key: cord-0978541-zikhxvbv
authors: Noszczyk, Tomasz; Gorzelany, Julia; Kukulska-Kozieł, Anita; Hernik, Józef
title: The impact of the COVID-19 pandemic on the importance of urban green spaces to the public
date: 2021-12-07
journal: Land use policy
DOI: 10.1016/j.landusepol.2021.105925
sha: 667561249f9c3e2257a147875491a0454c61beaf
doc_id: 978541
cord_uid: zikhxvbv

Green spaces provide people with countless intangible benefits, particularly important during crises. Restrictions imposed in many countries due to the COVID-19 pandemic forced people to maintain social distance, limit travels, and even refrain from visiting green spaces and stay at home at a certain point. The survey in one of the largest cities in Poland, Kraków, was intended to help understand the impact of the pandemic on the importance of urban green spaces to the public. The study focused on the first three stages of the pandemic in Poland, from March to November 2020. Nine weeks of the survey yielded over 1,250 responses. Responses to spatial questions were analysed with GIS tools and geoprocessing algorithms. The number of visitors to green spaces during the pandemic fell to 78.9% of the population, which is down 13.1% compared to before the pandemic. At the same time, the percentage of people refraining from the visits fell with each phase of the crisis. According to the study, residents believed green spaces to be important for their mental and physical health. Over 75% of the participants considered visits to green spaces as having a very big or big impact on stress level reduction. The work provides empirical proof of the importance of green spaces to residents, particularly during a crisis. The results can affect urban spatial policies and management of green spaces and can potentially be applied in other cities.

The new form of coronavirus (SARS-CoV-2) emerged in December 2019, in the Wuhan province of China, which causes coronavirus disease 2019 . It was declared an international public health emergency on 11 March 2020 by the World Health Organization (WHO, 2020) . Since then, the virus has been spreading globally and caused an increasing number of deaths worldwide (Angiello, 2020 . In many parts of the world, concerns about the COVID-19 pandemic and city quarantine policy have led to a general decline in residents' physical and mental health due to insufficient social interaction (Doyle et al., 2021 , Kavan, 2021 , Xie et al., 2020a , White et al., 2020 . The problems of the environmental and economic impact of COVID-19 on human activities and the environment call for a further investigation of this topic (Chernysh and Roubik, 2020) . In an attempt to curb the COVID-19 pandemic, states have implemented various social restrictions. These measures varied among countries, but the most common ones included border and school closures, encouragement of teleworking, social distancing, and restrictions on mobility, including lockdowns (Karnon, 2020 , Wilder-Smith and Freedman, 2020 , Pouso et al., 2021 .

To prevent the spread of COVID-19, some types of public spaces, including urban green J o u r n a l P r e -p r o o f spaces, have been shut down (Benzell et al., 2020) . Therefore, social, economic, and health consequences are inevitable (Mofijur et al., 2021 , Douglas et al., 2020 .

On 11 March 2020, the World Health Organization (WHO) upgraded the status of the COVID-19 situation from epidemic to pandemic. The Polish Minister of Health reacted to this decision by imposing a state of epidemic emergency on 14 March 2020 due to SARS-CoV-2 infections (The Minister of Health, 2020). Then, on 31 March 2020, specific restrictions and regulations were enforced due to the state of epidemic (Regulation, 2020b) . One of the measures was a mobility restriction. It was an unprecedented lockdown that was not imposed even during the First or Second World Wars or in the communist era. The government decided to close down public administration, schools, universities, shops (apart from grocery stores and pharmacies), churches, and state borders. Even the ongoing presidential campaign was brought to a halt, with candidates virtually ceasing promotional activities.

As of 1 April 2020, the public was barred from public beaches and green sites (Regulation, 2020a) . The ban involved parks, greens, promenades, embankments, botanic and zoological gardens, or special activity gardens for children and youth. These areas were believed to be social hubs with an increased chance of infection.. Since 16 April, mouth and nose covering had been compulsory on the streets. On 20 April, some safety regulations changed. The lifting of the restrictions has been divided into four stages. The first limited restrictions (stage 1) were implemented on 20 April 2020 from which point forests, parks, and green squares could be used for recreation. The fourth stage of restriction loosening from 30

May 2020 annulled the obligation to cover the nose and mouth in open spaces.

Additionally, open-space gyms, playgrounds, and small forest infrastructure could be used again (Regulation, 2020c) . Despite strict controls and the reintroduction of the mouth and nose covering in October, green sites were not closed again (Regulation, 2020d). The authors divided the period of the pandemic in Poland into three phases depending on government actions: phase I (March to May 2020), phase II (June to August 2020), and phase III (September to November 2020).

Due to increasing urbanization, the distribution of human settlements is changing, leading to a rapid decline of vegetation cover in cities and towns (Jayasinghe et al., 2021) .

Urbanization tends to decrease the proportion of land that is dedicated to public green spaces.

As the focal point of the urban natural ecosystem, urban green space is the primary source of the service functions of natural ecosystems for urban residents. Therefore, it has become a key J o u r n a l P r e -p r o o f measure of a city's development, quality of life, and sustainable development capabilities (Zhu and Xu, 2021) .

While the world is still struggling with the pandemic, there has been a lifestyle change in many countries and communities, which may have relatively longer socio-psychological and behavioural implications (Shaw et al., 2020) . Mental and physical health problems have become one of the significant challenges faced by the global population (Jia et al., 2021) . A growing number of studies suggests beneficial health effects of contact with urban green spaces (Engemann et al., 2019 , van den Berg et al., 2015 , Gascon et al., 2015 , Qin et al., 2021 , Kabisch et al., 2021 , Gao et al., 2020 . Economically disadvantaged communities in neighbourhoods with poor access to green spaces are known to be burdened with health issues more, leading to intergenerational well-being problems (Sharifi et al., 2021) . Researchers have proven that urban green spaces may improve human health and wellbeing and are meeting spaces for various socioeconomic classes, reducing segregation and multiplying opportunities for the psychological restoration of residents (Liotta et al., 2020 , Aerts et al., 2021 , Spencer et al., 2020 , Bonilla-Bedoya et al., 2020 . Living close to highquality urban green spaces is associated with positive impacts on health, both physical and mental (Europe, 2016) .

Urban research related to previous pandemics is mainly focused on issues such as inequalities that make poor and marginalised groups more vulnerable to pandemics (Wade, 2020). With many indoor recreational spaces closed due to COVID-19 restrictions, the role of public green spaces in promoting population health is amplified (Geary et al., 2021) and redefined.

According to the literature review, new research continues to emerge on the use of urban green spaces, also in the pandemic (Felappi et al., 2020 , Sharifi and Khavarian-Garmsir, 2020 , Grzyb et al., 2021 , Ciupa and Suligowski, 2021 . Nevertheless, to the best of the authors' knowledge, the pandemic's impact on the physical and mental needs of residents are rarely tackled. What is more, few researchers conduct surveys among urban residents who are directly affected by the situation. The present paper is our response to the existing research gap to address the issue with a survey study. First, it analyses the social aspect of intangible benefits of visits to urban green spaces. Second, we identify and map urban green spaces that the residents visited the most during mobility restrictions. Therefore, the purpose of the paper is to determine whether visits to green spaces by residents of Kraków help meet their intangible needs (mental and physical) exposed during the COVID-19 pandemic. The J o u r n a l P r e -p r o o f objective was to determine the reasons residents of Kraków visited or did not visit green spaces during the pandemic and to identify the most popular places. To this end, the authors posed the following research questions:

1. Has the pandemic affected how people perceive urban green spaces? 2. Has the importance to and for the public of the use of urban green spaces changed for residents of Kraków?

3. Do residents of Kraków believe that visits to urban green spaces during the COVID-19 pandemic affect their mental and physical health? 4. Which urban green spaces were the most visited by residents of Kraków during the pandemic?

Note the versatility of the study. The original survey questionnaire can be applied to cities worldwide because the COVID-19 pandemic is a global issue, and green areas are universally important. Hence, the present research can contribute to social and spatial comparative analyses in a broader international context. What is more, opinions of urban communities can help decision-makers and building developers better understand the relevance and universality of urban green spaces for satisfying human needs. They can further inspire rational planning of residential areas. Our results have been verified against the opinions of the largest building developers in Poland regarding changes in residential development planning brought by the pandemic. According to developers, they strive to provide residents with access to recreational areas and common green spaces (Infor, 2021) .

For the purpose of the paper, 'urban green spaces' are larger green areas that provide various social and recreational functions (such as parks, playgrounds or greenways) in accordance with national regulations.

The present research was conducted in three stages as specified below ( 

The study area was the city of Kraków, a city in southern Poland ( Kraków is an interesting place to investigate for several reasons. The first one is that, according to Telega et al. (2021) , it combines the historical developments of three towns, Kraków's Old Town (established in 1257), Kazimierz (14 th century), and Podgórze (18 th ) century). The other reasons is its situation on the Vistula, which significantly affects its land cover (Kukulska-Koziel et al., 2019, Kwartnik-Pruc and Trembecka, 2021) . Of importance is its ring-and-wedge layout with a green belt encompassing the Old Town sited in place of demolished town walls and green wedges providing connectivity between its environment and suburban green areas (forests around the city).

Urban green spaces are an important part of the Kraków's spatial system (Kwartnik-Pruc and Trembecka, 2021) . Parks, green squares, embankments, and other green spaces are important elements of the landscape in Kraków and affect its identity (Kukulska-Koziel et al., 2019) . The spaces managed by Kraków's Municipal Green Administration covers over 19 km 2 , which is 6% of the total city area. Forests are the largest part of the urban green spaces.

According to Kwartnik-Pruc and Trembacka (2021) , forests in Polish cities are normal. They complement the green fabric of the city. Street greenery, parks, and green squares also constitute a significant part of the urban green spaces. They are also popular venues for physical activity in the city.

The authors designed and conducted an online survey to collect data from residents of Kraków who are the users of urban green spaces. It was impossible to carry out a traditional paper-and-pencil (PAP) survey due to the COVID-19 pandemic and restrictions such as official mobility and assembly bans. Moreover, online surveys have become a broadly employed method for quick and precise collection of responses from a relatively large population (Davidov and Depner, 2011) . Online surveys are often used in interdisciplinary research on socioeconomic and, generally, cultural growth (Bernal et al., 2019 , Chisika et al., 2020 . The popularity of online tools is mostly due to their availability, cost-efficiency, multimedia capabilities, and versatility (Barrios et al., 2011) . Data collection online can be faster, global, and cheaper (Krol and Hernik, 2020) . It is why online surveys gradually replace traditional PAP surveys (Davidov and Depner, 2011) .

The survey questionnaire for the study was designed in November 2020 and revised by various experts in social sciences, engineering and technology, and natural sciences, including a statistician. The anonymous survey was available for two months, from 4

December 2020 to 4 February 2021 and took about five minutes to fill in.

The questionnaire was divided into two parts with nine single or multiple answer questions. The first part included two questions about demographic data, the age interval and the district of Kraków where the respondent lived. The authors did not ask about sex for two reasons: (1) gender dimension (Magliozzi et al., 2016) and (2) promotion of gender equality (responses were treated equally regardless of the sex). The other part of the questionnaire consisted of seven questions about reasons for visiting or not visiting urban green spaces during the COVID-19 pandemic, most often visited green spaces, and how visits to green spaces helped meet respondents' intangible needs (mental and physical) exposed during the COVID-19 pandemic.

The survey did not collect any data to identify the respondents, such as telephone numbers, e-mail addresses, or IP numbers of their devices to improve anonymity. The survey was broadly promoted to ensure as large as possible a sample and encourage potential respondents. Information about the survey was disseminated among residents of Kraków on social media (such as Facebook, Instagram, or LinkedIn) and among councillors of district councils. Heads of each of the 18 districts of Kraków and heads of green space committees in each district were sent official letters to this end. They were asked to advocate the survey among residents and share it on district social media profiles and official district websites.

The authors addressed a similar request to the Kraków's Municipal Green Administration as the body responsible for managing urban green spaces. Moreover, the authors used their private channels and encouraged residents of Kraków to complete the survey.

The collected data were intended to provide the maximum amount of useful information with the minimum number of questions to take up to five minutes to complete the questionnaire. The questions involved such matters as:

i.

Whether the respondent visited urban green spaces before and during the COVID-19 pandemic (to identify preferences);

ii. The main reasons for visiting or not visiting green spaces both before and during the pandemic (to understand what people believed to be important or unimportant in this domain);

iii. To determine the degree to which visits to green spaces during the COVID-19

pandemic affected selected aspects of well-being (to identify potential preferences); iv.

Green spaces most often visited in the COVID-19 pandemic (to determine the most popular green spaces);

v. The district of residence (for spatial visualisation of results).

The study involved an analysis of survey data. The data from the responses were 

The analytical methods for spatial data on urban green spaces and methods for analysing spatial survey results used spatial data and GIS software, namely QGIS (ver. 3.14, GNU-GPL licence). Today, spatial relationships are most often identified using spatial information (Ferreira and Delazari, 2019) . Also, GIS and big data technologies have played an important role in many aspects of the fight against COVID-19, as indicated by Zhou et al. (2020) . Data processing, analysis, and visualisation for the paper employed geoprocessing algorithms. They included the Cartesian product, spatial data matrix, aggregation, relational 

Respondents provided a total of 1,251 responses over nine weeks the survey was conducted online (4 December 2020 to 4 February 2021). Almost 38% of the respondents were 18-24 years old, over 42% were 25-40, 15.9% were 41-59, 1.6% were 60-65, and 1.9%

were older than 66. The smaller share of respondents older than 60 can be accounted for by their preference for PAP surveys or in-depth interviews (Krol and Hernik, 2020) . A pilot survey by Król and Hernik (2020) demonstrated that younger people prefer online questionnaires, which they handle with ease, while it is quite the opposite for people above 60. Regrettably, the COVID-19 pandemic made it impossible to conduct a traditional PAP survey. Nevertheless, 44 respondents, or 3.5%, were older than 60.

Biały and V Krowodrza. They amounted to almost 26% of all the respondents. These districts J o u r n a l P r e -p r o o f have one of the lowest ratios of urban green space per capita (Fig. 3) , mostly due to a small share of green spaces caused by a significant level of development. The smallest number of respondents were from districts X Swoszowice, XV Mistrzejowice, XVI Bieńczyce, and XVII Wzgórza Krzesławickie. However, apart from district XV, they have the lowest populations.

The share of green spaces per capita in these areas is similar to the level in the districts with the largest number of respondents. 

The respondents were asked whether they visited urban green spaces before and during the COVID-19 pandemic to identify their preferences. The vast majority, 92%

indicated they visited green spaces before the pandemic. Only 8% indicated they did not visit green spaces before COVID-19. The most common reason was no time (54.5%), use of more attractive recreation (30.7%), or too large a distance to green spaces from the place of residence to reach them on foot (25.7%).

During the COVID-19 pandemic, the number of visitors to green spaces fell to 78.9%, down 13.1%. The pandemic clearly affected the number of visitors to green spaces, which can J o u r n a l P r e -p r o o f be accounted for by lockdowns, and the governmental regulation banning the use of green spaces in the first phase of the pandemic.

The respondents were asked why they did not visit (Fig. 4) or what motivated them to visit (Fig. 5 ) urban green spaces in each phase of the pandemic. It was a multiple answer question. pandemic emerge from among those stated by the respondents (Fig. 5) . The respondents most often indicated the urge to take a walk (69.8%), improvement of general well-being (68.9%), easy access (can be reached on foot) (65.7%), need to commune with nature (60.6%), and reduction of stress levels (59.1%). Note that these reasons were the most popular in phases II and III of the pandemic as well. The least indicated main reason to visit green spaces in all phases of the pandemic was the use of outdoor gyms. Interestingly, even pet walking was not one of the main reasons residents of Kraków visited green spaces.

Another item in the survey was a Likert scale question about how visits to green spaces during the COVID-19 pandemic influenced selected factors. Its objective was to verify J o u r n a l P r e -p r o o f the importance of green spaces for mental and physical health of the city residents. The responses are shown in Figure 6 .

Over 50% of the respondents indicated visits to green spaces during the pandemic as the most important factor for the improvement of their general well-being (54.2%), contact with nature (51%), and having a walk (50.6%). Only 2.4% of the respondents believed visits to green spaces to be of no consequence for the improvement of their general well-being, which is the lowest result for all the available factors. Over 75% of the participants considered visits to green spaces as having a very big (42.2%) or big (34.5%) impact on stress level reduction. Only 4.3% believed it had no effect on stress. Over 60% of the respondents indicated the need for physical activity, possibility to spend time with family and friends, and reduced gloom as the factors that had a big or very big influence on visits to green spaces during the COVID-19 pandemic.

They also indicated factors that had no or very little impact on visits to green spaces during the pandemic. Over 55% of them believed the fear of infection was completely unimportant (35.8%) or had very little impact (20%) in this context. Exercise at an outdoor gym did not matter for 35.5% of the respondents and had a very small importance to 16.5% or them. The most frequently visited green spaces are situated near developments (Fig. 7) . One can conclude that the proximity of green spaces to the place of residence significantly affects the frequency and popularity of the location. On the other hand, the prevailing occurrence of J o u r n a l P r e -p r o o f parks located in the city centre among the responses indicates that the residents were prepared to cover larger distances to commune with nature in more appealing surroundings. This insight is supported by the fact that the most visited green spaces (the Vistula Promenades and the Planty Gardens) attracted users from virtually the entire area of Kraków.

The COVID-19 pandemic emerged as an extraordinary global crisis, significantly altering how people live (Allam and Jones, 2020) , changing how we can travel (Wen et al., 2021) , and barring people from public green spaces for a long period, both globally and in

Poland. The number of visitors to green spaces in Kraków fell by 13.1% during the pandemic compared to before the pandemic due to mobility restrictions. The result diverts from other researchers' findings, such as in Oslo, Norway (Venter et al., 2020) or Burlington, Vermont, USA (Grima et al., 2020) . and recreation due to limited or prevented access to green spaces harmed the well-being of their users (Karnon, 2020) . Hence, access to urban green spaces can help improve mental health during periods of exacerbated depression (Grima et al., 2020) . This conclusion is J o u r n a l P r e -p r o o f reflected in recommendations other researchers offered to their governments (Slater et al., 2020) . Note that according to the present study, the mental benefits seemed to be related not only to the sheer fact of visiting green spaces but also other factors, such as the ability to take a walk, close access to green spaces, the urge to commune with nature, or the possibility to meet friends and family. These results are in line with those by Wang et al. (2020) , Pérez-Urrestarazu et al. (2021) , or Du et al. (2021) , among others.

The green spaces most popular with residents of Kraków during the pandemic are located mainly in the heavily urbanised centre of the city. The centre has a green belt of the Planty Gardens encircling the main square as a tremendously popular walking and relaxation place. The characteristic green belt surrounding highly urbanised areas is a reduction ring typical of compact cities (Tang et al., 2007) . The main purpose of green belts is to provide space for recreation to improve the quality of urban life. Green belts have been parts of cities all over the world for years (Pieck, 2019 , Svensson et al., 2020 ). An interesting conclusion by Xie et al. (2020b) should be mentioned here that there is apparently no proof of the popular belief that strict implementation of green belts as urban development tools can prevent urban sprawl.

River parks, including the Vistula Promenades situated on the Vistula as it flows through Kraków, were very popular as well. They are adjacent to the most valuable urban sites in the city, the Old Town and Kazimierz. Importantly, the Vistula Promenades offer a great view of the Wawel Royal Castle, the most important heritage site in Poland, right in the city's centre (Romanczyk, 2018) . The popularity of these sites among the respondents during the pandemic comes as no surprise. A simultaneous contact with nature and historical, cultural heritage promotes the sense of identity (Prus et al., 2020 ) and offers a high-level aesthetic experience after a long quarantine period (Hodor et al., 2021) . Pérez-Urrestarazu et al. (2021) believe that a higher frequency of visits and shorter distance to green spaces from home have positive psychological effects and build place attachment. One could propose that proximity to green spaces from home influences the frequency of visits and popularity of a place, but it was not a primary factor in Kraków. Amerio et al. (2020) pointed out various characteristics of the environment affecting mental health. Improved natural environment and attractive surroundings may alleviate the impact significantly (Kazak, 2018, Halecki and Stachura, 2021) . According to the present research, residents of Kraków are willing to travel substantial distances to commune with nature in an attractive place. According to Mell and Whitten (2021) , COVID-19 changed how many people perceived and interacted with the natural environment. Green spaces started J o u r n a l P r e -p r o o f being recognised as areas beneficial for the mental and physical health of residents. They were dubbed the 'essential infrastructure' for well-being. In the present study, 59.1% of the respondents believed visits to green spaces to reduce their stress levels, with 70% claiming it improved their general well-being.

According to Gola et al. (2021) , the current COVID-19 pandemic has been causing significant upheavals in residents' daily lives and, consequently, their mood (stress, distraction, anxiety, etc). Life in the time of the COVID-19 pandemic shows that green spaces have non-tangible functions as well. The restoration of the (temporary) public life under the threat of COVID-19 entailed the emergence of what is often referred to as the 'new norm'.

People lived by the slogan 'Stay at home. Save lives' (Goggin and Ellis, 2020) . Pineda and Corburn (2020) pointed out that the global pandemic had to be viewed by global urban health advocates much like the urban epidemics of the nineteenth century, where reforms had helped improve population health. A vision for (re)building our cities to be more inclusive and healthier for all should be offered. The authors believe that urban and green planning has to change after the pandemic. The notion of city resilience has to be reinforced so that cities are more resistant to volatile, often harmful, factors (Rogatka et al., 2021) . Whereas urban green spaces should first of all support mental and physical public health.

The paper presents the results of a survey to demonstrate the value of urban green spaces for the local well-being during the global crisis caused by COVID-19. Urban green spaces play the key role during the pandemic by providing ecosystem services relevant to health, recreation, and temporarily limited public life. The present results confirm observations concerning green spaces during the crisis. Urban green spaces provide an important buffer to ameliorate the effects of crises in the mental (positive impact on wellbeing, reduced stress levels) and physical dimension (such as reduced temperature in cities).

The conclusions are consistent with the literature review, numerous case studies, and the present analysis. Hence the answers to the first two research questions are affirmative.

As is the answer to the third question. The results evidently indicate that the respondents believed that visits to urban green spaces during the COVID-19 pandemic had a significant impact on their mental and physical health and improvement of their well-being.

Regarding the fourth research question, the most often visited green spaces were located near the Vistula, main square, and former Jewish district, Kazimierz or near the Wawel Royal

Castle. The respondents were willing to travel long distances to spend time in attractive surroundings of green infrastructure. As the pandemic changed the public perception and J o u r n a l P r e -p r o o f importance of urban green spaces in Kraków, they need to be protected and even developed further. It helps improve human well-being and mental state.

To sum up, the research on the influence of the COVID-19 pandemic on the importance of urban green spaces in Kraków yielded numerous insights that can be employed when new urban green policies are drafted, whether in Poland or internationally.

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The authors would like to thank the three anonymous reviewers and Emeritus Editor Prof. Guy Robinson for their thorough work with the manuscript and for providing constructive and insightful comments on this paper. We also graciously thank all 1,251 survey questionnaire participants.