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Volume 112 Issue 2
- Research article
by
1Landscape Architecture Department, Imam Abdulrahman Bin Faisal University (IAU)
- Volume 112 Issue 2
- Pages: 58
- - 77
- https://doi.org/10.70517/la20221122-04
The resilience of fresh fruits and vegetables in Great Britain goes beyond merely considering the area of urban green spaces. Various crop classes suitable for cultivation outdoors differ in terms of productivity, level of imports dependency, storage behaviour, and urban governance requirements, while exotic produce is always structurally reliant on imports. The current study attempts to calculate the shares of land subject to supply pressure from each of six crop classes of produce suitable for cultivation outdoors. The calculation combines data on crop yield, domestic production, imports, current supply, inferred productive area of urban green spaces, and the town’s capacity for the production of crops in question to identify the share of land needed to compensate for the current imports and current supply within each of six compatible crop classes. In this way, land shares have been calculated at 25.9%, 4.7%, 10.4%, 11.5%, 18.2%, and 29.4% for orchard fruits, soft fruits, roots and onions, brassicas, legumes, and other vegetables respectively. National production in case of fully utilised productive potential would amount to 21.568 million tonnes per year – this equals 36.4% of domestic production plus imports and 394.0% of the current supply of the six compatible classes. While the latter figure seems unmanageable, its practical implications are more moderate. Thus, 16.2% of productive green space area in all towns could be sufficient for importing the amount of produce specified, while 32.4% would be needed to produce all this produce domestically. By altering the crop mix in 26 towns/cities, a production volume of 164.2 to 271.1 kg per person per year may be achieved, which surpasses the annual mass equivalent of daily guidelines in all cases.
- Research article
by
1HuanTian Wisdom Technology Co., Ltd., Meishan, Sichuan, 620564, China
- Volume 112 Issue 2
- Pages: 37
- - 57
- https://doi.org/10.70517/la20221122-03
The potential for urban green space as climate-adaptive assets is well established. However, what designers and other practitioners need from evidence about outdoor urban green spaces are findings that (a) identify manipulable variables, (b) are relevant at a relevant scale, (c) state the form of any transferable guidance, and (d) make clear how a finding can guide the practice of urban streets, squares, parks, and residential open spaces. The purpose of this study is to construct a Design-Translation Completeness Audit (DTCA) capable of identifying where there are losses in usability within a 76-case record of studies on outdoor urban green spaces and climate adaptation. The audit consists of organizing the evidence into the Design Translation Record, DTR-76, consisting of six layers of information, which are connected and nested: adaptation target, scale, research method, practitioner-facing output, design relevance, and transferability. The key test is whether the usability of the knowledge base is impaired primarily by the problem of coverage (topic), proximity, methods used, output conversion (how relevant knowledge is communicated), relevance, or transferability. Findings are that there is greater usability loss in the output-conversion layer than in the scale and relevance layers. Of the 76 studies, 49 address thermal comfort; 22 address urban heat-island mitigation or urban cooling; and 5 address stormwater management. Site-, street- and multiscale research account for 52 cases; controlled field studies account for 2. For 72 practitioner-focused outputs, 41 give insight, 17 give recommendation, 4 give guideline, 2 give design proposal, and 8 other types of structured outputs. Among 72 outputs, 64 are design-relevant, but only 23 are direct outputs. The Design Translation Completeness Index is 0.761; the operational conversion value is 0.345. The main finding is the specific finding of a loss in usability of evidence. Four quantitative targets arise from the audit: 13 more design insights need to be converted to guidance; 13 more stormwater studies are needed for one-fifth representation; 7 more controlled field studies are needed for one-tenth representation; and 5 medium transfer outputs should be upgraded to high transfer guidance.
Call for Papers
Landscape Architecture invites submissions for Volume 2026, Issue 3, scheduled for publication in September 2026. The journal welcomes high-quality scholarly contributions that advance research, theory, criticism, and applied knowledge in landscape architecture and related fields.