Xiu Hai Zhao

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With Ernst Assmann’s appointment to the chair of Forest Yield Science in Munich in 1951, he assumed responsibility for the maintenance of the extensive network of growth-and-yield plots of the Bavarian Forest Research Institute. This network, with some plots having been remeasured since 1870, proved to be a rich source of observations, and constituted the(More)
  • X H Zhao
  • The Southeast Asian journal of tropical medicine…
  • 1992
Beijing is the capital of China with the population of 10.32 million in 1990 and the area of 1687.8 km2. It is the economic and cultural center of the country. Since the founding of new China, the development of Beijing city has been very fast. The gross national product (GNP) of Beijing in 1988 is 2.78 times the average GNP of the whole country. The(More)
Approximately 3000 million ha of the world’s forests have been classified as productive, and are subject to some kind of management. Considering their environmental and social importance, the managed forest ecosystems are not receiving as much scientific attention as the few remaining unmanaged ones. This is especially true in the growing urban landscapes(More)
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