Study on Synergism of Five Laws and Developing Strategy of Xianlin New Urban Area in Nanjing;

Status quo of harmful on witches broom of spruce were stated in Xianmi forest region.

By quantitatively comparing the variation of the major contaminations of CODMn and NH3-N in the lijiang river of Guilin city section under three different conditions during dry period, an appraisal is made on the water quality classification for various cross sections.

Under the guideline of a new constructive urban forest model which reflects Guangzhou s characteristic with the composition of shelter, woodland and garden proposed by local government, and combines with present forest situation, the author puts forward the guiding ideas and basic principles for urban woodland construction and the keys to the construction.

By the analysis of the standing and the function offorestry in the development of economy and society,according to the practice of forest region in Heilongjiang province,raising up the connotation of building socialism new forest region.

Analyzed the important status and the role of building socialist new forest region to economy development in Yanbian,raised up to bring forestry \' s pillar role into play in economy construction and bring forestry\' s guarantees role into play in ecology safty construction.