office. VoucherRecordID: Record identifying number assigned by the National Park Service museum curatorial staff at Yosemite National Park ParkCode: YOSE for Yosemite National Park; used for all entries in table by time of completion; SEKI would be for Sequoia and Kings Canyon National Parks TSN: The Taxonomic Serial Number for taxon in Jepson (Hickman 1993) nomenclature from the Integrated Taxonomic Information System (www.itis.gov) ParkAdminUnit: Not used Sensitivity: Not used DocLatinName: Scientific name determined along with authority Date: MM/DD/YYYY Time: Not used in this project Observer: Full name of collector ObserverNumber: Collector's collection number; each of the four collectors in 1998 and 1999 used collector-specific number series: Aaron King the 1000 series in 1998, Melinda Schroeder the 1100 series in 1999, Bradley Jelinek the 2000 series in both years, Justin Adams the 3000 series in both years, and D. Graham Roy 4000 the series in both years Habitat: Not used in this table Elevation: Elevation of survey site ElevationUnits: feet SpecimenID: Sequential numbers assigned by the Yosemite Museum within accession number 6625 SpecimenLocation: Yosemite Herbarium used for entire accession Location: Place name for survey location LocalLocCode: Field not used Latitude: Not used Longitude: Not used UtmX: Universal Transverse Mercator X coordinate UtmY: Universal Transverse Mercator Y coordinate UtmZone: All of Yosemite National Park falls within UTM Zone 11 Datum: NAD27 for North American Datum of 1927 LocationError: Precision, in meters, estimated by global positioning system receiver DataSource: Not used by project for specimen submission to the Yosemite Museum (YM) EnteredBy: Not used by project for specimen submission to the Yosemite Museum (YM) EnteredDate: Not used by project for specimen submission to the Yosemite Museum (YM) Comments: Not used by project for specimen submission to the Yosemite Museum (YM) GraphicLinkID: Not used by project for specimen submission to the Yosemite Museum (YM) JepsonTSN: The Taxonomic Serial Number for taxon in Jepson (Hickman 1993) nomenclature from the Integrated Taxonomic Information System (www.itis.gov) Jepson Manual Comments: TRS: Township, Range, Section of the Public Land Survey System; not used for this project County: Not used Location Status: Not used Accession Number: The Yosemite Museum assigned a single number, 6625, to the accession of Yosemite specimens from 1998 and 1999. Original Date: Not used Type: Not used Table: TRAIL_USE_LEVEL Table contents: Trail use intensity in three categories by site number ID: Autonumber primary field SITENUM: Site number USE: Use intensity as low (0-50 people/year and/or 3-10 pack animals/day), med (51-1100 people/year and/or 11-25 pack animals/day), or high (1101-6900 people/year and/or >25 pack animals/day) based on data from Wilderness Office, Yosemite National Park. Table: TRANSECT_LENGTH_1998 (for 1998 only) Sitenum: Site number Transect: Transect number Length: Length of transect, in meters, along which quadrats were randomly placed for ground cover estimates by species Table: USGSQuad MAPNAME: Name of USGS 7.5-minute quadrangle map YOSE_QUAD: Code as four letters plus '7' to indicate 7.5 minute quadrangle CNPS_QUAD: California Native Plant Society code for 7.5-minute quadrangle NDDB_QUAD: California Natural Diversity Database code for 7.5-minute quadrangle PUB_DATE: Year of quadrangle publication Table: JFLORA Table contents: Coded list of vascular plant taxa for Yosemite National Park using Hickman 1993 nomenclature. JCODE: Species code for taxon according to the following nomenclature: Hickman, J. C. 1993. The Jepson manual: higher plants of California. University of California Press, Berkeley. JGENUS: Genus JSPECIES: Specific epithet JSPAUTH: Authority JRANK: Infra-specific rank (ssp., var., etc.) JSSP: Infra-specific epithet JSSPAUTH: Infra-specific authority JFAMILY: Taxonomic family COMMENTS: Taxonomic comments JNATIVE: -1 = native; 0 = non-native to California NAMECHANGE: Indicates whether name changed since previous version JTRINOMIAL: Full scientific name including authority SPACE: For use in formatting output JSCINAME: Full scientific name excluding authority according to the nomenclature of Hickamn 1993 OLD_CODE: A species code previously used in the same system, typically prior to a name change Table: VOLUNT Table contents: Counts by species collected by volunteers doing mechanical control (hand pulling, string trimmers) under the direction of National Park Service staff ID: Record identification LOCATION: Place name DATE: mm/dd/yyyy COMMON: Common name of species SPAB: Two letter species abbreviation SPECIES: Scientific name of species PULLED: Number of plants manually removed OBSERVER: Last name of reporter