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Application Research on the Aquatic Plants Improve the Self-purification Capacity for the Landscape Water

Author: SunLin
Tutor: ShenShouYun
School: Central South University of Forestry Science and Technology
Course: Ornamental Plants and Horticulture
Keywords: Water landscape Aquatic plants Purifying effect Water Quality Objectives
CLC: S682.32
Type: Master's thesis
Year: 2011
Downloads: 80
Quote: 1
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Abstract


Aquatic plants as an important component of urban city landscape elements , not only has important landscape effect, but also has multiple ecological significance , improper handling of water , directly affecting ornamental value , and the pollution of the surrounding environment, increase the burden on the environment . For small surface water body landscape , pollutant concentration is low, the effect of plant characteristics configure emphasis landscape design test, trial selected a yellow iris, water chestnuts, Sea Life flowers, ribbon grass landscape effects of several commonly used plants as well for the test plants . By analyzing the test plants were planted with different bodies of water measured several important indicators of water quality ( oxygen , nitrogen, phosphorus , pH, turbidity ) changes in order to analyze the impact of different aquatic plants on water quality in order for the future the city's water plant landscape construction by reference. The main contents are as follows: ( 1 ) through the city water landscaping related concepts and research progress of literature reading to determine the thesis research methods and main content. ( 2 ) In the survey , while collecting the relevant data were analyzed to fully understand the current situation of the city's existing water bodies , aquatic allocation and growth , comparative analysis of water quality in water bodies of the four seasons , to analyze the causes of changes in water quality , design experiments . By simulating water landscape aquatic this single factor impacts on water quality , in order to explore a suitable living environment of aquatic plants improve water purification capacity , as well as with the ecological function and landscape features of water bodies in the urban landscape of economic management to provide evidence . ( 3 ) Select the yellow iris, water chestnuts, Sea Life flowers, ribbon grass for 50d observation and measurement . Analysis of these four kinds of aquatic plants on the test water body color, oxygen , and nitrogen and phosphorus content of. The results showed that: four kinds of aquatic plants in water content of water chestnuts D0 gt; ribbon grass gt; yellow irises gt; Sea Life flowers ; water turbidity of ribbon grass gt; chestnuts gt; yellow irises gt; Sea Life flowers ; TP concentrations in water ribbon grass is gt; yellow irises gt; sea Life flowers gt; chestnuts ; water content of ribbon grass TN gt; chestnuts gt; sea Life flowers gt; yellow irises . Four kinds of aquatic plants under the influence of the pH value of water between 7.5-8.5 . Where yellow iris and flowers grow best Sea Life , Sea Life flower water turbidity lowest landscape most obvious effect .

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CLC: > Agricultural Sciences > Gardening > Ornamental Horticulture ( flowers and ornamental trees) > Perennial Flowers > Other Flowers > Aquatic plants
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