Public Urban Green Spaces Research Articles

Pollinators respond positively to urban green space enhancements using wild and ornamental flowers

Abstract Pollinator diversity and abundance are under direct threat from human activities. Despite societal dependence on pollinators for crop production, humankind continues to drive pollinator declines through agricultural intensification and urbanisation. Urban environments can provide refuge to some pollinators. There is a need, however, to understand how pollinator communities can be supported in these areas while also considering human needs. Public green spaces provide a promising avenue to target plant–pollinator conservation measures in an urban setting due to their large area, high abundance and low plant–pollinator biodiversity. We used a paired design to compare the plant community, pollinator community and plant–pollinator interactions of (i) public urban green spaces enhanced with wildflower meadows and pollinator‐friendly ornamental plantings to (ii) control unenhanced urban green spaces. The planting types within enhanced sites were also separately compared. Our results show that not only was the diversity of the overall pollinator community higher in enhanced than control sites, but also the complexity of some wild Hymenoptera and the abundance of Diptera pollinator groups. The negative impact of urbanisation on some pollinator groups was reduced in enhanced sites compared with control sites. Planting both pollinator‐friendly ornamental plants and wildflower meadows significantly increased the visits from Diptera and the diversity in the plant–pollinator community compared with wildflower plantings alone. Our results suggest that enhancing public spaces for pollinators has positive effects on key groups and can help mitigate the impacts of urbanisation. Non‐native ornamental plants can also play a role in enhancing green spaces for pollinators while maintaining their recreational functions. This supports a mixed‐planting approach for improving public green spaces in urban areas for both people and nature.

Navigating Public Urban (Green) Space – An Analysis of Ethnic “Other” Women’s Walking Activities in Denmark

Globally, walking is the most popular leisure time physical activity (LTPA) among adults. Yet, navigating public spaces might pose distinct challenges for ethnic “Other” women, whose bodies and veiling practices have come under scrutiny in Western societies. Based on an ethnographic study of a walking group with ethnic “Other” women living in a deprived area of a Danish city, this article explores how the women negotiated being physically active in urban (green) space. Drawing on Lefebvre’s spatial theory, we paid particular attention to the boundaries and norms that characterized the social space of the walking group. Contrary to other activities, walking in a group with other women appeared as an accessible form of LTPA during which participants could practice self-care and preserve “embodied respectability.” Our analysis emphasizes women’s agency in appropriating urban green spaces, whilst also revealing how age, (dis)ability and, particularly, gender and cultural norms regulate their leisure practices.

Public safety considerations constraint the conservation of large old trees and their crucial ecological heritage in urban green spaces

Large old trees in urban public green spaces deliver a diversity of values essential for human well-being, including biodiversity conservation. Yet, the conservation of large old trees bearing key wildlife microhabitats interferes with safety considerations. This intuitive notion, however, is backed by an insufficient and scattered body of evidence. Here, we empirically examined this process using data on 5974 trees across 510 sample plots, organized as quintuplets within 102 sample sites, including urban parks, cemeteries, recreational forests, and historic reserves in the urban agglomeration of Kraków, Poland. Our analyses demonstrate that trees situated in areas frequently visited by people, or those near walking paths, benches, or playgrounds, have elevated accident hazards and, therefore, necessitate intensive tree surgeries (pruning and logging) to remain harmless. Large old trees, which bear the most diverse microhabitats and pose greater risks when they collapse, are especially affected by these measures. Accordingly, we found that the co-occurrence of large trees with elevated accident hazards results in significant losses of dead and sloped trees, and trees with cavities, injuries, crown deadwood, fungal fruiting bodies, or epiphytes, particularly in parks and, to a lesser extent, in recreational forests. Apparently, some tree-related microhabitats, such as injuries, cavities, and microsoils, also emerge in risky spots after pruning. Our findings underscore that the conservation of large old trees and their ecological functions faces significant challenges due to safety considerations. To address conservation challenges and harmonize human coexistence with biodiversity, we recommend enhancing environmental awareness and reevaluating arboricultural and planning policies. This would involve establishing strategic and pocket reserves on city peripheries and interiors, allowing larger older trees to thrive and develop important microhabitats without compromising public safety. Otherwise, we risk losing many large old trees and/or their superior value for wildlife, which will regenerate over decades, if not centuries.

The distribution and abundance of woody invasive alien plants in small towns in Eastern Cape Province, South Africa

Invasive alien plants (IAPs) are rapidly increasing around the world, mainly due to land transformation, climate change, and urbanisation. Whilst urban areas are highly susceptible to invasion by IAPs, crucial information on the distribution and abundance of woody invaders in small towns is limited. Here, we determined the distribution and abundance of woody IAPs across different suburbs and land use types in 12 small towns in the Eastern Cape province of South Africa. We enumerated 38 427 individual woody IAPs, and their abundance and distribution varied across surveyed towns. Although species such as Melia azedarach, Pinus elliotti, Jacaranda mimosifolia, Eucalyptus camaldulensis, and Ligustrum lucidum were the most distributed, species density varied across towns. More than half of the woody IAPs were identified in affluent (56%) suburbs compared to the townships (23%), Central business district (CBD) (16%), and low-income housing neighbourhoods (5%). There were significant differences in woody IAPs distribution across different land use types, with more than half (54%) found in the residential areas compared to road verges (32%) and public urban green spaces (14%). Some socio-economic and environmental predictors such as town population, mean temperature, unemployment rate, and Gross domestic product (GDP) showed significant and positive correlations with woody IAPs species richness and density. Our findings suggest an uneven spatial distribution and diversity of woody IAPs across the different small towns, suburbs, and land use types in the region. It is recommended that small towns in South Africa need financial and human resources support to effectively manage IAPs.

ParkLIV – engaging non-users in green space management

ABSTRACT Everyone has the right to feel welcome, safe and be able to access public green spaces without fear, anxiety or stress. However, the term “accessibility” is primarily used in relation to physical accessibility, while social and cultural dimensions of accessibility to urban public green spaces remains underexplored. Methods and tools for universal design and management that also meets the needs of marginalised groups, are needed. This requires involvement of both users and potential users through participatory methods, building on individual needs and perspectives. In Sweden, traditionally marginalised groups and non-users are rarely engaged in the development of public urban green spaces. Local governments may have the will, but lack resources and appropriate methods in order to do so. Research has recently described a further engagement of users as an unleashed potential in relation to planning and management of urban green spaces. Based on the study of three test beds and the use of public green space governance and management theory, we developed a process model for user participation in green space maintenance with focus on involving marginalised groups and non-users. The model balances what is theoretical optimal with what is practically feasible within the daily work of a municipal organisation. We present an empirically tested process model that can form the basis for future maintenance of urban green spaces, with the use of limited resources.

Warsaw small and medium-sized public urban green spaces as a response to short-time leisure needs of local residents and passers-by

ABSTRACT The study investigates visitors’ activity patterns in small and medium-sized public urban green spaces (SAMPUGS) and the relationship between the green space features and their use through the field observation of 36 case areas in Warsaw districts – Śródmieście and Ursynów. They were analysed using the perceived sensory dimensions (PSDs) and the Environmental Assessment of Public Recreation Spaces (EAPRS) tool. The green spaces in Ursynów are greener and richer in species than those in Śródmieście, but they lack historical features. The most popular activities are: sitting on a bench, strolling, dog walking, chatting and eating/drinking. Sitting on a bench is encouraged by the presence of historical feature and view outside green space but not by the ‘green ground cover’ or high green coverage ratio. Strolling is promoted in the green spaces of the bigger size and with the developed path network, but also with presence of flowerbeds and those rich in species. Chatting is promoted by the presence of historical features but not by the presence of ‘green ground cover’ and richness in species. Eating/drinking is encouraged by the presence of many places to sit, higher PSD ‘culture’ score, especially in Śródmieście and higher PSD ‘space’ score, especially in Ursynów.

The present situation and the trend of development of urban public green space in the post-pandemic era

COVID-19 has become one of the most dangerous viruses in the world since 2019. After long-time debate and a large amount of experiments, quarantine and self-isolation were claimed as the main measures of prevention. However, the policy of forcing people to stay at home limited their access to outside of their homes while also lowering the intensity of their usual exercise. As a result, public green space has become more important than ever for hosting peoples outdoor activities. This paper aims to highlight emerging questions at COVID-19 and public green space. This paper aims to confirm that the existence of improvement trend of importance of public green space after COVID-19 period. And aims to make out a new kind of public space design model. It can be concluded that the rational construction of public green spaces is of great significance to improving the living environment of residents.

A New Strategy for Planning Urban Park Green Spaces by Considering Their Spatial Accessibility and Distributional Equity

Urban park green spaces (PGSs) are crucial social public resources that provide various ecological services and enhance human health and well-being. However, with the acceleration of urbanization, the accessibility and equity of urban PGS resources are increasingly threatened. This study aims to propose an integrated framework that considers accessibility and equity simultaneously to optimize the planning and layout of urban PGS within the high-speed ring road of Hefei City. This study first used an improved two-step floating catchment area (2SFCA) method to quantify the level of accessibility of urban PGS within the ring road. Then, with the use of Lorenz curves, Gini coefficients, and bivariate correlation coefficients, the equity characteristics of these PGSs were quantified and evaluated, followed by an analysis of their relationships to the accessibility levels. Based on this comprehensive evaluation, the particle swarm optimization (PSO) algorithm was employed to the areas with low accessibility and equity levels to propose targeted PGS optimization strategies. The results showed that the accessibility of PGS was unevenly distributed, exhibiting a clear spatial difference of “east–west clustering”. The number of subdistricts with good (52.24–94.78) and best (94.79–283.58) accessibility was four, which was less than one-tenth of the total number of subdistricts in the study area. At the subdistrict level, the Gini coefficients for the accessible area of all types of PGSs were substantially higher than the international warning line of 0.4, indicating a substantial inequity in the population’s access to PGS. The implemented PSO algorithm resulted in eight new parks being planned at the specific optimized locations. Based on the actual land use status of the selected sites, recommendations are provided for the planning and layout of PGS. This proposed framework offers valuable data and theoretical insights for urban public green space planning and design in similar regions.

Species Richness and Composition of Forest Birds in Urban Parks and Reserves of Buenos Aires City, Argentina.

Urbanization is among the main factors of ecosystem transformation and threats to global biodiversity. Urban green spaces provide multiple services, being important for biodiversity and human well-being. However, the relationship between green spaces and forest birds has been scarcely studied in the Global South. In this work, we used citizen science data (eBird) to assess the variation in the species richness and composition of forest birds in two types of public urban green spaces characterized by different vegetation composition and management: parks and reserves. In general, reserves had more native and unmanaged vegetation than parks. We selected parks and reserves located in the coastal area of the Metropolitan Area of Buenos Aires, Argentina. Sampling effort was considered as the number of checklists for each site. The database allowed information to be extracted from 12 sites and 33 species. The most common species were the Green-barred Woodpecker (Colaptes melanochloros), the Narrow-billed Woodcreeper (Lepidocolaptes angustirostris), and the White-crested Tyrannulet (Serpophaga subcristata). Bird species richness was higher in reserves than in parks and was positively related to sampling effort. The forest bird species composition varied according to the type of green area and sampling effort. Species composition showed a significant nestedness, with the least rich sites being a subset of species from the richest sites. Reserves and sites with the highest sampling effort concentrated all species. The results obtained show the importance of urban reserves in the conservation of forest birds.

New Urban Governance in Controlling Public Green Open Spaces in Indonesia

This study aims to describe how new urban governance controls public green open spaces in Indonesia. Cities in Indonesia experience an imbalance of public green open space that must be provided. There should be around 20% of the total land area for public green open space. The city of Jakarta still has around 0.07% of available public green open space. While the city of Surabaya is also still available around 16.31%. So that management is needed that must be immediately carried out by various parties including the government, stakeholders, and the community to jointly control public green open spaces provided in urban areas according to predetermined minimum requirements. This study uses a type of qualitative research with the help of Nvivo 12 Plus software to analyze data obtained from secondary data sources. The results of this study indicate that controlling public green open spaces in Indonesia still does not have strong coordination between actors. Multi-level government still often experiences overlapping authorities, unification of goals between stakeholders, the government, and the public who still have different interests.

A strategy for giving urban public green spaces a third dimension: A case study of Qasrodasht, Shiraz

With the increasing in urbanization and uncontrolled development of cities over the last decade, designing public urban green spaces as nature-based solutions has become imperative due to their positive health and economic impacts. The Qasrodasht neighborhood in Shiraz, Iran has suffered from haphazard construction and loss of public open space. This study demonstrates the potential for expanding and revitalizing urban public green spaces in Qasrodasht by proposing a framework for designing them in the vertical dimension. 25 experts in urban planning, design, and architecture were interviewed extensively. The interview questions were selected via literature review and SWOT analysis, with each interview lasting 20 min online. The data were analyzed and presented in a table. Ultimately, this study presents design alternatives, a framework for vertically-oriented public green space design, and policies and strategies for implementing such designs in Qasrodasht through expert interviews.

Perceptions of cultural ecosystem services provision by small public urban green spaces: perspectives from different cultural backgrounds

Perceptions of cultural ecosystem services provision by small public urban green spaces: perspectives from different cultural backgrounds

Soundscape diversity of different public green spaces in cities

Soundscape of urban public green space plays an important role in urban green space sightseeing experience, but it is not clear whether there are differences in soundscape diversity of different urban green space. This study investigated soundscape diversity of 30 urban green space samples, including urban park green space, roadside green space, square green space, campus green space and residential green space. The results showed that there are differences in soundscape diversity of urban different public green spaces. In campus green space, soundscape diversity and soundscape perceived affective quality are closely related, while in urban parks and roadside green space, soundscape diversity and soundscape perceived affective quality are not significantly related. The linear regression of soundscape diversity indices and overall quality evaluation of soundscape fit well in campus green space, square green space and residential green space. The R2 of these regression equations were 0.65, 0.74 and 0.63, respectively. This study provides potential ideas for the design and management of urban different public green spaces in the future.

Do We Need Different Urban Green Spaces Now? A Case Study of Preferences during Pandemics

The role of public urban green spaces (UGSs) in providing various ecosystem services, especially those related to the physical and mental health of city dwellers, has increased during the COVID-19 pandemic. While research has analyzed shifts in UGS visitation and changes in people’s attitudes, there remains a noticeable gap in our understanding of the necessary adaptations required within UGS environments. This paper presents the survey results of Vilnius city residents (Lithuania) conducted in the final days of the quarantine in 2021 and discusses the findings in the broader context of other studies. The survey is centered on preferences for UGS qualities clustered into four groups. The results provide empirical evidence that UGS users highly prioritize ergonomic and ecological characteristics related to comfort and naturalness. However, the preferences differ between those who live close to UGS and those who live further away. In contrast, aesthetic and social qualities are of relatively lesser significance for all. Similar preferences have been identified in international studies, underscoring the global nature of this phenomenon that urban planners must consider when designing or enhancing local UGS.

Seasonal variation in urban pollen resource use by north temperate European honeybees

AbstractUrban green infrastructure can provide important habitats for pollinators and support urban ecosystem services. Therefore, these areas must be managed to maximize biodiversity and density of pollinating insects. We used DNA metabarcoding to study honeybee pollen resource use over time and space in the city of Oslo, Norway, and to assess the role of green infrastructure as a resource for pollinators and the services they generate. Urban honeybees used diverse pollen resources throughout their active season. There was considerable seasonal turnover in pollen resource use that reflected flowering phenology. Non-native plants (including invasive species) were an important resource early in the season but were replaced by native plants later in the season. Hive location was not strongly correlated with resource use, likely indicating effective long-distance foraging in the fragmented urban landscape. However, flower visitation rates and floral resource density in public urban green spaces were coupled to pollen use. Honeybees collected pollen from a small number of preferred species but also visited other species, likely for nectar. To preserve pollinator services, urban planning should consider flower resource management, with particular focus on planting native species that can act as early season resources for bees. Public campaigns and other incentive mechanisms to promote the cultivation of native plants that are resources for pollinators and the protection of urban semi-natural habitats have the potential to enhance the value of green infrastructure to support urban pollinators and pollination services.

EVALUATING PUBLIC URBAN GREEN SPACES: A COMPOSITE GREEN SPACE INDEX FOR MEASURING ACCESSIBILITY AND SPATIAL QUALITY

Abstract. Greenspaces (GSs) available to the public for recreational, environmental, and aesthetic purposes are termed Public Urban Green Spaces (PUGS). Accessibility to PUGS is one of the main pre-requisite for their frequent use. With rising urbanization and inequitable distribution of GSs, a significant portion of the population remains inaccessible to the benefits provided by PUGS. Therefore, it is essential to have tools to evaluate these GSs. This study evaluates the accessibility and spatial quality of various hierarchies of PUGS using GIS-based analysis in Dehradun, India. Accessibility is assessed using network analysis, aesthetics is determined by the presence of bird population and waterbody, the surface index is determined based on NDVI thresholding, and affordability, and spaciousness are computed based on survey and GIS data. The indices are combined to form a composite green space index (CGSI) using analytical hierarchy process. CGSI shows that most of the PUGS in Dehradun have relatively poor accessibility and quality. As per World Health Organization (WHO) guidelines for providing a minimum of 9m2 of GS for each person, Dehradun lies way behind, providing 2.02m2/person. The lower hierarchy PUGS, notably totlots, which are crucial for young children’s physical, mental, and cognitive development, is quite limited. On the contrary, city parks are well distributed with moderate to good accessibility and quality. CGSI is a comprehensive index encompassing different characteristics of GSs and serves as a valuable tool for setting goals, prioritizing investments, identifying areas in need of improvement, and potential locations for future GS development.

Preferences and Perception Influencing Usage of Neighborhood Public Urban Green Spaces in Fast Urbanizing Indian City

In rapidly expanding Indian cities, the current provisions for public urban green spaces (PUGS) falls below the minimum standards recommended by the WHO, linked with the well-being of urban dwellers. The local authorities are struggling to fulfill the supply side gap, with a disparity in PUGS provisions. Currently, the provisions focus on fulfilling the prerequisites identified by the planning agencies and do not appropriately address the urban greenspace demands. However, effective planning has been emphasized as a way to respond to the diverse, competing and changing demands of PUGS, allowing the incorporation of the needs and preferences of urban dwellers in the planning and management of PUGS to help determine their multifunctionality, usefulness, and popularity. In response, this study attempts to capture the demands of urban dwellers through local social data for neighborhood PUGS of the fast-urbanizing Nagpur. We attempt to assist local authorities in better understanding the provisions for planning and managing PUGS that can fulfil the growing PUGS needs of urban dwellers. Via a social survey of users and residents, we capture visitations, usage, activities, motives of visits, and perceptions about neighborhood PUGS characteristics. The findings highlight the determinants that influence the usage and favored activities. Urban dwellers have a strong tendency to use neighborhood “parks and gardens” due to their convenient proximity, emphasizing how crucial their location is in shaping urban residents’ engagement with these spaces. The socio-demographics shape the preference, and the locals hold negative perceptions about size, vegetation, amenities, as well as maintenance. The identified determinants (access and availability), influencing factors (socio-demographic), and the barrier to usage (negative perceptions) need prioritized attention from the local authorities to accommodate the diverse and competing demands of different sub-groups of the urban dwellers.

From Conservation to Connection: Exploring the Role of Nativeness in Shaping People’s Relationships with Urban Trees

Deciding whether to plant native or non-native trees in public urban green spaces is becoming complex and conflicted, and decisions purely based on biotic nativeness are likely to be hamstrung as climate change and rising urban heat push many native species beyond their natural ranges. Importantly, tree selection considerations by urban planners and environmental managers will have to move beyond a primary focus on securing conservation and ecological outcomes, to elucidate and engage with a growing interest in the socio-cultural values and services of urban trees. Building on emerging theoretical perspectives, this place-based study explores the role that perceptions of nativeness have in shaping people’s relationships with native and non-native urban trees and landscapes in an Australian city. Nativeness was associated with a range of subjective meanings including cultural identity, political expression, nature connection, desirable and undesirable traits, and environmental and cultural compatibility. Our findings emphasise that the ways in which urban trees and green spaces are valued and experienced is likely mediated by people’s perceptions of nativeness and its importance relative to other attributes. To provision and sustain green spaces that meet the diverse needs and preferences of urban publics, planners and managers need to elucidate and incorporate the nuanced, place-based and multifaceted subjective meanings of nativeness into urban greening decision-making and practice.

Impact of COVID-19 pandemic on cultural ecosystem services from urban green spaces: a case from English Bazar Urban Agglomeration, Eastern India.

Urban green space (UGS) provides multiple cultural ecosystem services (CES) and enhances people's physical and mental well-being. The importance of UGS was more critical during crisis periods such as the COVID-19 pandemic. Recently, UGS has been under severe threats due to rapid urban expansion and climate change. Particularly, the cities in developing countries have experienced a dramatic loss of green spaces due to land use and land cover (LULC)change. This study aims to assess the impact of the COVID-19 pandemic on CES perception obtained from two public UGS, i.e., SubhankarSishuUddyan (SSU) and Bandh Road (BR) in English Bazar Urban Agglomeration(EBUA), Eastern India. A survey was performed to assess the valuation of CES, CES obtained from UGS, and the use of CES difference during partial (unlock phases) and after lockdown periods. The non-parametric tests were carried out to understand the significant differences between CES and UGS perceived by the respondents. Explanatory factor analysis was also performed to find the association among CES for each UGS. The results reported substantial variations of UGS useduring partial and after lockdown periods. During the after-lockdown period, the UGS mainly were used for social relations (51%), spending time with relatives and friends (25%), spending time with children (11%) in SSU and walking (25%), spending time with relatives and friends (21%), and physical activities (17%) in BR. During the partial lockdown period, a significant difference between SSU and BR was recorded from social relations and health value among all CES. After the full lockdown period, a significant difference was observed in recreation, social relations, health, and aesthetic value. The frequency and duration of UGS use during partial lockdown periods substantially increased. About 12% of the total visitor visited UGS daily after the lockdown, whereas it was 4% during the partial lockdown. The study's findings will assist urban planners and policymakers in understanding the need for UGS to promote the well-being of the citizens.

Characterization and Mapping of Public and Private Green Areas in the Municipality of Forlì (NE Italy) Using High-Resolution Images

Urban Green Spaces (UGS) contribute to the sustainable development of the urban ecosystem, positively impacting quality of life and providing ecosystem services and social benefits to inhabitants. For urban planning, mapping and quantification of UGS become crucial. So far, the contribution of private green spaces to ecosystem services in urban areas has yet to be studied. At the same time, in many Italian cities, they represent a considerable part of the urban green cover. This study utilises a methodological approach and provides insights into the contribution of urban public and private green spaces by the consideration of a case study area in Northeast Italy. To achieve this goal, the main steps were: (i) NDVI extraction from very high-resolution (20 cm) orthophotos, (ii) classification of property status and (iii) analysis of the degree of the greenness of land cover units. From our results, the total amount of the green spaces is 5.70 km2, of which 72.1% (4.11 km2) is private, and 28.9% (1.59 km2) is public. As for the land cover, three NDVI classes were identified, highlighting different degrees of homogeneity in NDVI reflectance response within each urban land cover unit. These results will support the planning of new green areas in the post-epidemic National Recovery and Resilience Plan.