Search results for "Ecological Network"

Connected Lands : new perspectives on Ecological Networks Planning

2017

The construction of an ecological network is a fairly complex operation, given that the components to be considered are strictly linked to the age-old problem of the relationship between man and the land, until now perhaps seen too much as a limiting relationship and not, as the use of this tool suggests, as a relationship to be safeguarded. It may represent the ideal way to reconcile human needs and the conservation of biodiversity for the sustainable management of land. This study on the ecological network represents a tool capable to contain habitat fragmentation trough a new perspective that integrates theoretical approaches and methods with planning models and experiences of local appl…

Le reti ecologiche nella pianificazione territoriale ordinaria. Primo censimento nazionale degli strumenti a scala locale

2010

La pianificazione è un argomento vasto e complesso, che rappresenta per le politiche ambientali uno degli strumenti più importanti per l'individuazione di soluzioni idonee al miglioramento del rapporto uomo-territorio-risorse ambientali. Il tema generale dell'indagine è quello dell'inserimento di una pratica virtuosa in termini ambientali, le reti ecologiche, negli strumenti di pianificazione territoriale ordinari. Planning is a vast and complex subject, which represents for environmental policies one of the most important tools for the identification of suitable solutions to improve the relationship between man-territory and environmental resources. The general theme of the survey is the i…

Agricultural landscapes and biodiversity conservation: a case study in Sicily (Italy)

2015

The diversity of life is made up not only of the diversity of plants and animal species, habitats and ecosystems, but also of the diversity of human cultures. These diversities interact with one another in complex ways and express the mutual adaptation between humans and the environment at local level. Sicilian traditional agro-ecosystems, due to the history of the territory and the resulting social and economic context, are configured in a heterogeneous mosaic rich in residual features of environmental value, which enhance the connectivity of the ecological network and support a high proportion of species that are rare or of conservation concern. As a case study we analyzed the characteris…

Connected Lands

2017

A Multi-Scale Analysis to Measure Ecological Impact of LUCC in a Built Environment

2015

International audience; In human-dominated environments, efforts to preserve ecological connectivity between animal species habitats is an important issue. These areas are indeed concern by anthropogenic pressures leading to rapid land use and land cover changes (LUCC). This is particularly the case of urban fringes, affected by many changes (e.g. urban sprawl) specifically for several decades.Of all the methods to model the ecological networks connectivity, landscape graphs provide a relevant approach, which interest for decision support in land-use planning has already been highlighted (Foltête et al., 2014). This approach allows to represent ecological networks in a simplified way as gra…

Urban Services to Ecosystems - Green Infrastructure Benefits from the Landscape to the Urban Scale

2021

The aim of this book is to bring together multidisciplinary research in the field of green infrastructure design, construction and ecology. The main core of the volume is constituted by contributions dealing with green infrastructure, vegetation science, nature-based solutions and sustainable urban development. The green infrastructure and its ecosystem services, indeed, are gaining space in both political agendas and academic research. However, the attention is focused on the services that nature is giving for free to and for human health and survival. What if we start to see things from another perspective? Our actions shall converge for instance to turn man-made environment like cities f…

New Perspectives on Ecological Networks

2017

This chapter introduces the theme of ecological networks, exploring the reference theoretical bases within the International academic debate, and proposing a reflection on how protected areas should no longer be considered as the sum of different components, but rather as a network. In relation to this aspect, the transnational and national models of ecological networks, carried out in the different European countries, are analyzed, through a detailed, updated study of relevant national and international documents. Particular attention is given to the European ecological Natura 2000 network that constitutes the official framework for European policies on protected natural areas. The work hi…

Impact of Rocky Desertification Control on Soil Bacterial Community in Karst Graben Basin, Southwestern China

2021

Microorganisms play critical roles in belowground ecosystems, and karst rocky desertification (KRD) control affects edaphic properties and vegetation coverage. However, the relationship between KRD control and soil bacterial communities remains unclear. 16S rRNA gene next-generation sequencing was used to investigate soil bacterial community structure, composition, diversity, and co-occurrence network from five ecological types in KRD control area. Moreover, soil physical-chemical properties and soil stoichiometry characteristics of carbon, nitrogen and phosphorus were analyzed. Soil N and P co-limitation decreased in the contribution of the promotion of KRD control on edaphic properties. T…

Ecological Network, Application of a Model in Sicily

2017

Since the Tertiary period, Sicily (Italy) has been major reservoir of biodiversity. The abundance of these resources, however, is not reflected by developing an effective system of planning and management of wilderness areas. This work analyzes the regional territorial features, referring to the fragmentation process of natural systems, closely related to the phenomenon of soil consumption on wilderness areas that, since the sixties, has strongly contributed to shape the regional territory both from the physical and from the functional point of view. For these characteristics Sicily is particularly suitable for becoming a reflection field where the new perspectives on ecological networks co…

Paysage & [et] infrastructures de transport : modélisation des impacts des infrastructures sur les réseaux écologiques

2013

The development of linear infrastructures leads to the fragmentation and the artificialisation of the landscape across scales. Landscape fragmentation is a spatial process that is accompanied by a progressive decrease of the connectivity between the elements needed to conduct ecological processes. Thus, maintaining a good level of connectivity between natural habitats, compatible with human activities, has become a major issue for the preservation of biodiversity.By mobilizing methods from graph theory and landscape ecology, the thesis seeks to demonstrate the value of landscape graphs to model ecological networks and analyze impacts of transportation infrastructures at regional scale.The m…