天津市常见针叶树吸滞重金属及硫能力分析  

Analysis of Absorption Ability of Common Conifer for Heavy Metals and S in Tianjin

作　　者：李少宁[1,2,3] 鲁绍伟 丁杰[4] 鲁少波 陈波[1,2,3] 石媛 LI Shao-ning;LU Shao-wei;DING Jie;LU Shao-bo;CHEN Bo;SHI Yuan(Forestry and Pomology Institute, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100093 , China;Beijing Collaborative Innovation Center for Eco-environmental Improvement with Forestry and Fruit Trees, Beijing 100093 , China;Beijing Yanshan Forest Eco-system Research Station, Beijing 100093 , China;College of Forestry, Agricultural University of Hebei, Hebei Baoding 071000 , China;Forestry Department of Hebei Province, Hebei Shijiazhuang 050081, China)

机构地区：[1]北京市农林科学院林业果树研究所,北京100093 [2]北京林果业生态环境功能提升协同创新中心,北京100093 [3]北京燕山森林生态系统定位观测研究站,北京100093 [4]河北农业大学林学院,河北保定071000 [5]河北省林业厅,河北石家庄050081

出　　处：《西南农业学报》2018年第4期835-841,共7页Southwest China Journal of Agricultural Sciences

基　　金：北京市农林科学院科技创新能力建设专项"北京森林生态质量状况监测基础数据平台建设"(KJCX20160301);"北京主要造林树种优良品种选育与部分经济林树种生态功能研究"(KJCX20150205);北京市农林科学院科技创新团队资助项目"林木生态功能监测与资源评价创新团队"(TWKST201609);科技创新服务能力建设-可研基地建设-林果业生态环境功能提升协同创新中心(2011协同创新中心)(市级)(PXM2017_014207_000024)

摘　　要：【目的】筛选出不同污染条件下对重金属及S吸滞较强的树种。【方法】使用Elementa Vario EL III CHNOS元素分析仪测定天津市常见针叶树种,对昆仑桥(市区)、水上公园(近郊公园区)、蓟县(远郊园林区)和杨柳青庄园(远郊风景区)4个区域叶片中重金属元素含量和S进行分析。【结果】不同地点桧柏、龙柏和雪松叶片吸滞污染元素综合排序一致,均为:S>As>Pb>Cu>Cr>Cd;不同地点桧柏吸滞能力由远郊—近郊—市区逐渐显著增强,不同地点龙柏吸滞能力为近郊—市区—远郊风景区—远郊园林区逐渐减弱,不同地点雪松吸滞能力与污染程度密切相关,从远郊—近郊逐渐显著增强;每种元素含量的最高值与最低值相差在1~5倍,Cd和Cr最大,Pb最小。【结论】不同地点相同树木叶片中吸滞重金属和S的能力差异较小,但季节差异性较大。[Object]The article aimed to select the tree species with strong adsorption of heavy metals and S under different pollution condi-tion. [Method] We studied coniferous tree species as the research object, which to analyze heavy metal elements content and S in leaves on Kunlun bridge （urban area） , Shuishang park （suburban Park area） , Jixian county （suburban landscape area） and Yangliuqing Manor （outer suburb scenic area） by Elementa Vario EL III CHNOS elemental analyzer of Tianjin.【 Result】 The results showed that： the compre-hensive order of Sabina chinensis, Juniperus chinensis, Pins cedrus leaves5 absorption pollution elements was the same in different places ： S 〉 As 〉 Pb 〉 Cu 〉 Cr 〉 Cd. In different places, absorption ability was gradually enhanced from suburban area-urban area to outer suburb forSabina chinensis; it was significantly decreased from suburban area-urban area-outer suburb scenic area-suburban landscape area to outer suburb scenic area for Juniperus chinensis. Absorption capacity was significantly enhanced for Pins cedrus from outer suburb to suburban are-a. The highest value differed by 1 - 5 times from the lowest value of each element content difference. Cd and Cr were maximum, Pb was minimum.【 Conclusion】 The difference in the ability of the heavy metal ’ and S absorption was smaller in different locations, but the seasonal difference was larger.

关 键 词：绿化树种 植物叶片 重金属 S 吸滞能力 天津 

分 类 号：S19[农业科学—农业基础科学]