Abstract:

In order to clarify the present situation and important factors of influence road plant landscape in the low -carbon city Nanchang, provide the basis of road plant landscape planning and design both in Nanchang City and other low-carbon in China. Descriptive inventories were used and several indexes which had great impacts on the landscape of road plants were selected to make an evaluation of road plant landscape. The study began with the ways to form a landscape evaluation system; then the weight were determined and the indexes for evaluation were quantified, using the method, to study and analyze the landscape of Nanchang arterial road plants. The results showed that total constructive level of Nanchang City arterial road plants landscape was better, and 57.14% road landscape plants of investigated roads were up to II level, 35.71% up to III level, only 7.14% lower than IV leve1. The highest index was the harmony between plants and hard landscape, and was followed by harmony between plants and the whole environment, the life-form structure of plants was the third among 8 evaluated factors, this showed that people should pay attention to the harmony among plants, hard landscape, and the whole environment, and the reasonable collocation of tree, shrub and grass of most sections in the whole construction process of Nanchang City. The diversity of plant species and viewing characteristics of plants were the lowest indices. There still existed some problem such as 1iving vegetation volum per cubic metre was low, plant species application was not rich, and the regional characteristic of plant landscape was not quite outstanding of road plants landscape in Nanchang City. Aimed at the evaluation results, suggestions and measures for construction the low-carbon plant landscape and regional characteristic of plant landscape of arterial roads in Nanchang City were put forwarded.