Multilevel Nonlinear Mixed-Effect Crown Ratio Models for Individual Trees of Mongolian Oak (Quercus mongolica) in Northeast China

• Liyong Fu,

  Affiliation Research Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing, 100091, P. R. of China

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• Huiru Zhang,

  Affiliation Research Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing, 100091, P. R. of China

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• Jun Lu,

  Affiliation Research Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing, 100091, P. R. of China

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• Hao Zang,

  Affiliation Research Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing, 100091, P. R. of China

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• Minghua Lou,

  Affiliation Research Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing, 100091, P. R. of China

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• Guangxing Wang

  * E-mail: gxwang@siu.edu

  Affiliations Research Center of Forestry Remote Sensing and Information Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, P. R. of China, Department of Geography and Environmental Resources, Southern Illinois University at Carbondale, Carbondale, Illinois, 62901, United States of America

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