Abstract
Under the pressure of rapid urbanization, the development of urban land in Vietnam has invaded green lands and had a negative impact on their ecosystems and environments. The new urban development not only does not improve the demand for green urban space but makes the living environment worse. Studying the design seriously and putting forward solutions for green urban space is essential and urgent. Taking Da Nang as a case study, planning a network of multicenter urban green space would change ecological principles to create a sustainable urban ecosystem. This is based on a landscape metrics method to reveal the green space system characteristics and its spatial distribution, area, density, and shape. A set of shapes index including categories such as SHAPE, mean distance (m) between each cell (GYRATE) and mean Euclidean distance neighbour (ENN) was used to display the geometrical shape of patches and continuity. These indices stress the difference in spatial structure in various land-use types. This article draws upon ecological landscape theory to propose a green system of urban regions including green space wedges, greenways, corridors, greenbelts and green additions; these factors help to create a sustainable urban green space.
Highlights
Developing sustainable cities is a valid social aim that leads to greater population concentrations in urban areas than in rural areas, and sustainable development is a global goal [1]
This paper focuses on the sustainable environment aspect based on theories of ecology landscape to support sustainable development through green infrastructure planning in urban regions
After the 1980s, when the “opening up” policy was launched, cities in Vietnam developed rapidly, which led to environmental problems that caused a lack of green space in the metropolitan area [6]
Summary
Developing sustainable cities is a valid social aim that leads to greater population concentrations in urban areas than in rural areas, and sustainable development is a global goal [1]. The concept of green infrastructure is known as a helpful approach to furnish advantages to citizens through integrated green space system toward the aim of developing sustainable cities and to meet the ecological demand for of the urban population [2,3,4,5]. This paper focuses on the sustainable environment aspect based on theories of ecology landscape to support sustainable development through green infrastructure planning in urban regions. In order to mitigate the effects of this process, urban and landscape architects attempt to apply ecological principles to urban areas in different ways and scales
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