Accessibility disturbances to the biodiversity of urban wetlands due to built environment

Rojas, Carolina; Sepúlveda, Einer; Jorquera, Felipe; Munizaga, Juan; Pino, Joan

doi:10.1016/j.cacint.2021.100076

Cited by 17 publications

(9 citation statements)

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“…The high similarity of the main plant families and genera and the distribution of flora also indicated that the three urban wetland landscapes exhibited a trend of homogenization. Rojas et al (2022) also found that with the improvement of the accessibility of urban wetlands, the number of plants introduced by human activities increased, leading to the homogenization of plants. This phenomenon is also common in urban green spaces ( Liu et al, 2019 ).…”

Section: Discussionmentioning

confidence: 94%

“…Although some urban wetlands surrounded by a natural matrix also show higher plant diversity and heterogeneity and often provide better ecosystem service functions than urban wetlands with greater homogeneity of plant composition and structure ( Moreno-Mateos et al, 2012 ; Rojas et al, 2015 ), the plant diversity of most urban wetlands is influenced by the introduction of cultivated plants and faces the challenges of plant homogenization and biological invasion ( Basnou, Iguzquiza & Pino, 2015 ; Zhang et al, 2020 ). In addition, some studies have also found that urban variables brought about by urbanization, such as the increase in the percentage of surface urbanization, dwelling density, population density ( Rojas et al, 2015 ), and the accessibility of wetlands ( Rojas et al, 2022 ), have negative impacts on the richness and composition of urban wetland plants ( Pino, Seguí & Alvarez, 2006 ). For urban wetlands, the species abundance and diversity of the plant community will have a positive impact on the restoration of wetland functions, which can also provide essential habitats for wild animals in the city ( Chen & Bao, 2003 ).…”

Section: Introductionmentioning

confidence: 99%

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The influence of management practices on plant diversity: a comparative study of three urban wetlands in an expanding city in eastern China

Lu,

Yang,

Zhang

et al. 2024

PeerJ

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Rapid urbanization has drawn some aquatic environments into the urban texture from the outskirts of cities, and the composition and distribution of plant species in urban wetlands along the urban gradient have changed. Understanding the drivers of these changes will help in the conservation and utilization of urban wetlands. This study investigated the differences in plant diversity and associated influencing factors in three wetlands, Xixi wetland, Tongjian Lake wetland, and Qingshan Lake wetland, which are located in a core area, fringe area, and suburban area of Hangzhou City, respectively. The results showed that a total of 104 families, 254 genera, and 336 species of plants were recorded in the Xixi wetland; 179 species, 150 genera, and 74 families were found in the Qingshan Lake wetland; and 112 species, 96 genera, and 57 families were collected in the Tongjian Lake wetland. The main plant species and flora distribution of the three urban wetlands showed similarities. Indigenous spontaneous vegetation was highest in the Xixi wetland, while cultivated plant species were most abundant in the Tongjian Lake wetland. The introduction of cultivated plants decreased the distance attenuation effect of plant communities, which led to a certain degree of plant diversity convergence among the three wetlands. Eight endangered plants were preserved in the Xixi wetland by planting them in suitable habitats. Ellenberg’s indicator values showed that the proportion of heliophilous plants was higher in the Qingshan Lake wetland, while the proportion of thermophilous plants and nitrogen-loving plants in the Tongjian Lake wetland was higher than in the other two wetlands. The importance of artificial interference factors affecting the differences in plant diversity was significantly higher than that of natural environmental factors in urban wetlands. The preservation of spontaneous plants and the introduction of cultivated plants had an importance of 25.73% and 25.38%, respectively. These were the main factors influencing the plant diversity of urban wetlands. The management mode that did not interfere with spontaneous vegetation and confined maintenance to cultivated plants in the Xixi wetland was beneficial for improving wetland plant diversity. Scientific plant reintroduction can also improve wetland plant diversity.

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Section: Discussionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

The influence of management practices on plant diversity: a comparative study of three urban wetlands in an expanding city in eastern China

Lu,

Yang,

Zhang

et al. 2024

PeerJ

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“…Es importante señalar que ya existen propuestas de diseño que apuntan a adaptar la vegetación existente para la recolección de aguas lluvias (Bellalta, 2021). Asimismo, es clave considerar la biodiversidad en su amplitud al momento de desarrollar una red de infraestructura verdeazul, y no solo la vegetación, de la cual se ha documentado una homogenización e intervención en zonas densas (Pauchard et al, 2006;Rojas et al, 2022). Lo mismo ocurre con la distribución y los períodos de nidificación de las aves.…”

Section: Discusionesunclassified

Acceder caminando a los humedales urbanos: una oportunidad de recreación y bienestar

Rojas

Guajardo

Steiniger

2022

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Urban wetlands in Chilean cities are one of the urban ecosystems most affected by real estate developments. Despite their importance for recreation and biodiversity, they are constantly shrinking due to deficient urban planning processes. However, with the recent boom of green and sustainable cities, wetlands are being revalued through restoration projects and open urban parks, with natural value for the well-being of habitats and the urban population. In this sense, promoting accessibility through suitable infrastructure will contribute to improving the quality of life of inhabitants and the urban environment, specifically through the integration of blue-green infrastructure. Walkable access to a network of wetlands called "La Ruta del Agua" (“the water trail”) has been analyzed here, through a perception-based survey, looking to improve access to nature in cities. The urban wetlands assessed comprise five ecosystems located in different types of neighborhoods in the metropolitan area of Concepción, Chile. Although this is a local case study, it is relevant from a methodological perspective, given the existence of a large number of degraded urban wetlands in Latin America that are in danger of disappearing. The results show that wetlands are accessible by walking, but the fact that they are rarely visited, despite being close to residential areas, reveals a lack of integration as open green spaces, rich in biodiversity, and as places of recreation in the city of Concepción. The results of this study are valuable for the design of future “wetland parks”, one which must consider the ecosystem values, biodiversity, and recreation for people’s well-being.

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“…In the context of COVID-19 or potential future pandemics, urban wetlands have recently been promoted as a means of promoting public health (Zhai and Lange 2021 ). In particular, urban wetlands, as a key urban biodiversity space, can provide recreation while also promoting residents' mental and physical health and making cities more livable (Andreucci et al 2019 ; Russo and Cirella 2020 ; Russo and Holzer 2021 ; Rojas et al 2022 ). Large numbers of wetlands may survive in metropolitan areas, both as natural remains and as an unintended consequence of human activity (for example, fringing wetlands on dredge spoil deposits) (Ehrenfeld 2000 ).…”

Section: Introductionmentioning

confidence: 99%

“…Themes regarding biodiversity were also highlighted in the literature, including habitat protection and creation to benefit wildlife (Hassall 2014 ; Palta et al 2017 ; Alikhani et al 2021 ; Wang et al 2022 ). However, many studies suggest that there are conflicting interests in habitat conservation and recreational use of urban wetlands (Hettiarachchi et al 2014 ; Rojas et al 2022 ), thus, more research on urban wetlands as a multi-use, functional space should be encouraged, to determine whether conservation and recreation opportunities can succeed in tandem. Recreational themes associated with leisure have also been discussed (Zedler and Leach 1998 ).…”

Section: Introductionmentioning

confidence: 99%

Exploring the Driving Factors that Influence the Design, Function, and Use of Urban Wetlands in the United Kingdom

Andrews

Russo

2022

Wetlands

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This paper aimed to investigate the driving factors for the creation of urban wetlands and their functions and uses. A mixed methods approach was used, comprising an online survey for the general public and structured interviews with four urban wetland ‘experts’. Quantitative data was obtained from the survey, and cross tabulation was used to analyse relationships between variables. Thematic analysis was used for the qualitative data from the interviews. It was found that one of the urban wetlands was created for flood control and to create an amenity space, whilst the driving factors for the other three urban wetlands were associated with biodiversity and habitat creation, which was also perceived as the most important function of an urban wetland from the survey participants. Three themes emerged from the thematic analysis: ‘wildlife conservation interest’; ‘landscape character development’; and ‘urban wetland as an amenity space’. The survey found that participants perceived climate resiliency as an important function of wetlands, despite this not being a driving factor for the four wetlands in the interviews. Survey participants would be willing to invest time in visiting a non-local wetland landscape to encounter nature and contribute to their quality of life and wellbeing. The results of this research may be useful to inform the planning, design and management of urban wetlands as they evolve towards being a multi-use spaces. More education and awareness are needed about the benefits of these landscapes to wildlife, the environment and local communities. Supplementary Information The online version contains supplementary material available at 10.1007/s13157-022-01610-1.

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Accessibility disturbances to the biodiversity of urban wetlands due to built environment

Cited by 17 publications

References 35 publications

The influence of management practices on plant diversity: a comparative study of three urban wetlands in an expanding city in eastern China

The influence of management practices on plant diversity: a comparative study of three urban wetlands in an expanding city in eastern China

Acceder caminando a los humedales urbanos: una oportunidad de recreación y bienestar

Exploring the Driving Factors that Influence the Design, Function, and Use of Urban Wetlands in the United Kingdom

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