Climatic Changes Lead to Declining Winter Chill for Fruit and Nut Trees in California during 1950–2099

• Eike Luedeling ,

  * E-mail: eluedeling@ucdavis.edu (EL); mhzhang@ucdavis.edu (MZ)

  Affiliations Department of Land, Air and Water Resources, University of California Davis, Davis, California, United States of America, Department of Plant Sciences, University of California Davis, Davis, California, United States of America

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• Minghua Zhang ,

  * E-mail: eluedeling@ucdavis.edu (EL); mhzhang@ucdavis.edu (MZ)

  Affiliation Department of Land, Air and Water Resources, University of California Davis, Davis, California, United States of America

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• Evan H. Girvetz

  Affiliation College of Forest Resources, University of Washington, Seattle, Washington, United States of America

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