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Data on beetle-killed and surviving lodgepole pine (

L Annie Cooper1, Charlotte C Reed1, Ashley P Ballantyne1

  • 1University of Montana, Missoula, MT, United States.

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This study measured tree growth in Montana

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Area of Science:

  • Dendrochronology
  • Forest Ecology
  • Climate Change Research

Background:

  • Bark beetle outbreaks pose a significant threat to forest ecosystems.
  • Understanding tree growth responses to environmental factors is crucial for forest management.
  • Lodgepole pine (Pinus contorta) is a key species in western North American forests.

Purpose of the Study:

  • To provide raw data on tree growth.
  • To support research on mountain pine beetle impacts.
  • To offer code for basal area increment (BAI) calculations.

Main Methods:

  • Collected 444 increment cores from 237 lodgepole pine trees in Beaverhead-Deerlodge National Forest, MT.
  • Prepared and measured cores using standard dendrochronological techniques.
  • Created master chronologies, cross-dated, scanned, and validated ring widths using CooRecorder and COFECHA.

Main Results:

  • Measurements include raw radial growth, distance to pith, and calculated BAI.
  • Data covers trees killed and survived during a bark beetle outbreak.
  • Includes plot locations and BAI calculation code.

Conclusions:

  • The provided data and code facilitate further research on forest dynamics.
  • This dataset is valuable for studies on tree growth and bark beetle impacts.
  • Supports ecological research in western Montana's forests.