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The New Method Judged Horizontal Distribution Pattern by Uniform Angle Index Dynamic Testing and Probability Distribution of Elastic Modulus of SPF Dimension Lumbers Diameter frequency distribution for 0-5mm roots in six mid-subtropical forests subject to different regeneration approaches Analysis on pathogenic interaction between isolates of Rhizoctonia solani and rice varieties Study on median diameters and size distributions of airborne microbes in three functional regions in Beijing Quantitative characteristics of soil aggregates under different vegetations in upper reach of Minjiang River THE SETLEMENT AND COMPETITION OF THREE ARBOR MANGROVE SPECIES IN THE BUSH COMMUNITY