Considering the importance of visual representations for communication between stakeholders in landscape planning and design processes, the authors identify a lack of critical visual research methods supportive of the disciplines involved. As part of such a method, they have developed an analytical framework based on semiotic and iconographic theory that enables a visual content analysis and iconographic interpretation of landscape design representations. Two projects from Rebuild by Design, a participatory transdisciplinary design competition organized in the New York City area after hurricane Sandy, were analysed to demonstrate this framework. The article presents a semiotic vocabulary based on four categories: medium, mode, formulation and knowledge with which to ‘read’, discuss and potentially create design representations. This enables a syntactic analysis for assessing the semiotic complexity of design representations in terms of validity, readability and interactivity. This assessment enables further qualitative study of the production and interpretation of landscape design representations in practice.
The present research offers an exploration into the biophilic approach and the role of its agents in urban planning in questions of building a green, resilient urban environment. Biophilia, the innate need of humans to connect with nature, coined by Edgar O. Wilson in 1984, is a concept that has been used in urban governance through institutions, agents’ behaviours, activities and systems to make the environment nature-inclusive. Therefore, it leads to green, resilient environments and to making cities more sustainable. Due to an increasing population, space within and around cities keeps on being urbanised, replacing natural land cover with concrete surfaces. These changes to land use influence and stress the environment, its components, and consequently impact the overall resilience of the space. To understand the interactions and address the adverse impacts these changes might have, it is necessary to identify and define the environment’s components: the institutions, systems, and agents. This paper exemplifies the biophilic approach through a case study in the city of Birmingham, United Kingdom and its biophilic agents. Using the categorisation of agents, the data obtained through in-situ interviews with local professionals provided details on the agent fabric and their dynamics with the other two environments’ components within the climate resilience framework. The qualitative analysis demonstrates the ways biophilic agents act upon and interact within the environment in the realm of urban planning and influence building a climate-resilient city. Their activities range from small-scale community projects for improving their neighbourhood to public administration programs focusing on regenerating and regreening the city. From individuals advocating for and educating on biophilic approach, to private organisations challenging the business-as-usual regulations, it appeared that in Birmingham the biophilic approach has found its representatives in every agent category. Overall, the activities they perform in the environment define their role in building resilience. Nonetheless, the role of biophilic agents appears to be one of the major challengers to the urban design’s status quo and the business-as-usual of urban governance. Researching the environment, focused on agents and their behaviour and activities based on nature as inspiration in addressing climate change on a city level, is an opposite approach to searching and addressing the negative impacts of human activity on the environment. This focus can provide visibility of the local human activities that enhance resilience, while these are becoming a valuable input to city governance and planning, with the potential of scaling it up to other cities and on to regional, national, and global levels.
The Steenbreek program is a private Dutch program which aims to involve citizens, municipalities and other stakeholders in replacing pavement with vegetation in private gardens. The Dutch approach is characterized by minimal governmental incentives or policy, which leaves a niche for private initiatives like Steenbreek, that mainly work on behavioural change. The aim of this paper is to build a model based on theory that can be used to improve and better evaluate depaving actions that are based on behavioural change. We tested this garden greening behaviour model in the Steenbreek program. The main result is that the model provides an understanding of the ‘how and why’ of the Steenbreek initiatives. Based on this we are able to provide recommendations for the improvement of future initiatives. Steenbreek covers a wide range of projects that together, in very different ways, take into account elements of the theoretical framework; either more on information factors, or on supporting factors, sometimes taking all elements together in a single action. This focus is sometimes understandable when just one element is needed (e.g., support), sometimes more elements could be taken into account to be more effective. If a certain element of the framework is lacking, the change of behaviour will not (or will only partly) take place. The model also gives insight into a more specific approach aimed at the people most susceptible to changing their behaviour, which would make actions more effective.
In the process of agricultural land consolidation, the land parcels are optimally redesigned and rearranged in such a way that the dimensions of the resulting parcels are proportional to agricultural criteria such as irrigation discharge, soil texture, and cropping pattern. Besides these criteria, spatial factors like slope, road accessibility, volume of earthwork, and geometrical factors such as size and shape of parcels are also included in the design process of agricultural land partitioning. In this study, a land partitioning model was proposed using a multi‐objective artificial bee colony algorithm (MOABC‐LP) taking into consideration the mentioned factors. Initially, a feasible dimension range of parcels in a block was calculated based on irrigation efficiency. Two partitioning layouts were defined according to the topography and geometry of blocks. The proposed method was applied to a real study area and the results suggest that the land partitioning plan obtained by the MOABC‐LP model, in comparison with a designer's plan, not only makes the shape and size of parcels more compatible with the topographical and agricultural conditions of each block, but also reduces their cut‐and‐fill ratio.
Visual landscape design representations facilitate communication and knowledge exchange during participatory planning and design processes. The production of representations is considered to be a discursive act: actors and institutions construct knowledge with a certain authority and credibility through the use of visual expression. We aim to study the context in which the production of representations is embedded and how this context manifests itself in the communicative qualities of design representations. We present a visual discourse analysis of landscape design representations, employing empirical examples from the transdisciplinary design competition Rebuild by Design. The analysis uncovers interdependencies among three components of the visual discourse: the arrangement of participatory processes, media interactivity and the visual rhetoric embedded in the composition and style of the image. A conscious use of these discursive components could help prevent miscommunication, manage participant expectations and increase the validity of participatory design process outcomes. Design visualization / visual discourse analysis / participatory design / visual rhetoric / rebuild by design introductionAs intermediaries in participatory design processes, landscape architects 'provoke situations of exchange and dialogue between a place and a public'. 1 Landscape architects and planners facilitate such exchanges of knowledge among scientific experts, stakeholders and local inhabitants through visualization, by either letting participants draw or by mediation of the designer. 2 The act of drawing is seen by Catherine Dee 'less as a technique, and more forcefully as an experimental method'. 3 By extension, the ability of participants to draw and their level of access to the production of visualizations shape the influence of those participants on the outcomes of planning and design projects. Besides drawings, landscape architects and planners use various kinds of visual representations to facilitate the communication of design ideas among project participants. 4 These design representations are not considered as neutral communication devices. 5 Especially the conscious and unconscious use of increasingly accessible digital visualization technologies by spatial designers has become an important topic of scholarly debate. 6 For example, it is argued that digital technologies enable designers to think at higher levels of complexity and to achieve different solutions in terms of systems, form and materiality. 7 However, Karl Kullmann also notes the limits of some digital media for designing and representing landscape designs. Digital media, and the skills required to use them, may contribute to increase the distance between the producers and viewers of the image. Instead, 'loose-realism' techniques such as digital freeform collages and montages should aim to retain control over the medium while enjoying the benefits of its modern visual styles. 8 The nature of participatory processes not only consists of consensusdriven faci...
Cities worldwide are growing at unprecedented rates, compromising their surrounding landscapes, and consuming many scarce resources [...]
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