Abstract
The aim of this study was to investigate the relationship between subdivision design and landscape structure. The study outcome reveals how street-related design elements influence landscape structure, especially patch size, which represents species diversity and species distribution. Comparison analysis was conducted between two areas that had similar pre-development ecological conditions but were developed with different design approaches: ecological design approach and conventional development approach. Aerial photos of each area were classified as forested or non-forested, and landscape structure was quantified with six landscape metrics related to fragmentation. The ecologically planned community, which is designed with lower lot perimeter, narrower street width, and fewer number of intersections showed a less fragmented forest pattern and resulted in more ecologically structured environments. This study also revealed street-related design metrics were more significantly related to habitat fragmentation than parcel-related metrics. This study provides quantified landscape configuration and composition, showing the influence of design metrics on landscape structure. Understanding how elements of design metrics affect ecological landscape patterning is important for landscape architects and planners for planning and designing ecologically healthy environments.
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