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UID:pretalx-foss4g-2022-academic-track-FLDTX8@talks.osgeo.org
DTSTART;TZID=CET:20220824T171500
DTEND;TZID=CET:20220824T174500
DESCRIPTION:In northern Italian mountainous regions\, forests are invading 
 pastures and abandoned cultivated surfaces leading to an important land-us
 e change phenomenon and reducing those open areas that are fundamental for
  ecological purposes [1]. \nThe research here presented\, focuses on a mul
 tiobjective and contemporary assessment methodology of two or more multicr
 iteria analyses applied in the identification of the most suitable areas f
 or agricultural purposes between those surfaces that have been invaded by 
 forests carried out using Free and Open Source Software for Geospatial (FO
 SS4G) software. The analysis of the areas was determined by taking into ac
 count their intrinsic characteristics and their spatial location in relati
 on to the territory and started from previous studies on land use in the A
 utonomous Province of Trento (Italy). The pilot areas are three municipali
 ties that are part of Trento’s Province: the municipality of Trento - th
 e Province’s capital\, the municipality of Pergine Valsugana and seven m
 unicipalities that are part of the Piana Rotaliana region. Almost 88% of t
 he Municipalities are located at an altitude of more than 600 m above sea 
 level reflecting the peculiar topography of the province made up of valley
 s and high mountains with high percentages of steep slopes [2].  In Trento
 \, the overall density is 742 inhabitants per square kilometers and the pr
 essure on urban and peri-urban areas is nine times higher than the rest of
  the province [51]. 20% of Trento’s territory is classified as agricultu
 ral and 50% as forest or pasture land. About 70% of the territory is cover
 ed by silvopastoral -agricultural areas\, the remaining 30% is categorized
  as urban. The repartition of the province’s surface is similar to the o
 ne of the city of Trento: 61% of the territory is covered by forests\, 33.
 6% by agricultural areas\, and only 5% by other types of land use. Collect
 ive bodies and public actors manage most of these silvopastoral -agro-fore
 stal areas whose ownership is collective and is managed following the “u
 so civico” rights\, a customary right embedded within the properties of 
 communities and villages [52]. Therefore\, profit is not their main aim.\n
 This study has been part of the SATURN European project [3] funded by EIT 
 Climate-KIC (November 2018-December 2021). Three city-regions have been in
 volved: the Trentino region in Italy\, Birmingham in the United Kingdom\, 
 and Gotheborg in Sweden. The project aimed to reintegrate natural resource
 s into cities' climate change adaptation strategies and to expand and nurt
 ure its model by creating a broader initiative involving an increasing num
 ber of stakeholders. Geospatial data set was georeferenced and managed wit
 h GRASS and QGIS and the files were collected combining data freely availa
 ble at the Autonomous Province of Trento as well as self produced during t
 he project. \nThe comparative analysis and methodology were carried out by
  means of QGIS 3.8 Geographic Information System that has been used to com
 plete the analysis in order to develop a methodology that can be widely us
 ed by territorial operators and Public Administrations.\nThrough a series 
 of multi-criteria analyses [4] of the agricultural and ecological vocation
  of a given region\, and more specifically of abandoned agricultural areas
 \, it was possible to create initial maps assigning values according to sp
 ecific considered aspects. To lead these analyses\, it was necessary to co
 llect and select a significant amount of georeferenced data and then stand
 ardise them. Synthesis analyses have been useful to compare the ecological
  and agricultural aspects and to integrate them in synthesis maps\, which 
 can be used in the future for land management and planning. \nIn order to 
 validate the model and to verify the results\, on-site inspections were ca
 rried out both in Valsugana and in Val d'Adige.\nTechnicians and experts h
 ave been involved in the research through focus groups\, organised within 
 the SATURN project\, which allowed some general criticalities of the terri
 tory to emerge\, and through the completion of a questionnaire proposed wi
 thin the thesis work. Through these questionnaires\, it has been possible 
 to identify the most important criteria for assessing a plot of land from 
 an ecological and agricultural point of view.\nThe obtained results showed
  how the classical approach\, based on single criteria analysis\, differ f
 rom the multicriteria approach for its potential to produce a more precise
  and clearer classification output of the aspects considered\, showing the
  two multi-criteria analyses and their dependence on a single final map. S
 ignificant advantages have been taken from the use of this method in terms
  of data and information exchange between the stakeholders and in terms of
  a deepen understanding of the characteristics of the areas that have been
  analysed.\nThe proposed methodology and the script that has been develope
 d can be used in order to better plan forest management and as a basis for
  future territorial plans. \nMoreover\, the multicriteria approach\, which
  initially provides for a separate analysis of the research layers and the
 n integrates them into a single final output\, may represent a starting po
 int for ecosystem evaluations. Preserving the ecosystem of an area\, or ra
 ther the mosaic of ecosystems that make it up\, is in fact of fundamental 
 importance\, as is succeeding in creating an eco-sustainable environment. 
 In order to achieve this\, it is necessary to have a spatial planning proc
 ess that is as accurate as possible and that evaluates all the ecological 
 criteria in a diversified manner with respect to the criteria of the objec
 t of research\, so as to be able to identify key elements. \nThe model pre
 sented can be replicated by changing the current research object\, i.e. ag
 ricultural assessment\, and keeping the ecological assessment instead.\nFu
 ture development will foresee the transformation of the Python script into
  a plug-in for Qgis\, guaranteeing greater functionality for those who wis
 h to use it.
DTSTAMP:20260613T001114Z
LOCATION:Room Modulo 3
SUMMARY:Multiobjective analysis of open areas invaded by forest with open s
 ource software: the case of the SATURN project - Angelica Pianegonda
URL:https://talks.osgeo.org/foss4g-2022-academic-track/talk/FLDTX8/
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