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Qingdao Chengyang Saline Intertidal Zone to Landscape Planning

Author: MaDongDong
Tutor: ZhangJingQun;DongYunQiu
School: Northwest University of Science and Technology
Course: Landscape Architecture
Keywords: Marina Yantian green The blind tube row salt Saline Soil Landscape Planning Chengyang
CLC: TU985
Type: Master's thesis
Year: 2009
Downloads: 98
Quote: 0
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Abstract


Soil salinization and salinization problems exist world-wide, according to UNESCO and FAO to incomplete statistics, the world saline land area of ??954 million ha. Soil salinization and salinization problems, has become the sustainable development of the world's irrigated agriculture resource constraints, saline soil resources as a soil resource, is a core part of the saline-alkali soil resources. Salinized land in China a wide range of large, widely distributed, diverse types, only modern salinization of soil area of ??about 6,933,000 ha residual salinization of soil approximately 4,867,000 ha, potential salinization of soil 17,333,000 ha, all kinds of saline land area Total 9,133,000 hm 2. Regional bio-climatic and environmental factors such as differences in the distribution of saline soil, saline soil in China can be broadly divided into coastal saline soil and shoals, the Huang-Huai-Hai Plain saline soil in Northeast Songnen Plain saline soil and alkaline earth, semi-desert territory of continental saline soil and green the the new extreme drought yermosols solonchak top five chip. The transformation of governance and rational development and utilization of these resources is one important way for sustainable development of agriculture in China, is also of particular importance to improve the ecological environment and promote sustainable development of regional economic, social and ecological. With the the Qingdao coastal shoreline development and utilization, saline land green renovation require corresponding measures. Summary this paper saline transformation measures at home and abroad, after the effects of the new measures of Dongying, Tianjin Landscaping saline transformation, combined with the actual situation of Qingdao local coastal Yantian, comprehensive management and Landscape Construction to study the following conclusions: 1, design a blind tube row of salt across the salt layer combined add new soil replacement geotextile retrofit measures that the a good row salt effect in coastal saline soil and shoals of saline soil type. Specific technical dug under a lot of green projects 1.5m, than 6cm in diameter threaded blind salt discharge pipe laying at the bottom, on laying the isolation layer about 40cm (coarse sand or slag, etc.), isolation layer in the laying of more than 5cm filter layer (such as straw or straw), backfilling planting soil. Students plant growth in saline land Dongying and Qingdao. Ecological investigation and analysis of the indicators, the salt content of plant roots and soil pH value, screened Ash 20 salinity species, to prove its anti-salted ability of soil. The saline land greening change the geotechnical program design and Saline Soil Screening, saline land a more mature green transformation program, and, respectively, in the Tang Island Bay landscape renovation project and the City Huanhai New Material Industrial Park landscape planned demonstration application. 4, put forward the guiding ideology of the coastal saline soil and shoals of saline soil ecological landscape construction and successful technology, results prove continuous observation after completion of three years, according to Tang Island Bay landscape renovation project, the project design of the saline-alkali soil blind tube row salt geotextile transformation science program, effective landscaping plant selection in line with the principle of ecology and biological characteristics.

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