Supporting sustainable mobility planning and
Transcription
Supporting sustainable mobility planning and
Supporting sustainable mobility planning and decision making in mountain regions: the Access2Mountain environmentallandscape model Massimo Sargolini, Renato De Leone, Andrea Renzi UNICAM Košice, October 2012 Maps of the model regions & their provisional delimitation Italy – South Tyrol Austria - Mostviertel Slovakia - Košice Poland Rzeszów Romania Maramures North Hungary Austria - Gesäuse Tourist mobility model • Determine the centroids for interesting tourist points • Verify which travelling options are available for each origin-destination pair • Construct shortest path tree for each travelling origin (for each travelling modality) • For each arc, determine which origin-destination pair are involved and possible traveling mode Focus on Kosice model region Kosice region: Points of tourist interest Routing Map Origin / Destination distance (for main points of interest, Kosice) Origin / Destination travel time (for main points of interest, Kosice) Routes and distances (for main points of interest, Kosice) Route no. From / to Starting Point Km Km Km Km Route 1 Kosice – Spisska Nova Ves Kosice 19 Kosicka bela 49 Krompachy 75 Spisska Nova Ves Route 2 Kosice – Dobšiná Kosice 29 Moldava nad Bodvou 68 Rožňava 95 Dobšiná Route 3 Kosice - Dobšinská ľadová jaskyňa Kosice 29 Moldava nad Bodvou 68 Rožňava 95 Dobšiná 111 Dobšinská ľadová jaskyňa Route 4 Kosice – Dedinky Kosice 29 Moldava nad Bodvou 68 Rožňava 95 Dobšiná 105 Dedinky Route 5 Kosice – Rožňava Kosice 29 Moldava nad Bodvou 68 Rožňava Route 6 Kosice – Moldava nad Bodvou Kosice 30 Moldava nad Bodvou Route 7 Kosice – Jasov Kosice 27 Jasov Route 8 Kosice – Krompachy Kosice 19 Kosicka bela 49 Krompachy Route 9 Kosice – Gelnica Kosice 19 Kosicka bela 42 Gelnica Route 10 Kosice – Michalovce Kosice 32 Dargov 60 Michalovce Route 11 Kosice – Dargov Kosice 32 Dargov Route 12 Kosice – Kosicka bela Kosice 19 Kosicka bela Shortest path matrix (for main points of interest, Kosice) Shortest path trees for each travel origin (1) Shortest path trees for each travel origin (2) Shortest path trees for each travel origin (3) Shortest path trees for each travel origin (4) Shortest path trees for each travel origin (5) Shortest path trees for each travel origin (6) Focus on Hungarian area Hungarian region: Points of tourist interest Routing Map Shortest path trees for each travel origin (1) ) Shortest path trees for each travel origin (2) Determination of which Origin/Destination pair uses a specific arc Determination of which Origin/Destination pair uses a specific arc Determination of which Origin/Destination pair uses a specific arc - Further steps in model development Model based on Systems Dynamics approach -Integrating a composite set of indicators on environmental and landscape impacts on tourist paths -Including feedback loops on the number of users through effects on regional economy and society -Should find some sustainability thresholds to drive policies System dynamics is a computer-aided approach to policy analysis and design. It applies to dynamic problems arising in complex social, managerial, economic, or ecological systems — literally any dynamic systems characterized by interdependence, mutual interaction, information feedback, and circular causality. A System Interdependent group of items forming a unified pattern Can be found in management (strategy, processes), nature (ecosystem, human body), technology (plant, factory) Has a structure which can be identified and shapes its characteristics Systems Theory Human beings are natural born quick problem solvers Sometimes causal relationships for events are hard to identify Systems Thinking provides tools to address difficult management problems requiring a “problem solving” approach (social, economic, ecological and political) ST can help develop Decision Support Systems (DSS) for improving policy making For example, system dynamics studies reinforcing processes—feedback flows that generate exponential growth or collapse—and balancing processes—feedback flows that help a system maintain stability. In its simplest sense, system dynamics focuses on the flow of feedback (information that is transmitted and returned) that occurs throughout the parts of a system—and the system behaviors that result from those flows. • System dynamics is concerned with the behavior of a system over time. Key concepts are: • system stocks • system flows • system feedbacks Stocks and Flows In the System Dynamics modeling, the dynamic behaviour is linked to the principle of accumulation: flows accumulate in stocks Feedbacks Stocks and flows in the system are part of feedback loops, and the feedback loops are joined together. Explicit goal seeking The model allows to visualize: • • • • • Tourist traffic scenarios & flows in the model regions Environmental and landscape impacts of transport flows and infrastructure Effects of alternative modal split in the regions Possible economic impacts of increased visitors Possible social impacts of increased visitors Benefits: Use scenarios to define tourist, economic and environmental policies on the basis of expected impacts Set policy goals in the domains covered by the indicators used in the model Manage seasonal impacts of tourist mobility Run simulations on alternative mobility planning options to assess the sustainability of regional policy choices Start a “Cost-Benefit Analysis” on alternative planning scenarios as a basis for policy discussion and prioritization of public expenditure and funding The Vensim A2M Model Inside the Vensim A2M model Causes Tree for NOx Causes Tree for Landscape Quality (Attractiveness) Causes Tree for Total Number of Tourists Uses Tree for Total Number of Tourists Survey of landscape characters from the model regions (Sebastiano Ferranti, Corrado Gamberoni, Roberto Gambino, Paolo Perna, Andrea Renzi, Massimo Sargolini). The notable historical, socio-economic, and environmental differences that are observed between model regions and their surroundings, the ecosystem fragmentation that has been brought about by development over the last century, and above all the largely shared intent to promote appropriate and sustainable forms of development for tourism and tourist mobility, confer a crucial role on the implementation of resources and infrastructure. Remarks on the model The model considers primarily, the shortest paths and calculates: a. Environmental indicators b. Landscape indicators their effects on tourist attractiveness AND number of tourists. Then: c. economic impacts of tourism (number of tourists) d. social impacts of economic growth related to tourism Landscape status analysis to determine the “landscape perceptive quality level” Model regions exploration Survey of landscape characters from the model regions (Sebastiano Ferranti, Corrado Gamberoni, Roberto Gambino, Paolo Perna, Andrea Renzi, Massimo Sargolini). Three layers of interpretation of the characteristics of the landscape. Observation Areas These areas, where we concentrate our observations, can be designated as “target sites” or observation areas. Components Each site or area of observation exhibits within it a relatively large number of heterogeneous components that interact among themselves, even more for areas that are historically and biologically complex and diversified, and each component is well-characterized under the structural and functional profile. Contexts of interests The areas should be divide in contexts of interest, that is, the environments in which relationships of various nature (ecology, landscape, economy, society/culture, etc.) arise and affect the observed area. . Context 1 – Rural Plain with intensive agricolture Context character The Pannonian Basin, like many other European plain areas, tend towards ever more intensive forms of agriculture. Landscape Feature The structure of the landscape presents a very extensive plain morphology. The agricultural network is large, consisting of plots of uniform cultivation. Linear, secondary infrastructures are inserted on the main routes, and connect with the small rural settlements designed in strict relationship with the adjacent rural bottom. Other arterial networks form in the direction of historical routes starting from the main centres. Ecological Feature Intensive agriculture is one of the principal threats to biodiversity on the continent. Natural or semi-natural linear elements, like rows of trees or bushes, are an essential component of this context if an adequate level of biological diversity and functionality of the ecosystems is to be conserved. Near Debrecen, Hungary. Component – Depressions Component character The limit that exists between the chain of the Carpathians and the large Pannonian Basin signals a sharp discontinuity in the ecological systems. The fertile terrain allows for the development of a dominant modern agriculture of extensive cereal cultivation. Landscape Feature The vast plain area in some parts assumes the character of the depression. Here, superficial water stagnates, forming mirrors of different sizes. They are isolated components of the landscape, whose surroundings are marked by lake vegetation. Ecological Feature Essential components of this context are the residual patches of natural vegetation that are primarily concentrated along the large rivers or, as in this case, in lakes and wetlands of particular environmental value. Tisza Lake, Hungary. Context 2 – Urban Context character Urbanized areas, generated by significant socio-economic trends after the Second World War, have assumed dimensions that are considerable and certainly predominant with respect to original historical centres. Urban settlements are present as a mosaic of ecologically different areas. Landscape Feature Urban settlement develops primarily in the flatter parts of the territory near principal transportation routes. Ecological Feature In this case, residential quarters, green areas, and industrial complexes are evident. Within the scope of urban ecological processes, each of these undertakes different functions that can be integrated within the fabric of bioconnectivity. Natural contexts often come in close contact with urban contexts, enhancing the system of biological relationships with additional complexity. Presov, Slovakia Component – Urban center Component character Landscape Feature The principal routes to approach the urban centre are essential components of the city structure. They are designed to contain space for public and private transport as well as the movement of pedestrians and bicycles. Ecological Feature Natural elements, even if they are small or residual, are a very important component in urban areas. They provide fundamental ecological services for the quality of life of the inhabitants. It is also important not to underestimate the biodiversity, which is linked, for example, to the presence of parks and gardens, whether public or private. In the area of study, these environmental components favour the maintenance or activation of important bioconnections between natural and urban contexts. Presov, Slovakia Context 3 – Extensive rural hills Context character The “extensive rural hill” contexts and the “forested hill and/or low mountain complex” contexts form a nearly inextricable mosaic in which the ecological relationships, whether structural or functional, are very intense. Landscape Feature Agricultural area within the "Zempleni Tajvedelmi Korzet" Park Settlement linked to agricultural activity tends to develop in an arterial way along the principal routes. It rarely assumes the character of sparse houses disconnected from the road network. Ecological Feature Zempleni Tajvedelmi Korzet, Hungary The residual forested formations present in the former are physically connected to the latter, and many faunal species define their habitat using both. In these cases, management should keep in mind both the property of the individual contexts and those emerging on a higher level of integration in a trans-scale approach. Context 3 – Extensive rural hills Context character Agricultural areas with low energetic input and low environmental impact are pointed out as places of great ecological interest. In these cases, an elevated heterogeneity of contextual components emerges, forming a very articulated mosaic. Landscape Feature Less steep areas of the hill/mountain area are cultivated extensively. Parcelling the property (with holdings of 0.5 ha per farm) has not favoured the activation of mechanization processes. Ecological Feature These context includes the ideal conditions for the permanence of typical biocenoses in agricultural ecosystems, which can find a large variety of opportunities, means, and processing times congruent with their existence. Maramures, Romania C3 Component – Rural Village Component character The settled area is characterized by the coexistence of historical wood buildings of monumental prestige, protected by UNESCO and from recent low-quality building in which some roofs are even made of materials containing asbestos. Ecological Feature Rural villages undertake a very important function in improving ecological assets in the system of relationships between essential components. Moreover, maintaining the population in rural environments favours the preservation of biodiversity. The abandonment of traditional cultivation, like the transformation in intensive cultivation on the opposite side, provokes a strong reduction in biodiversity. This is considered one of the most alarming phenomena for conservation (see the EU Biodiversity Strategy for 2020). Budesti, Romania Context 4 – Forested hills and/or low mountain complexes Context character The steepest hill- and mountainsides are covered in forest; there are no evident signs of coppicing. However, large clearings of particular landscape worth break up the forested areas and highlight a fluidity of forest/pastoral use. Cisna Forestry Railway , Poland C4 Component– Forest Component character Timber tree forests in hillside areas. Border zone between Hungary and Slovakia. Landscape Feature . This component of the landscape, in which natural components dominate, will constitute the “Zempléni protected landscape”. Ecological Feature Poloniny National Park, Slovakia The diversity of ecological situations and management methods ensures that the forested hill and/or low mountain complexes”, which are apparently monotonous, are in reality distinguished both from the vegetation and structural points of view. These contexts, overall, assume high ecological value, hosting important populations of important faunal species such as the wolf (Canis lupus), brown bear (Ursus arctos), and lynx (Lynx lynx). In this sense, they hold a function that goes well beyond the regional scale, placing themselves as one of the landmarks of the European ecological network. C4 Component– Access point Component character The presence of extensive forests that nearly continuously cover the hills, even at modest altitudes, is one of the principal characteristics of the Carpathian area. The forests, mostly broad-leaf trees, are in large part subject to forest management, even if it should not be forgotten that close to the border between Poland, Slovakia, and Ukraine, there are some of the last, residual, branches of old-growth beech forests present in Europe. UNESCO has recognized the site as a World Heritage Site (Primeval Beech Forests of the Carpathians and the Ancient Beech Forests of Germany). Landscape Feature . The narrow-gauge railway infrastructures, originally constructed to support mining and/or lumber activities, are now used for a touristic scope. New components of the landscape have been created, consisting of exchanges near intersections of roadways and railways. Ecological features the tourism development should duly recognize the fragility of the ecological balance of these fragments, which, because of their small size, are already subject to the typical perturbations of isolated ecosystems. Cisna Forestry Railway, Poland Context 5 – Alpine Context character The “Alpine” contexts are characterized by the close penetration of natural and anthropic elements that are fused to give rise to a very peculiar ecological system. In this image, interactions between the high-altitude rocky and grassland environments, some areas of very high naturality, and the settled valley floor moulded by forestry and agricultural activities characterize the ecosystem. Landscape features Three spectacular components of this extraordinary landscape context can be glimpsed: the bare rocky walls that tower above the tree line; the sides in which forests or grassy areas can be seen according to the steepness; and the settlements and infrastructure of the valley floor. Ecological features Piz la Ila, Alta Badia, Italy Conservation of the environmental heritage of these areas is closely linked to the maintenance of a correct balance between anthropic pressure and natural dynamics. C5 Component – Trasport connections Component character The development of tourism activities, often linked to winter sports, has profoundly altered the balance of important parts of the European mountains, such as in the case of the Slovakian side of the Tatra Mountains. Landscape features This infrastructure node represents a prevalently anthropic landscape component, typifying the study area. The presence of winter stations for Alpine skiing, consolidated in the past, is supported by railway links that allow for exchange with ecomobility means. Ecological features The development of settlements and infrastructure necessary to undertake these activities, such as ski lifts and slopes, have inserted within these originally natural contexts anthropic elements that exert significant pressure on the ecosystems. Starý Smokovec , Tatra Mountains, Slovakia. Context 6 – Valley with intensive agriculture Context character Most anthropic pressure on the ecological system tends to concentrate on valley floor areas due to particularly favourable conditions. Landscape features The structure of the landscape is determined by rolling hill morphology limited by steeper mountain sides. The agricultural network is long. Linear infrastructures, for the most part, are twolane and connect urban centres. Railway lines run along the most important centres. Industrial areas are present, even of significant size. Ecological features In this case, it is evident how, next to scarce branches of natural vegetation, its use is prevalently for intensive agriculture. Biocenoses have little chance of developing in a balanced way, and those species generally able to adapt best to structurally simple ecosystems tend to become dominant. The situation is made even more critical by the presence of industrial plants, whose impact on the environment is certainly significant. Kosice, Slovakia Context 6 – Valley with intensive agriculture Context character The rural characters of the valley floors, also in situations that are particularly wellconserved under the environmental profile, are eaten away by urban sprawl. Landscape features Steep mountainsides can be glimpsed, which delimit and enclose the rural hill landscape area rich with settlements, parcelled agrarian areas, and service infrastructure for the agricultural activities. Ecological features The development of settlements, especially when they become arterial, constitutes an obstacle capable of eroding the system of connections and weakening their ecological functions. In this case, it is evident how the rural area is called to carry out a role of ecological linking between the forest complexes at its sides. Presov Regiona, Slovakia. C6 Components– Valley with intensive agriculture Components character The systems of relationships that “valley floors with intensive agriculture” establish with their surrounding contexts can be complex. The most frequent case is the gradual movement towards the “extensive rural hill” context. Landscape features The valley floor of the hill/mountain areas hosts contemporary settlements that may even be large and which signal, from the compositional and formal point of view, a sharp detachment from the surrounding rural landscape. Ecological features In such a case, significant ecological relationships dictated by the divisions of the same components remain. In other, rarer cases, such as the one shown in the image, movement to a completely different context, the “Alpine” context of the Tatra Mountains, is highlighted by a clear discontinuity. In this case, the theme is to understand the functional relationships established between the cultivated plain areas and the forest formations creeping into the valley floor from the hills. Poprad, Slovakia. C6 Components– Valley with intensive agriculture Landscape features The industrial complex on the edge of Lake Čanianské jazerá in an area adjacent to the urban centre of Košice represents a very “strong” element decidedly disconnected from the humid landscape in this context. Ecological features Among the components of valley floor contexts, we highlight the humid areas, whether natural or artificial, that together with waterways qualify the territory from an ecological point of view. The ecological richness of these environments is evident, even when they are positioned close to settled areas. To fully express their potential, however, it is necessary that management recognizes the multiple functions they can carry out, whether of a recreational or strictly environmental type. Nearby Kosice Context 7 – Mountain valleys Context character The expansion of valley floor settlements is a diffuse phenomenon in Alpine contexts. Landscape features The plain areas, or valleys, and less steep areas of the Alpine landscape become more sensitive to the phenomenon of settlement sprawl. Ecological features The image shows how cultivation has been reduced significantly in large plain areas to make way for settlements. If not duly managed, this tendency leads, at least locally, to direct contact between forest areas and constructed areas, with negative effects for biocenoses closely linked to the former, given that many species often use agricultural fields as sources of food. Gesause, Austria Context 7 – Mountain valleys Context character In the valley floor areas of the “Alpine” context, a complex mosaic is frequently observed, in which different environmental components interact in an indissoluble way. Landscape features Rising in altitude, most areas that are less steep are settled, especially close to areas dedicated to tourism linked to Alpine skiing and, more recently, to hiking. Ecological features Corvara in Badia, Alta Badia, Italy It can easily be observed how agriculture extends around the core, originally linked to agriculture and forestry and today expanded to tourism development, which, proceeding along the slopes, tends to progressively fragment due to penetration into the forest, which becomes continuous on the higher slopes. It is evident that this equilibrium could disappear if settlement expansion should lead to the welding together of inhabited areas. At this point, an ecological barrier between the two sides of the valley would be created. C8 Component – Mountain forest complexes Component character Landscape features Forested zones occupy the steepest mountainsides below the tree line. Some valley floor areas are used for agricultural/forest activities. Ecological features Forest complexes, which typically characterize the entire “Alpine” context, giving it a natural aspect, are in reality subject to intense management that has radically changed their structure and composition. In particular, the diffusion of conifers has been favoured to the detriment of native broad-leaf trees due to their greater commercial value. The ecological effects of this should be studied carefully. Gesause, Austria C8 Component – Mountain forest complexes Component character Landscape features Limited sparse settlements are present at high altitudes on slopes where the steepness allows pastures to be used to raise cattle. Ecological features In areas dominated by forest, such as the Alpine areas, the presence of residual traditionally cultivated patches represents an important enrichment of the ecological offer, allowing for the permanence of peculiar and ever more rare biocenoses. Open spaces dedicated to agriculture are a fundamental component of the “Alpine” context, which therefore ensures their permanence, becoming an objective of primary importance for the conservation of flora and fauna. Gesause, Austria Context 8 – Mountain forest complexes LANDSCAPE FEATURES Forested zones occupy the steepest mountainsides below the tree line. Some valley floor areas are used for agricultural/forest activities. Limited sparse settlements are present at high altitudes on slopes where the steepness allows pastures to be used to raise cattle.. Austria Context 8 – Mountain forest complexes ECOLOGIC AL FEATURES Forest complexes, which typically characterize the entire “Alpine” context, giving it a natural aspect, are in reality subject to intense management that has radically changed their structure and composition. In particular, the diffusion of conifers has been favoured to the detriment of native broad-leaf trees due to their greater commercial value. The ecological effects of this should be studied carefully. In areas dominated by forest, such as the Alpine areas, the presence of residual traditionally cultivated patches represents an important enrichment of the ecological offer, allowing for the permanence of peculiar and ever more rare biocenoses. Open spaces dedicated to agriculture are a fundamental component of the “Alpine” context, which therefore ensures their permanence, becoming an objective of primary importance for the conservation of flora and fauna. Poloniny National Park, Slovakia Defining the model…. Through direct sampling, landscape features of the various contexts have emerged. When defining the model, it will be necessary to measure the evaluations relative to the different transport systems, both existing and programmed, on the basis of these initial characterizations, with particular attention to: - the landscape character of the site (protected areas or other areas of natural or landscape value) , its fragility, its carrying capacity, and the elements present that detract from the landscape or environment; - current ways to reach the site, evaluating their possible critical limits; - intersections and continuity within slow systems at the site in question and fast systems to reach or cross it; - the contiguity or proximity between the site and other areas with more accentuated transformational dynamics. Poloniny National Park, Slovakia