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
Plot establishment
Started: 1991-05-01One plot established at Proctor Maple Research Center in 1991.
Started: 1992-05-01Eight plots on west slope of Mt. Mansfield paired at 4 elevations: 1400, 2200, 3000, and 3800 feet. Used to assess changes in crown condition, injury to crown and bole, growth, regeneration, understory cover.
Started: 1990-05-01One plot established in the Lye Brook Wilderness Area as part of the National Forest Health Monitoring Program at 2300 ft.
Started: 1994-05-01Four plots in the Lye Brook Wilderness Area paired at 1400 and 2300 feet, in addition to the NFHM plot at 2300 feet.
Started: 1997-05-01Six plots established in 1997 on the east slope of the mountain in Ranch Valley paired at 1400, 2200, and 3000 feet.
Past Methods (No longer in use)
- Ice storm effects
Started: 1998-01-30
Ended: 1998-06-01In 1998, conducted special spring survey on plots affected by the January ice storm. Measurements included bole breakage and crown loss (%).
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 Notes Notes Measurement type: Nominal PlotID Plot ID Plot ID
Measurement type: Nominal
FHMsubplots
+ showAppears in data as Description Spatial data HHSB05G07 HHSB13H02 HHSC01K07 HHSC12F02 HHSF01A11 HHSG01G10 HHSG19A05 HHSI09K10 LBA1400A LBA1400B LBA2300A LBA2300B LBA2300C LEMP11 LEMP12 LEMP13 LEMP14 LEMP16 LEMP17 LEMP18 LEMP20 LEMP5 MMBR1400 MMBR2200 MMBR3000 MMBR3800A MMBR3800B MMRB1400A MMRB1400B MMRB2200A MMRB2200B MMRB3000A MMRB3000B MMSB1400 MMSB2200 MMSB3000 NAMP36 NAMP39 NAMP5 VMC1063 VMC1130 VMC1235 VMC244 VMC245 VMC495 VMC593 VMC812 VMC919 FEMC001 Year Year Year
Measurement type: DateTime
Date/Time Format: YYYYSubplotID Subplot ID Subplot ID
Measurement type: Nominal
Unit: unavailable
Test person
+ showAppears in data as Corresponding person 2360 James Duncan 2361 Jon Erickson 2362 Jennifer Wright 2363 Tony Tolsdorf SaplingID Sapling ID Unique sapling number
Measurement type:
Unit: unavailableSpecies Sapling species Sapling species
Measurement type: Nominal
VT FHM Sapling Species Codes
+ showAppears in data as Meaning 12 balsam fir (Abies balsamea) - View ITIS Record 97 red spruce (Picea rubens) - View ITIS Record 129 eastern white pine (Pinus strobus) - View ITIS Record 261 Canada hemlock; hemlock spruce (Tsuga canadensis) - View ITIS Record 310 maples (Acer sp.) - View ITIS Record 314 black sugar maple (Acer nigrum) - View ITIS Record 315 striped maple (Acer pensylvanicum) - View ITIS Record 316 red maple (Acer rubrum) - View ITIS Record 318 sugar maple (Acer saccharum) - View ITIS Record 319 mountain maple (Acer spicatum) - View ITIS Record 351 red alder (Alnus rubra) - View ITIS Record 356 serviceberry (Amelanchier sp.) - View ITIS Record 371 yellow birch (Betula alleghaniensis) - View ITIS Record 372 sweet birch (Betula lenta) - View ITIS Record 375 paper birch (Betula papyrifera) - View ITIS Record 378 northwestern paper birch (Betula X utahensis) - View ITIS Record 379 gray birch (Betula populifolia) - View ITIS Record 531 American beech (Fagus grandifolia) - View ITIS Record 541 white ash (Fraxinus americana) - View ITIS Record 543 black ash (Fraxinus nigra) - View ITIS Record 544 green ash (Fraxinus pennsylvanica) - View ITIS Record 701 eastern hophornbeam; hophornbeam (Ostrya virginiana) - View ITIS Record 761 pin cherry (Prunus pensylvanica) - View ITIS Record 762 black cherry (Prunus serotina) - View ITIS Record 935 American mountain-ash (Sorbus americana) - View ITIS Record 975 slippery elm (Ulmus rubra) - View ITIS Record Azimuth Azimuth Azimuth from microplot center to sapling
Measurement type:
Unit: unavailableDistance Distance Distance from microplot center
Measurement type:
Unit: unavailableDistanceMethod Distance method Distance measured with tape or hypsometer
Measurement type: DBH Diameter at Breast Height Diameter measured at breast height
Measurement type:
Unit: unavailableSaplingStatus Sapling Status Whether sapling is live, dead or dead and down
Measurement type: Nominal
Unit: unavailable
Sapling Status
+ showAppears in data as Meaning of code 8 Dead and down 2 Dead 1 Live 9 Not surveyed 7 Sapling grew into a tree (DBH >12.7) Sampling Equipment
Equipment and software used to collect data, including how that equipment was used.
No sampling equipment recorded for this dataset
Site Characteristics
The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection
- Site Description