scholarly journals Useful wasteland - the potential of undeveloped land in modification of urban green infrastructure based on the city of Poznań

2018 ◽  
Vol 22 (4) ◽  
pp. 225-230 ◽  
Author(s):  
Anna Gałecka-Drozda ◽  
Elżbieta Raszeja

Abstract Numerous barren land areas are found within administrative boundaries of cities. They include both former farmland located at the outskirts of cities, as well as vacant plots, postindustrial plots or former railway infrastructure plots. Barren plots are integral elements of the urban landscape and contemporary scientific concepts indicate their important role in the functioning of urban ecosystems. Abandoned land provides a potential for the development of green infrastructure and further development of recreation areas. At the same time some abandoned plots are informally adapted by local residents to suit their needs, transforming them into community gardens and recreation areas. This paper presents results of studies conducted by the authors in selected derelict areas in the city of Poznań. Analyses were conducted on their type, origin, size and location within the city. Observations were also recorded on the methods to adapt abandoned land by local communities.

Author(s):  
Md. Shahariar Jaman ◽  
Ishrat Jahan ◽  
Mahbuba Jamil ◽  
Md. Golam Jilani Helal ◽  
Md. Shariful Islam ◽  
...  

Plants are an important feature of urban ecosystems which provide numerous environmental and ecosystem benefits such as defenses against noise and air pollution and conservation of biodiversity. The aim of this study was to investigate the structure and composition of urban vegetation in different urban habitats like roadsides, parks, gardens and playgrounds in Dhaka South City area. Stratified random sampling method was used in this study. A total of 221 plant species belonging to 63 families were identified and recorded. Among all plant species Swietenia macrophylla, Polyalthia longifolia, Cocos nucifera, Samanea saman, and Artocarpus heterophyllus are recorded as the most dominant. Most of the tree and shrub population were found between 6-9 m and 1-3m height classes whereas most of tree and shrub population were found in between 10-15cm dbh classes. Highest IVI was found for Swietenia macrophylla (193.22%) followed by Polyalthia longifolia (184.59%), Samanea saman (138.37%), Cocos nucifera (79.9%) and Delonix regia (68.27%) respectively. Average frequency, density, dbh and basal area were found 46.82%, 138.28 tree ha-1, 458.59 cm ha-1 and 12.33 m2 ha-1 respectively. Findings of this study reveals that structural attributes of plant represent quite young and still developing vegetation. This research will help to plan for future green infrastructure which will maintain ecosystem function, therefore, providing longer term benefits for the city dwellers.


Author(s):  
Jake Robinson ◽  
Harry Watkins ◽  
Ioana Man ◽  
Craig Liddicoat ◽  
Ross Cameron ◽  
...  

Background: Microbiome-Inspired Green Infrastructure (MIGI) was recently proposed as an integrative system to promote healthy urban ecosystems, through multidisciplinary design. Specifically, MIGI is defined as nature-centric infrastructure restored and/or designed and managed to enhance health-promoting interactions between humans and environmental microbiomes, whilst sustaining microbially-mediated ecosystem functionality and resilience. MIGI also aims to stimulate a research agenda that focuses on considerations for the importance of urban environmental microbiomes. Objectives: In this paper we provide details of what MIGI entails from a bioscience and biodesign perspective, highlighting the potential dual benefits for human and ecosystem health. We present ‘what is known’ about the relationship between urban microbiomes, green infrastructure and environmental factors that may affect urban ecosystem health (ecosystem functionality and resilience as well as human health). We discuss how to start operationalising the MIGI concept based on current available knowledge, and present a horizon scan of emerging and future considerations in research and practice. We conclude by highlighting challenges to the implementation of MIGI and propose a series of workshops to discuss multi-stakeholder needs and opportunities. Discussion: This article will enable urban landscape managers to incorporate initial considerations for the microbiome in their development projects to promote human and ecosystem health. However, overcoming the challenges to operationalising MIGI will be essential to furthering its practical development. Although the research is in its infancy, there is considerable potential for MIGI to help deliver sustainable urban development driven by considerations for reciprocal relations between humans and the foundations of our ecosystems –– the microorganisms.


2021 ◽  
Vol 40 (1) ◽  
pp. 1219-1243
Author(s):  
Lovepreet Singh ◽  
He Huang ◽  
Sanandam Bordoloi ◽  
Ankit Garg ◽  
Mingjie Jiang

Images of green infrastructure (gardens, green corridor, green roofs and grasslands) large area can be captured and processed to provide spatial and temporal variation in colours of plant leaves. This may indicate average variation in plant growth over large urban landscape (community gardens, green corridor etc). Towards this direction, this short technical note explores development of a simple automated machine learning program that can accurately segregate colors from plant leaves. In this newly developed program, a machine learning algorithm has been modified and adapted to give the proportion of different colors present in a leaf. Python script is developed for an image processing. For validation, experiments are conducted in green house to grow Axonopus compressus. Script first extracts different RGB (Red Green and Blue) colors present in the leaf using the K-means clustering algorithm. Appropriate centroids required for the clusters of leaf colors are formed by the K-means algorithm. The new program provides saves computation time and gives output in form of different colors proportion as a CSV (Comma-Separated Values) file. This study is the first step towards the demonstration of using automated programs for the segregation of colors from the leaf in order to access the growth of the plant in an urban landscape.


Author(s):  
Indra Lesmana ◽  
Petrus Rudi Kasimun

The existence of an open space, is truly important to nowadays urban society. Because basically, community of a city has been bounded to open spaces around that city. The need of a thirdplace in a city, now, is way more than just a regular, it became a lifestyle. This thirdplace phenomena give impacts to the usage of outdoor spaces in the city which used to be indoor spaces, now became outdoor ones (public areas). What used to be a mall and a café that are favorites, now turning into outdoor spaces such as parks, streets (pedestrians), public spaces for children, recreation areas, and so on. Jakarta, especially in Palmerah, open spaces are very rarely  found. In the other side, Palmerah used to be known for its batik, but now it’s already all  gone. Batik as the main program that supports this thirdplace is expected to be able to accommodate the work or activities of local residents. Hold on to Ray Oldenburg’s theory about the third place criteria, batik in this design is intended as a medium for local residents to meet, greet, and interact. With this, batik media is able to accommodate the need of a thirdplace itself. However  still, open spaces in this design has the largest percentage as public spaces for local residents to do some activities and interactions. Batik phases are realized in creating existing spaces; starting from seeing, then feeling, and finally doing. Batik produced by locals can be resold and later become their income. Plots of spaces, materials, wall tears, and batik carvings are also highlighted in this building to create characteristic of this Ambatik building. With Ambatik, all ages, all genders, all types of ethnicity, culture, and race, can be united without any difference.AbstrakKeberadaan ruang luar sangatlah penting bagi masyarakat kota saat ini. Pada dasarnya, masyarakat memiliki keterikatan pada ruang-ruang terbuka kota. Sekarang, Kebutuhan tempat ketiga di dalam suatu kota sudah lebih dari sekedar kebutuhan biasa, tetapi sudah menjadi gaya hidup. Fenomena tempat ketiga berdampak pada penggunaan ruang luar yang pada awalnya dari penggunaan ruang dalam, mulai beralih ke ruang luar (ruang publik). Yang semula mall dan kafe menjadi ruang favorit, sekarang beralih ke ruang luar publik seperti taman, jalan (pedestrian), RPTRA, tempat rekreasi dan sebagainya. Di Jakarta, tepatnya di Palmerah, ruang-ruang terbuka bagi warga sekitar sangatlah jarang ditemui. Di satu sisi, Palmerah yang dalam sejarah dikenal oleh batiknya, sekarang sudah menghilang. Ambatik hadir untuk menunjang tempat ketiga di kawasan Palmerah, yang diharapkan mampu mewadahi kegiatan ataupun aktivitas dari warga sekitar, sekaligus menghidupkan kembali identitas batik di Palmerah. Dengan teori Ray Oldenburg mengenai kriteria sebuah tempat ketiga, batik dalam rancangan ini dimaksudkan sebagai media bagi warga sekitar untuk bertemu, bersapa dan berinteraksi. Ruang-ruang terbuka dalam rancangan ini juga berguna sebagai ruang publik bagi warga sekitar untuk beraktivitas, berinteraksi untuk melakukan kegiatan seni dan budaya. Fase-fase batik juga diwujudkan dalam menciptakan ruang-ruang yang ada, mulai dari melihat, kemudian merasakan, dan melakukan. Dengan hadirnya Ambatik, diharap mampu meningkatkan relasi antar warga, pemahaman baru tentang batik, dan kesadaran akan tradisi. 


Author(s):  
Yolanda María Tapia ◽  
Adolfo Vigil-de-Insausti ◽  
María Dolores Montaño

Yolanda Tapia¹, Adolfo Vigil de Insausti¹, María Dolores Montaño ² ¹ Escuela Técnica Superior de Arquitectura de Valencia, UPV. Camino de Vera, s/n. 46022 Valencia, ²Pontificia Universidad Católica del Ecuador, PUCE. Av. 12 de Octubre 1076, Vicente Ramón Roca, Quito, Ecuador E-mail: [email protected], [email protected], [email protected] Keywords: Tulcán, Ecuador, urban, landscape, history Conference topics and scale: The Urban Form, “City and territory in the globalization age”   Tulcán, located north in Ecuador is the capital of the province of Carchi. It is a city especially commercial and agricultural whose urban morphology responds to historical, environmental and administrative circumstances, that is how, since 1851, the date on which the “cantonization” takes place begins the formation of the capital city with an urban structure formed in checkerboard that welcomes the traditional nucleus of the typical city of the ecuatorian highlands. With the development of this city, isolated neighborhoods are born out of the original urban fabric that expand in the territory, following the main road connections, eventually to fill the internal space with a morphology of contrasts, as each neighborhood or new occupations are structured individually without thinking of a city of integral formation. The longitudinal growth of the city was marked from its beginning by the river Bobo to the north-west and the river Tajamar to the south-east that keep the city within natural limits, which also provide certain environmental and landscape benefits, however in the the last few decades the city has had a significant growth that threatens an unattended and constantly expanding periphery to these environmental resources. We are facing a heterogeneous city, with problems and possibilities and attending to the idea that the city is an unfinished work, integral and sustainable urban regeneration is the basis for a reordering and a new urban approach. It is therefore proposed to study three strategic lines: the existing city, its internal circuits of connection and the adjacent nature. Establishing initial uses in the city, to occupy the predominant urban void and thus to activate the pubic space. Restructure mobility, which will strengthen the use of new peripheral road infrastructures to reduce motorized circuits in the interior, thus promoting the use of bicycles and the creation of pedestrian routes. Finally, environmental resources will again have the value of landscape and ecological wealth producing around the city a green infrastructure that contains growth and is the link of this with the countryside. References Beery, B. (1975) ‘Consecuencias humanas de la urbanización’, Madrid: Pirámide Hernández, A. (2001) ‘La ciudad estructurada’, en Boletín CF+S 15 Calidad de vida urbana: variedad, cohesión y medio ambiente. (http://habitat.aq.upm.es/boletin/n15/aaher.html) Huertas Nadal, D. (2012) ‘I making Heterotopías, laboratorio de estrategias urbanas’, Vitoria: Universidad Francisco Vitoria Lopez de Lucio, R. (2007) ‘Construir ciudad en la periferia’, Madrid: ETS Arquitectura (UPM) Urbanística y ordenación del territorio Solá-Morales, M. (1997) ‘Las formas del crecimiento urbano’, Barcelona:Universitat Politécnica de Catalunya


ZARCH ◽  
2020 ◽  
pp. 176-187
Author(s):  
Rocío Santo-Tomas Muro ◽  
Eva J. Rodríguez Romero

This paper presents an exploration of the thresholds of the city, embodying the concept of Urban Green Infrastructure. In particular, it is a journey through the urban fringe of Madrid, where these green infrastructures, due to their form and history, achieve the sense of urban threshold and act as identity generators of the city. We examine the concept of peri-urban landscape in relation to nowadays challenges of sustainable development, as well as the benefits of Urban Green Infrastructures in the contour of the city. We then take a brief tour though the peripheral landscape of the city of Madrid, where we analyse metropolitan parks and historical green areas that comply its proximity image. After identifying the green infrastructures acting as thresholds in the city of Madrid, we focus on the south-east diagonal of the capital in order to reaffirm its importance in the construction of the image and identity of the city. We defend the importance of Urban Green Infrastructure to and from the city, suggesting the necessity of a supra-municipal planning tool to take change of the peri-urban landscape, usually perceived as subsidiary, to deem the proximity visions of the city as relevant for its design.


2013 ◽  
Vol 41 (4) ◽  
pp. 570-589 ◽  
Author(s):  
Diana K. Ter-Ghazaryan

In the years since the collapse of the Soviet Union, the landscape of Armenia's capital has transformed tremendously. Promoting a new vision for the city, Armenia's political elites have imbued the urban landscape of Yerevan with narratives of modernization, progress and a renewed sense of nationalism. While this new vision is noticeable throughout Yerevan's landscape, it is most apparent in three places in the center of Yerevan - Opera Square, Northern Avenue and Republic Square. These three prominent places represent the vision that the Armenian elites have for the city of Yerevan, while at the same time serving as backdrops for the expression of a critical voice regarding the changing urban landscape from the local residents. These three places are compelling representations of the tensions and struggles that are present in contemporary Armenian society. In this article, I examine the symbols and narratives that Armenia's elites produce and promote in and via these places, and consider the complicated set of reactions from residents that have formed in response.


2020 ◽  
Vol 23 (2) ◽  
pp. 87-95
Author(s):  
Nilgül Karadeniz ◽  
Esra Şenoz Orsan ◽  
Rüveyda Akman Taskin ◽  
Zekiye Cetinkaya

AbstractThe earth is rapidly urbanizing. One of the most effective means of dealing with the emergency caused by rapid urbanization is green infrastructure now. Ankara as a metropolitan capital city is also rapidly losing its urban-rural integrity due to rapid urbanization. Although different spatial plans have been made since the declaration of the Republic, the city continued oil-stain expansion and the green area system could not be protected. The Imrahor Valley, which is of ecologically vital importance in the urban-rural integrity, is one of the valuable areas under threat. The valley is an ecotone between the rural and urban ecosystems, southeast of Ankara city center. The valley has come to the point of losing its natural and rural character, especially with the urban transformation practices on the valley floor, slopes and surrounding areas. In this context, the ecological processes to which the Imrahor Valley is connected and dependent and human interventions in these processes are examined in three layers at different levels initially: the province, the city containing the central districts and the basin containing Lake Mogan-Eymir Lake-Imrahor Valley. Then, we focus on the transformation of the Imrahor Valley, one of the most important ecological components of the metropolitan city of Ankara, between 2003–2020. All transformational interventions in the Imrahor Valley affect all natural processes of the Valley irreversibly. It is necessary to re-read and interpret the Imrahor Valley landscape within the framework of the green infrastructure approach in all spatial planning studies and plan changes to be made regarding the metropolitan city.


2021 ◽  
Vol 10 (5) ◽  
pp. 350
Author(s):  
Jan Kopp ◽  
Jindřich Frajer ◽  
Marie Novotná ◽  
Jiří Preis ◽  
Martin Dolejš

Standardized delimiting of local climate zones (LCZ) will be better applicable to the urban adaptation to climate change when the ecohydrological properties of LCZ units are known. Therefore, the properties of LCZ units based on the methodology of ecohydrological zoning of the urban landscape, which was created in GIS as a basis for planning blue-green infrastructure of cities in the Czech Republic, are presented in the paper. The goal of this study is to compare approaches and results of our own ecohydrological zonation and standardized LCZ delimiting in the city of Pilsen. Both methodological approaches differ in input data, resolution details and parameters used. The results showed that the areas of the individual LCZ classes show different levels of ecohydrological qualities. Internal heterogeneity of LCZ classes demonstrated by variance of ecohydrological parameters’ values can be partly explained by different techniques and data sources for delimitation of both zonations, but by different sets of delimitation criteria. The discussion is held on the importance of terrain slope for supplementing the LCZ classification. A case study can be a stimulus for further development of holistic urban zoning methodologies that would take into account both climatological and ecohydrological conditions.


Purpose. Justification of the introduction of sustainable plant components into the green infrastructure of the urban environment in the context of nature-oriented solutions (on the example of Slobodsky district Kharkiv city). Methods. For the development of inventory maps of open urban landscapes of the Slobodsky district Kharkiv city, occupied by lawns and grass stands of the lawn type, the ArcGIS software product was used and methods of traditional economic calculations. Results. The paper presents a scientific rationale for the introduction of an alternative type of lawn - juniper into the green infrastructure of the city. Its creation is proposed with the help of horizontal juniper cultivars (Juniperus horizontalis), in particular the 'Prince of Wales' cultivar. This plastic plant, resistant to drought, high and low temperatures, has a high aesthetic expressiveness, and forms new standards for urban landscape design. On the basis of the inventory of lawns and grass stands of the lawn type in the Slobodsky district of Kharkiv, the area of lawns that are in an unsatisfactory condition (36478 m2) was determined, and which are proposed to be reconstructed using the above cultivar. Reconstruction of 36478 m2 of grass stand area by creating juniper lawns and their maintenance will cost UAH 802,516 annually for the local budget, while the use of a traditional roll lawn will cost UAH 8,244,028 annually, that is, approximately UAH 7,500,000 more. Over a full cycle, that is, over 30 years, the savings will amount to UAH 225 million. The use of planting material grown at the city's public utilities, which are engaged in landscaping, will further significantly reduce the cost of creating juniper lawns. Conclusions. Green infrastructure has an effective set of tools for the implementation of effective nature- based solutions for environmental management. The incorporation of the 'Prince of Wales' horizontal juniper cultivar into green infrastructure will help ensure urban sustainability and renew standards for sustainable urban landscape design. The increase in the area of urban open landscapes under the juniper lawn allows not only to effectively enhance the ecological and aesthetic functions of the green infrastructure of the city, but also to significantly save local budget funds.


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