Evaluation of Urban Road Plant Landscape in Mianyang Based on Analytic Hierarchy Process

The analytic hierarchy process decomposes the problem into different components according to nature of and overall goal be achieved, combines factors at levels interrelationship between affiliation relationship, forming a multi-level analysis structure model, So as finally make boil down determination relatively important weight lowest level (plans, measures, etc. for decision-making) relative highest (the goal) or scheduling order superiority inferiority. In this paper, 13 urban roads in Mianyang were selected research object. Analytic Hierarchy Process (AHP) was used establish evaluation index judgment matrix from 3 criterion 9 levels, landscape system constructed comprehensive on plant roads. Results show that health, color composition, native community, diversity degree coordination with surrounding five indicators have influence city road landscape. final result is: 6 rated second-level roads, 7 third-level On basis, summarized main characteristics Mianyang, some suggestions put forward guide construction Mianyang.