化冰盐对长沙市主干道绿化植物的持续危害  

Continuous Damage of Ice-melting Salts to Plants along the Main Urban Roads in Changsha City

作　　者：侯伯鑫[1] 吴际友[1] 王旭军[1] 廖德志[1] 程勇[1] 

机构地区：[1]湖南省林业科学研究院,长沙410004

出　　处：《中国城市林业》2010年第3期44-46,共3页Journal of Chinese Urban Forestry

基　　金：国家"十一五"科技支撑专题:中部地区城市森林建设技术试验示范(2006BAD03A1704)

摘　　要：2008年初,长沙市遭遇罕见的严重冰冻灾害,抗冰救灾期间,为保交通,对市区21条主干道进行撒盐融冰,累计抛撒工业用盐近7000t,处理后的积雪大量堆积融化在绿化带土壤中,冰冻与盐害造成大面积花灌木死亡或生长不良[1,2]。2010年追踪调查发现,渗入绿化带土壤中的盐分已使土壤出现不同程度的持续盐碱化,对适宜酸性土生长的本土植物构成不可低估的生态灾害。A disastrous frost occurred early 2008 in Changsha City. In order to maintain road conditions for traffic, about 7000 tons of ice-melting salts were applied in 21 main roads in the urban area during the frost disaster. The snow treated with ice-melting salt were piled up and melted in the green belt, Therefore, Freezing together with salt damage led to large-scale deaths of flower plants and shrubs or poor growth. The follow-up investigation conducted in 2010 indicated that large amount of salts penetrated into soils led to salinization to different extents and imposed great threat to local plants which are adapted to acid soils.

关 键 词：主干道 长沙市 绿化植物 冰盐 危害 生长不良 工业用 绿化带 

分 类 号：S761.6[农业科学—森林保护学]