Urban nature is of vital importance for human well-being in an increasingly urbanized world. How to use fragmented urban green space characteristics to meet the ecological function and landscape activity needs efficiently and economically is an urgent design research problem to be solved. This study promoted the theory and practice of community ecology into the design of urban environment base the carrier as artificial habitat island, demonstrated the correlation and interoperability of the types of built environment habitats and plant community organization, and explored the different design models and correlation between habitats and design elements base the research through design. The research proposed five "Artificial Habitat-Island" optimization design models for five environmental green space categories in semi-arid microscale green space, and summarized the "Artificial Habitat-Island" designing process of construction and management maintenance evaluating landscape full life circle. Using hierarchical analysis to make a comprehensive assessment of "Artificial Habitat-Island" to verify its application function value, the G1, G3, B3 and B7 prominently enhanced ecological and landscape benefits. Not only had good regional landscape characteristics, its management and maintenance cost were also lower. "Artificial Habitat-Island" provided a new experimental medium of both ecological and experimental value in small-scale urban space, effectively improved the value of the built environment landscape with using stable and high-quality local plant community, which was more conducive to the study of manual intervened groundcover plant community composition. [ABSTRACT FROM AUTHOR]
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