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Additional Information

Competing Interests

The authors declare that they have no competing interests

Author Contributions

Andrew McDevitt conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Mainsha V Patel conceived and designed the experiments, performed the experiments, contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Brad Rose conceived and designed the experiments, contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Aaron M Ellison conceived and designed the experiments, analyzed the data, wrote the paper, reviewed drafts of the paper.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

This research with human subjects was approved by the Harvard University IRB, protocol nos. F14015-102 [2007], F16874-102 [2009], 14-2580 [2014], 15-2719 [2015].

Data Deposition

The following information was supplied regarding data availability:

Harvard Forest Data Archive, dataset HF-279

http://harvardforest.fas.harvard.edu/data-archive

Funding

Funding for the HF-SRPE has been provided by NSF REU Site (award nos. 0452254, 1003938, 1459519) and NASA Innovations in Climate Education (award no. NNX10AT52A). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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