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一、我國進行樹种耐水力的調查研究,始自1931年江淮河汉洪水之后,范圍僅及南京和漢口市区。至1954年江淮流域發生了百年來未有过的洪水之后,才作了遍及五省幾十处的較全面的深入的調查工作。由于被調查的樹种繁多,樹齡和生長狀况不一,加之淹水情况复雜万分,即同一樹种耐水程度調查記載也有出入,因此在参考上不免有取捨为难之感。本文根据下列調查报告作了综合研究,進行了樹种耐水力的鑑定和分级,希望能由此初步解决参考此項資料时的困难。
First, the investigation of tree species resistance in China started in 1931 with the floods of the Han River and the Han River, covering only the urban areas of Nanjing and Hankou. By 1954, a flood of tens of thousands of years had taken place in the Yangtze River and Huaihe River Basin before making a more comprehensive and in-depth investigation of dozens of provinces. Due to the variety of tree species under investigation, the different age and growth conditions, coupled with the complicated flooding situation, that is, the investigation records of the water resistance of the same species are also different. Therefore, it is inevitable that there is a sense of rejection in the reference. Based on the following survey reports, a comprehensive study was conducted to identify and classify the tree species’ resistance to water stress. It is hoped that the difficulties in referring to this data will be initially solved.