Dataset Overview

In order to evaluate the role of Ca supply in regulating the structure and function of base-poor forest and aquatic ecosystems, the Ca content of soil was increased through the application of wollastonite (CaSiO3) in October 1999. Forest inventory surveys were initiated in 1996 and repeated at 5 year intervals. 

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To better understand the role of Ca supply in the regulation of structure and function of base-poor forests and aquatic ecosystems.

Data Collection Status

Data collection for this dataset is ongoing

Start date


Data Availability

This dataset is available to download from another website

Data License

Linked - Third party determines data license

Preferred Citation

Battles, J., C. Driscoll, S. Bailey, J. Blum, D. Buso, T. Fahey, M. Fisk, P. Groffman, C. Johnson, and G. Likens. 2019. Forest Inventory of a Calcium Amended Northern Hardwood Forest: Watershed 1, 2011, Hubbard Brook Experimental Forest ver 3. Environmental Data Initiative.

Update Frequency


Maintenance Plan

Not provided


  • Forest Inventory of Calcium Amended northern Hardwood Forests
  • Hubbard Brook Ecosystem Study
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