本文選題：長沙市　切入點：園林植物　出處：《中國林業(yè)科學(xué)研究院》2015年碩士論文

【摘要】：當今社會背景下,城市化已成為城市發(fā)展的主流。城市園林綠化作為城市化發(fā)展配套設(shè)施也得到了迅猛發(fā)展。為了達到城市快速綠化的標準,大型機械普遍用于城市綠化建設(shè)中,嚴重破壞土壤結(jié)構(gòu)。又中國的城市人口密集,即使園林綠地投入使用后也被人為踐踏嚴重,導(dǎo)致城市土壤質(zhì)量退化。而城市土壤質(zhì)量退化是造成城市土壤理化性質(zhì)退化的主要的原因。因此,城市土壤質(zhì)量高低已發(fā)展成為限制城市園林綠化發(fā)展的主要原因之一,也關(guān)系到城市生態(tài)環(huán)境質(zhì)量的提高和城市土壤生態(tài)功能的發(fā)揮。本文以長沙城區(qū)為調(diào)查對象,系統(tǒng)比對和分析長沙城區(qū)的綠地土壤性狀。針對湖南省烈士公園、省森林植物園、南郊公園、天心公園、五一路、芙蓉路、韶山路、人民路等公共綠地的城市土壤現(xiàn)場調(diào)查分析,筆者對長沙市城市土壤容重、土壤孔隙度、土壤水分、土壤有機質(zhì)含量、土壤N、P、K含量等因素進行了實驗及分析,不僅總結(jié)出長沙城區(qū)綠地土壤性狀以及對園林植物生長的影響,而且還發(fā)現(xiàn)了綠地土壤在發(fā)展中存在的問題。筆者還期冀城區(qū)建設(shè)能正確利用園林植物,以減緩城市土壤對園林建設(shè)的影響。園林建設(shè)的可持續(xù)發(fā)展急待改善,制定促進城市園林建設(shè),改善城市生態(tài)環(huán)境的科學(xué)決策依舊是重中之重。
[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.
【學(xué)位授予單位】：中國林業(yè)科學(xué)研究院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：S151.9;TU986

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