长沙城区绿地土壤性状分析

发布时间：2018-04-03 23:15

本文选题：长沙市　切入点：园林植物　出处：《中国林业科学研究院》2015年硕士论文

【摘要】：当今社会背景下,城市化已成为城市发展的主流。城市园林绿化作为城市化发展配套设施也得到了迅猛发展。为了达到城市快速绿化的标准,大型机械普遍用于城市绿化建设中,严重破坏土壤结构。又中国的城市人口密集,即使园林绿地投入使用后也被人为践踏严重,导致城市土壤质量退化。而城市土壤质量退化是造成城市土壤理化性质退化的主要的原因。因此,城市土壤质量高低已发展成为限制城市园林绿化发展的主要原因之一,也关系到城市生态环境质量的提高和城市土壤生态功能的发挥。本文以长沙城区为调查对象,系统比对和分析长沙城区的绿地土壤性状。针对湖南省烈士公园、省森林植物园、南郊公园、天心公园、五一路、芙蓉路、韶山路、人民路等公共绿地的城市土壤现场调查分析,笔者对长沙市城市土壤容重、土壤孔隙度、土壤水分、土壤有机质含量、土壤N、P、K含量等因素进行了实验及分析,不仅总结出长沙城区绿地土壤性状以及对园林植物生长的影响,而且还发现了绿地土壤在发展中存在的问题。笔者还期冀城区建设能正确利用园林植物,以减缓城市土壤对园林建设的影响。园林建设的可持续发展急待改善,制定促进城市园林建设,改善城市生态环境的科学决策依旧是重中之重。
[Abstract]:Nowadays, urbanization has become the mainstream of urban development.As the supporting facilities of urbanization, urban landscape greening has also developed rapidly.In order to reach the standard of rapid urban greening, large machinery is widely used in urban greening construction, which seriously destroys soil structure.The urban population is dense in China, even after the garden green space is put into use, it is trampled seriously, resulting in the degradation of urban soil quality.The degradation of urban soil quality is the main cause of the degradation of physical and chemical properties of urban soil.Therefore, the level of urban soil quality has become one of the main reasons that restrict the development of urban landscape and greening. It also relates to the improvement of urban ecological environment quality and the exertion of urban soil ecological function.In this paper, the characteristics of greenbelt soil in Changsha City were compared and analyzed systematically.In view of the investigation and analysis of urban soil in Hunan Martyrs Park, Provincial Forest Botanical Garden, Southern suburb Park, Tianxin Park, Wuyi Road, Furong Road, Shaoshan Road, people's Road and other public green spaces, the author made a survey and analysis on the density of urban soil in Changsha.The factors of soil porosity, soil moisture, soil organic matter content, soil Nu Pu K content and so on were tested and analyzed, which not only summarized the soil characteristics of green space in Changsha city, but also the influence on the growth of garden plants.And also found the green soil in the development of problems.The author also hopes that the construction of urban area can make use of garden plants correctly, so as to slow down the influence of urban soil on garden construction.The sustainable development of garden construction needs to be improved urgently. It is still the most important to make scientific decision to promote urban garden construction and improve urban ecological environment.
【学位授予单位】：中国林业科学研究院
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：S151.9;TU986

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