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central south forestry university
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  中南林学院
    The Zhuzhou campas of Central South Forestry University in district of Zhuzhou city has been divided into about 7 small areas each with an area of 0.1 km2. The environment qualities of the small areas have been judged with pollution index (IP) method.
    将位于株洲市石峰区的中南林学院株洲校区分成7个约0.1km2的小区,用污染指数(IP)判断各小区的环境质量。
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Contents of Na, Mn, Pb, Fe in the leaves of four trees including Pinus massoniana, Cunninghamia lanceolata, Cinnamomum camphora and Buxus megistophylla were determined. The Zhuzhou campas of Central South Forestry University in district of Zhuzhou city has been divided into about 7 small areas each with an area of 0.1 km2. The environment qualities of the small areas have been judged with pollution index (IP) method. The environment qualities are classified into 4 grades according to the size of...

Contents of Na, Mn, Pb, Fe in the leaves of four trees including Pinus massoniana, Cunninghamia lanceolata, Cinnamomum camphora and Buxus megistophylla were determined. The Zhuzhou campas of Central South Forestry University in district of Zhuzhou city has been divided into about 7 small areas each with an area of 0.1 km2. The environment qualities of the small areas have been judged with pollution index (IP) method. The environment qualities are classified into 4 grades according to the size of IP index --Ⅰgrade (clean areas) IP<1.50; Ⅱ grade (slightly polluted areas) 1.50 <IP< 3.00; Ⅲ grade (moderately polluted areas) 3.00 <IP< 4.50; Ⅳ grade (seriously polluted areas)IP≥4.51. Obvious differences could be found among the IP indexes of these small areas: pollution indexes of Dongshan, Xishan and Zhangshuyicun have come up to Ⅲ grade and need to be controlled. The paper puts forward the relevant indexes of the sources of pollutants and explains the main sources of the pollutants.

研究了香樟(Cinnamomumcamphora)、大叶黄杨(Buxusmegistophylla)、杉木(Cun ninghamialanceolata)和马尾松(Pinusmassoniana)4种树木叶片中的钠、锰、铅、铁含量。将位于株洲市石峰区的中南林学院株洲校区分成7个约0.1km2的小区,用污染指数(IP)判断各小区的环境质量。按IP的大小,可将环境质量分成4级:IP<1.50为Ⅰ级(清洁区),1.50

 
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