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http://dx.doi.org/10.9715/KILA.2018.46.5.082

A Study on Model Development for the Density Management of Overcrowded Planting Sites and the Planting Design of New Planting Sites - A Case Study of Buffer Green Spaces in the Dongtan New Town, Hwaseong -  

Choi, Jin-Woo (Environmental Ecosystem Research Foundation)
Publication Information
Journal of the Korean Institute of Landscape Architecture / v.46, no.5, 2018 , pp. 82-92 More about this Journal
Abstract
The purpose of this study is to develop a model for the density management of planting sites and an additional model for new planting sites. In the Dongtan New Town of Hwaseong, there are buffer green spaces, with widths between 8m and 15m, between roads and apartment complexes. A total 38 survey plots were set to examine the planting patterns and the density of landscape trees. The Crown Overlapping Index (COI) was developed to assess the level of overcrowding as far as tree growth and development effectively. Pinus strobus recorded the most serious level of overcrowding growth and development. Its average density and average COI were very high at $0.3trees/m^2$ and 35.6%, respectively. There were many areas in which its COI was above 45%. The criteria for density management were set by standardizing the COI into three levels, which were above 45% (Type A), 30~45% (Type B), and under 30% (Type C). A model was proposed to manage poorly growing trees and to develop a model to select and manage trees of similar specification based on the planting patterns. The trees of density management areas were reviewed in terms of tree types and the ease of transplanting to establish an application system for the management plans according to the possibility of transplanting, thinning, and pruning. In new buffer green spaces, the planting density of Pinus strobus was lowered to $0.20{\sim}0.25trees/m^2$, with that of shrubs being reduced to $1.5{\sim}2.0trees/m^2$, leading to a planting design model to cover the lower parts in at least 30~40%.
Keywords
Crown Overlapping Index; Tree Density; Pinus Strobus; Landscape Trees; Transplanting;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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