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Supplemental Information

spreadsheet describing the data derived from the study

DOI: 10.7287/peerj.preprints.2080v1/supp-1

Data for tree seedlings grown in greenhouse

DOI: 10.7287/peerj.preprints.2080v1/supp-2

Data derived from our measurements for grasses in the field

DOI: 10.7287/peerj.preprints.2080v1/supp-3

Data derived from measurements on tree seedlings in the field

DOI: 10.7287/peerj.preprints.2080v1/supp-4

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Edmund C February conceived and designed the experiments, performed the experiments, contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper, applied for the grant that allowed for the research.

Joel R Lewis conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Data Deposition

The following information was supplied regarding data availability:

The raw data has been supplied as a Supplemental Dataset.


Funding for this project was made available through grants from the Mellon Foundation of New York Ref # 30600716 and the South African National Research Foundation. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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