Dataset Overview

This study used a comparative approach to study potential changes in C fluxes and storage and N cycling associated with Hemlock Wooly Adelgid induced hemlock decline and replacement. The stands include primary and secondary growth hemlock forests (230 and 132 years old, respectively), recently disturbed stands (5 and 18 years old) that now have rapidly growing black birch saplings, and a mature black birch stand of age similar to the second-growth hemlock stand.

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This study addressed the question of whether the quantity and distribution of C pools in black birch forests are the same as those found in the hemlock stands they replace and, if so, over what time scales.

Data Collection Status

Data collection for this dataset has been completed

Start date


End date


Data Availability

This dataset is available to download from another website

Data License

Linked - Third party determines data license

Preferred Citation

Raymer P, Finzi A. 2016. Long-Term Impacts of the Hemlock Woolly Adelgid on Forest Carbon at Harvard Forest 2008-2011. Harvard Forest Data Archive: HF257. Available at:

Update Frequency


Maintenance Plan

Not provided


  • Long-Term Impacts of the Hemlock Wooly Adelgid on Forest Carbon at Harvard Forest 2008-2011
  • Harvard Forest
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