Details and Metadata

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Methods

The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures

Current Methods

  • Sample site establishment

    Four sites were established for vegetation sampling so that each site may be accurately relocoated for re-study in future years for comparative purposes. Each sample site (20x30m) is subdivided into a 10x10 grid of 100 intersections, spaced 2x3m apart. A random number array determined the x, y coordinates of grid intersections to be sampled. Frequency and cover data were gathered in addition to general observations.

Dataset Fields

Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data


Field Name Caption Description Additional Information
IDNUMID Number

ID Number

Measurement type: Nominal
SiteCounterSite Number

Site Number

Measurement type: Nominal
SpeciesSpecies of Vegetation

Species of vegetation found in quadrats

Measurement type: Nominal
Presence_AbsencePresence or Absence

List of species without numeric frequencies have presence/absence data to note if the species existed in the quadrant

Measurement type: Nominal
Presence/Absence Code
+ show
Appears in data asMeaning of code
1Presence
Q1Frequency of species in Q1

Number of each species present in Quadrant 1 of each sample site

Measurement type: Ratio
Unit: unavailable
Precision: 1
Q2Frequency of species in Q2

Number of each species present in Quadrant 2 of each sample site

Measurement type: Ratio
Unit: unavailable
Precision: 1
lessthan_2Less Than 2

unknown

Measurement type: Nominal
greaterthan_2Greater Than 2

unknown

Measurement type: Nominal
Qxminus_percent_Fr% Frequency per Quadrat

Percent frame frequency for all visible species in vegetation sample quadrat

Measurement type: Ratio
Unit: unavailable
Precision: 0.01
Qxminus_percent_Cr% Cover per Quadrat

Percent cover for all visible species in vegetation sample quadrat

Measurement type: Ratio
Unit: unavailable
Precision: 1

Sampling Equipment

Equipment and software used to collect data, including how that equipment was used.

Current Equipment

  • Laser theodolite
    Started: 1991-06-01

    Laser theodolite (Nikeon DTM-5 Total Survey Stystem) to survey each quadrat.

Site Characteristics

The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection

  • Site Description

    West slope of Mt. Mansfield above 2500 feet. Sites at Thunderbolt Gap, West Chin Top, West Chin Low and Summit Saddle.