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
Soil population monitoring
Started: 1989-05-01Method 2. Soil populations are monitored using fall soil samples with forced emergence to estimate relative populations. Two bulb-planter soil samples are collected in the fall from 2 and 4 m from each of 5 selected sugar maple trees. Injury to foliage is recorded on associated trees.
Past Methods (No longer in use)
- Adult population monitoring
Started: 1991-04-01
Ended: 1991-06-13Method 1. Adult population levels are monitored weekly using 4 yellow sticky traps located at 3 feet above ground during flight period (April - June). Damage to sugar maple foliage is assessed using 8 trees.
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 ID ID Automated numbering ID for each new data collection
Ordinal studysite Study Site Study site
Nominal location Location Location of study site
Nominal elevation Elevation Elevation of study site
Ratio
Unit: foot
Precision: 100Yearnumber Year Number Year of data collection
DateTime Date/Time Format: YYYY tree Tree Number assigned to each tree within the site (1-8)
Ordinal BudsDormant Buds Dormant Recording date of buds dormant
DateTime Date/Time Format: other BudsSwollenlessthan1inch Buds Swollen Less Than 1 Inch Recording date of buds swollen less than 1 inch
DateTime Date/Time Format: other BudsSwollen1inchbutclosed Buds Swollen 1 Inch but Closed Recording date of buds swollen less than 1 inch but closed
DateTime Date/Time Format: other Buds1to1halfinchopeningwithleaftipshowing Buds 1 to 1 Half Inch Opening with Leaf Tips Showi Recording date of buds 1 to 1 half inch opening with leaf tips showing
DateTime Date/Time Format: other Leavesupto1inchlong Leaves Up to 1 Inch Long Recording date of leaves up to 1 inch long
DateTime Date/Time Format: other Leavesupto2incheslong Leaves Up to 2 Inches Long Recording date of leaves up to 2 inches long
DateTime Date/Time Format: other LeavesFullsized Leaves Full Sized Recording date of leaves full sized
DateTime Date/Time Format: other DefoliationRating Defoliation Rating Defoliation rating code
NominalDefoliation Rating
+ showAppears in data as Meaning of code 0 no visible defoliation 1 <30% defoliation 2 30-60% defoliation 3 >60% defoliation LeafDiscolorationRating Leaf Discoloration Rating Leaf discoloration (mottling) rating code
NominalLeaf Discoloration Rating
+ showAppears in data as Meaning of code 0 no visible discoloration 1 <30% discoloration 2 30-60% discoloration 3 >60% discoloration leafdistortionrating Leaf Distortion Rating Leaf distortion (cupping) rating code
NominalLeaf Distortion Rating
+ showAppears in data as Meaning of code 0 no visible distortion 1 <30% distortion 2 30-60% distortion 3 >60% distortion Namptransparency NAMP Tranpsparency Rating North American Maple Project transparency rating (percentage class)
NominalNAMP Transparency Rating
+ showAppears in data as Meaning of code 0 None to light damage 5 None to light damage 10 None to light damage 20 Moderate damage 30 Moderate damage 40 Moderate damage 50 Heavy damage 60 Heavy damage 70 Heavy damage 80 Severe damage 90 Severe damage 100 Severe damage Nampdieback NAMP Dieback Rating North American Maple Project dieback rating (percentage class)
NominalNAMP Dieback Rating
+ showAppears in data as Meaning of code 0 None to light damage 5 None to light damage 10 None to light damage 20 Moderate damage 30 Moderate damage 40 Moderate damage 50 Heavy damage 60 Heavy damage 70 Heavy damage 80 Severe damage 90 Severe damage 100 Severe damage damageobservationdate Damage Obersevation Date Damage observation date
DateTime Date/Time Format: other notes Notes Notes
Nominal 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
West slope of Mt. Mansfield, in sugar maple stand at Proctor Maple Research Center, and at 3 elevations in the Stevensville Brook headwaters (1500, 2000, and 2500 feet) as part of the Forest Management Study.