Institute of Geographical Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China;
Institute of Geographical Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China;
Institute of Geographical Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China;
Laboratory of Remote Sensing Information Science,Institute of Remote Sensing Application,Chinese Academy of Sciences,Beijing 100012,China;
Hebei Normal University,Shijiazhuang 050016,China;
forest; ecological water requirement; the Jinghe watershed; ecological restoration; rehabilitation;