A Statistically Rigorous Approach to Experimental Design of Vertical Living Walls for Green Buildings

Rosmina A., Bustami and Chris, Brien and James, Ward and Simon, Beecham and Robyn, Rawlings (2019) A Statistically Rigorous Approach to Experimental Design of Vertical Living Walls for Green Buildings. Urban Science, 3 (71). pp. 1-15. ISSN 2413-8851

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Abstract

Living walls (LW) have been widely proposed as a form of green infrastructure to improve aesthetics, energy consumption, and microclimate in urban environments by adding densely-planted vegetation to the outside walls of buildings. Scientific studies using multiple treatments in a single LW face challenges due to the close physical proximity of different treatments, particularly the potential for plants above to influence those below. A study on a west-facing LW was undertaken to investigate 36 unique treatments in Adelaide, South Australia, for nine months. The LW comprised combinations of six native plant species, three soil substrates and two irrigation volumes. The LW consisted of 144 modular trays mounted on a wall in a 12 × 12 grid with four replicates of each treatment. The location of each treatment was designed to account for a cascading carry-over effect that may be present when one plant is placed above another. Carry-over effect of the model designed showed mixed results among the plant groups identified. It was also found that long-form plants can significantly shade smaller plants below them. Experimental research into the performance of plants in mixed species LW should consider the carry-over effect to account for this.

Item Type: Article
Uncontrolled Keywords: living wall; vertical greenery system; carry-over effect; native plants, UNIMAS, University, Borneo, Malaysia, Sarawak, Kuching, Samarahan, IPTA, education, Universiti Malaysia Sarawak
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Academic Faculties, Institutes and Centres > Faculty of Engineering
Depositing User: Ahmad Bustami
Date Deposited: 23 Sep 2021 04:56
Last Modified: 23 Sep 2021 04:56
URI: http://ir.unimas.my/id/eprint/36173

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