USA National Phenology Network’s volunteer-contributed observations yield predictive models of phenological transitions

• Theresa M. Crimmins ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: theresa@usanpn.org

  Affiliations National Coordinating Office, USA National Phenology Network, Tucson, Arizona, United States of America, School of Natural Resources and the Environment, University of Arizona, Tucson, Arizona, United States of America

  http://orcid.org/0000-0001-9592-625X

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• Michael A. Crimmins,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Department of Soil, Water and Environmental Science, University of Arizona, Tucson, Arizona, United States of America

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• Katharine L. Gerst,

  Roles Conceptualization, Data curation, Writing – review & editing

  Affiliations National Coordinating Office, USA National Phenology Network, Tucson, Arizona, United States of America, School of Natural Resources and the Environment, University of Arizona, Tucson, Arizona, United States of America

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• Alyssa H. Rosemartin,

  Roles Conceptualization, Writing – review & editing

  Affiliations National Coordinating Office, USA National Phenology Network, Tucson, Arizona, United States of America, School of Natural Resources and the Environment, University of Arizona, Tucson, Arizona, United States of America

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• Jake F. Weltzin

  Roles Conceptualization, Funding acquisition, Writing – review & editing

  Affiliations National Coordinating Office, USA National Phenology Network, Tucson, Arizona, United States of America, U.S. Geological Survey, Tucson, Arizona, United States of America

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