• Address:
  705 Spear Street
  South Burlington, Vermont 05403
  United States of America
  
  Phone: (802) 391-4135
  Email: femc@uvm.edu
  Website: www.uvm.edu/femc

This is a low impact research project that involves a) vegetation surveys to characterize forest overstory structure (tree id, height and diameter) and understory composition (tree seedlings and herbaceous cover); b) measurements of long term stand microclimate using iButton data loggers and c) extracting tree cores to study how climate affects tree growth and mortality.

• Label: Tree Species Codes

• Description: 4 digit tree species code (first two letters of genus and first two of species)

• Storage Type: text

• Measurment Type: nominal

• Species List: Global climate change fingerprints montane forests of NE US Mt Mansfield Cores
• • Code: PIRU
  • • Definition: ITIS #18034, red spruce (Picea rubens)
  • Code: ABBA
  • • Definition: ITIS #18032, balsam fir (Abies balsamea)

• Label: Name of Mountain

• Description: Name of mountain where samples were collected

• Storage Type: text

• Measurment Type: nominal

• Label: Site ID

• Description: Combination of elevation and mountain first letters to make unique site identifying id. For example: Abraham 800m = “Ab08” and 1100 meters = “Ab11”

• Storage Type: text

• Measurment Type: nominal

• Label: Year

• Description: Year

• Storage Type: datetime

• Measurment Type: datetime
• String Format: YYYY

• Label: Basal Area Increment

• Description: Basal area increment

• Storage Type: decimal

• Measurment Type: interval
• Standard Unit: squareMillimeter
• Precision: 0.0000001
• Unit: squareMillimeter
• Number Type: real
• Bounds:
• Minimum: 0
• Maximum: 10000

• Label: NumberTrees in Average

• Description: Number of unique trees that went into yearly average

• Storage Type: int

• Measurment Type: interval
• Standard Unit: number
• Precision: 10
• Unit: number
• Number Type: real
• Bounds:
• Minimum: 0
• Maximum: 5

• Sampling site establishment for tree cores
  • Started: 2013-05-15
    Ended: 2013-08-31
    
  • Method Description: At each site (i.e., elevation) a sampling transect with 15 points each separated by 15 meters was established parallel to the elevation contour. At each point the point-centered-quarter method was used for sapling (2.54 – 10.15cm DBH) and mature (>10.15cm DBH) living and dead individuals.

• Tree coring
  • Started: 2013-05-15
    Ended: 2013-08-31
    
  • Method Description: Tree cores were also collected from red spruce and balsam fir trees. Cores taken from sites representing the low, middle, and high elevation range for each species on the mountain. At each site up to 5 trees were cored of each species (max of 15 trees per species per mountain). Cores were only taken from trees >20cm DBH when possible and only from healthy, dominant or codominant trees. Cores were collected parallel to the elevation contour.

• Started: 2013-05-15
  Ended: 2013-09-01
• Sampling Description: increment corer