Landscape and the city: Agro-forest systems, land fragmentation and the ecological network in Rome, Italy

Pili, Silvia; Serra, Pere; Salvati, Luca

doi:10.1016/j.ufug.2019.04.016

Cited by 46 publications

(35 citation statements)

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“…Other towns have shared a common boundary with a capital city, and they showed a tendency to expand towards Addis Ababa, following the main road, suggesting a lack of rigorous implementation of the master plan. The outcome from prior studies [10,18,37,38,46] indicated that rapid urbanization and lack of good monitoring and managing urban development, lead to a shift in the natural ecosystem of the area and the formation of a more fragmented landscape pattern. In this study, ecological service can be deteriorated due to the considerable decrease in the grassland, agriculture, and vegetation ecosystem (Table 8).…”

Section: Discussionmentioning

confidence: 99%

“…An increase in the informal settlement could also be one of the main reasons for the degeneration of green vegetation. The decrease in vegetation covers is mainly because of ineffective land management exercise and less soil protection criteria [38]. This situation highlights the need to consider the balance between urban expansion and green vegetation conservation.…”

Section: Urbanization and Its Influences On The Landscape Compositionsmentioning

confidence: 99%

“…Landscape metrics studies are also primarily applied to detect the relationship between landscape patterns and land surface temperature [33][34][35][36]. Thus, the studies on urban land use dynamics have not only presented temporal and spatial characteristics of urban development but have also offered evidence to address severe ecological and environmental concerns threatening urban ecosystems [37][38][39]. Referring to the land use maps and changes, policymakers, and urban planners can often identify measures to minimize adverse effects related to urban growth.This study concerns urban expansion in Ethiopia.…”

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confidence: 99%

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Urbanization in Small Cities and Their Significant Implications on Landscape Structures: The Case in Ethiopia

et al. 2020

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Fundamental ideas concerning urbanization are primarily based on studies performed in large cities. It is of interest to study whether or not similar phenomena take place in smaller cities. Small cities are an inherent component of urbanization, and in the future, the majority of globalization is expected to occur in small and mid-sized cities. Understanding the effects of small cities on landscape structures is, therefore, an essential component in planning city land expansion. Accordingly, this study focused on six towns of the Oromia Special Zone Surrounding Finfinnee, Ethiopia, which is broadly known to be experiencing dramatic growth. Time-series Landsat images from 1987 to 2019 with an integrated method, landscape metrics, and built-up density analysis were employed to characterize and compare the dynamics of landscape structures, urban expansion patterns, process, and overall growth status in the towns. The results highlight that all the towns experienced accelerated growth in the built-up areas and highly scattered nature in spatial growth. Landscape ecology analysis confirmed a highly fragmented urban landscape, a significant loss of natural land covers, and disconnected and complicated agro-vegetation patches in all towns, suggesting a lack of rigorous implementation of the master plan. Results also indicated that the Oromia Special Zone surrounding Finfinnee has failed to control urban sprawl to surrounding ecological sensitive areas. The study results, more broadly, highlight that the small cities would have a limited physical and demographic footprint and relatively less contribution to the national economic agglomeration; nonetheless, they can have a notable and important impact in terms of their ecological and environmental influence. Hence, the study suggests policies for monitoring such dynamics and protecting agro-environmental connectivity with particular focus on the small cities.Sustainability 2020, 12, 1235 2 of 19 infrastructure and services. Whereas a compact spatial form can assist in implementing an enhanced transportation system as well as minimize the consumption of traffic energy-efficiency and resource utilization such as water pipe networks and drainage system [6,7]. However, some studies argue that the potential for damage to urban green spaces [8], increased traffic congestion, pollution, and crowded services [9] are notable shortcomings of compacting urban development. Even though there is some controversy regarding spatial growth types, the general agreement is that the urban spatial morphology can determine the social, environmental, and ecological situations of a city. Consequently, exploration of the urban spatial dynamics and landscape structures analysis continues to of interest due to its high importance in creating sustainable cities.Several studies have investigated the effects of urban expansion on the landscape composition and configuration [10][11][12], investigating the existing and projected urban land dynamics [13], and exploring the patterns and possible drivers [...

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Section: Discussionmentioning

confidence: 99%

Section: Urbanization and Its Influences On The Landscape Compositionsmentioning

confidence: 99%

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confidence: 99%

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Urbanization in Small Cities and Their Significant Implications on Landscape Structures: The Case in Ethiopia

et al. 2020

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“…Thus far, scholars of various research fields have discussed the structure and function of the ecological network [3], as well as its construction and assessment [4,5]. In addition, they have also conducted a great deal of research about biodiversity protection [6,7], natural reserve design [8], optimization and assessment of urban (regional) landscape [9,10], landscape planning and design [11,12], forest management [13], land use planning and assessment [14], and ESP [1,15], etc. The research involving ecological networks and ecological security can be mainly divided into following three types: (1) improving the spatial structure of ecosystem; (2) protecting ecological functions and processes (like the habitat reconstruction of crucial species); (3) coupling ecosystem services (like ecology, entertainment and aesthetics).…”

Section: Introductionmentioning

confidence: 99%

The Construction of a Regional Ecological Security Pattern Based on Circuit Theory

Jiu-lin

Chu

2019

Sustainability

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The construction of an ecological security pattern (ESP) is one of the basic methods to protect regional ecological security and enhance people’s well-being. In the case of Anhui province, located in the Yangtze River Delta region of China, regional ecological sources were assessed and recognized in terms of ecosystem services, and regional ESP was then constructed based on circuit theory. Current density was applied to analyze the significance of patches and corridors and recognize sticking points, and thereby strategies were introduced to optimize regional ESP. Results of ecosystem services function assessment showed that there were 47 ecological patches, 107 ecological corridors, 16 pinch points, and six sticking points in the ESP of Anhui province. The watershed of the Yangtze and Huai rivers divides the ESP of the northern and southern Anhui, which has huge landscape spatial heterogeneity. Areas with relatively good ecological resources were basically located between Dabie Mountain area in the west and the low hilly area in the south of Anhui, with mostly woodland and farmland as ecological sources. However, cities in the northern Anhui, also in the north of the watershed of the Yangtze and Huai rivers, face severe situations in terms of environmental protection. This study conducted spatial analyses on ESP with different thresholds and proposed to classify different ESPs according to ecological control. This helps to alleviate the contradiction between economic development and environmental protection, and improve the supply capacity of regional ecosystem services, in order to satisfy the regional demand for ecosystem services. Meanwhile, this study offers more methods to construct regional ESP and introduces targeted measures to improve connectivity, which is of practical guidance for the connectivity and optimization of ecological patterns.

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“…This software tool is freely available which, together with the growing availability of EO-data and LULC databases, increases its potential use by the scientific community. In fact, IndiFrag has recently been used in studies by other authors (e.g., González-Yebra et al, 2018;Pili et al, 2019;Trinder and Liu, 2020), which shows its short-term impact on urban and natural environmental research.…”

Section: Discussionmentioning

confidence: 99%

Development and analysis of land-use/land-cover spatio-temporal metrics in urban environments: Exploring urban growth patterns and linkages to socio-economic factors

Moll¹

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Landscape and the city: Agro-forest systems, land fragmentation and the ecological network in Rome, Italy

Cited by 46 publications

References 47 publications

Urbanization in Small Cities and Their Significant Implications on Landscape Structures: The Case in Ethiopia

Urbanization in Small Cities and Their Significant Implications on Landscape Structures: The Case in Ethiopia

The Construction of a Regional Ecological Security Pattern Based on Circuit Theory

Development and analysis of land-use/land-cover spatio-temporal metrics in urban environments: Exploring urban growth patterns and linkages to socio-economic factors

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