Assessing trends and vulnerabilities in the mutualism between whitebark pine (Pinus albicaulis) and Clark’s nutcracker (Nucifraga columbiana) in national parks of the Sierra-Cascade region

• Chris Ray ,

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

  * E-mail: cray@birdpop.org

  Affiliation The Institute for Bird Populations, Petaluma, California, United States of America

  http://orcid.org/0000-0002-7963-9637

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• Regina M. Rochefort,

  Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

  Affiliation North Cascades National Park Service Complex, Sedro-Woolley, Washington, United States of America

  http://orcid.org/0000-0003-4369-0606

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• Jason I. Ransom,

  Roles Conceptualization, Funding acquisition, Project administration, Supervision, Writing – review & editing

  Affiliation North Cascades National Park Service Complex, Sedro-Woolley, Washington, United States of America

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• Jonathan C. B. Nesmith,

  Roles Conceptualization, Data curation, Investigation, Methodology, Resources, Writing – review & editing

  Affiliation National Park Service, Sierra Nevada Network, Three Rivers, California, United States of America

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• Sylvia A. Haultain,

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Writing – review & editing

  Affiliation National Park Service, Sierra Nevada Network, Three Rivers, California, United States of America

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• Taza D. Schaming,

  Roles Investigation, Resources, Validation, Writing – review & editing

  Affiliation Northern Rockies Conservation Cooperative, Jackson, Wyoming, United States of America

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• John R. Boetsch,

  Roles Conceptualization, Data curation, Methodology, Resources, Software, Validation, Writing – review & editing

  Affiliation National Park Service, North Coast and Cascades Network, Port Angeles, Washington, United States of America

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• Mandy L. Holmgren,

  Roles Data curation, Investigation, Methodology, Validation, Writing – review & editing

  Affiliation The Institute for Bird Populations, Petaluma, California, United States of America

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• Robert L. Wilkerson,

  Roles Data curation, Investigation, Methodology, Resources, Validation, Writing – review & editing

  Affiliation The Institute for Bird Populations, Petaluma, California, United States of America

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• Rodney B. Siegel

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – review & editing

  Affiliation The Institute for Bird Populations, Petaluma, California, United States of America

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