Naturalness level of land use in a hilly region in north-eastern Slovenia // Stopnja naravnosti gričevnatega sveta severovzhodne Slovenije z vidika rabe tal

  • Rok Ciglič
  • Gábor Nagy
Keywords: geography, hydrogeography, urbanity index, land-use change, geographical information systems, Pannonian low hills, Slovenia, //, geografija, hidrogeografija, stopnja urbanosti, spreminjanje rabe tal, geografski informacijski sistemi, panonska gričevja, Slovenija

Abstract

Researchers analyse land use status and its rates of change and try to define the most appropriate structure that suits the environmental characteristics. The article focuses on an analysis of the naturalness level of land use in three hilly regions in north-eastern Slovenia (Slovenske Gorice, Haloze, and Goričko) with the help of geoinformation tools. Land use structure is one of the best indicators of human presence in the landscape. The aim was to expose those parts of catchments that can be regarded as less natural or more natural. We divided the catchments into hydrogeographical areas and analysed them by calculating the urbanity index. The least natural areas in 2018 were located in Slovenske Gorice Hills and the most natural were those in Haloze. The urbanity index diminished between 2002 and 2018 for all the areas except two. The main reason for a higher average of naturalness level is overgrowth – changing agricultural areas into areas with bushes and trees. Natural disasters, e.g. floods and intensive erosion can be mitigated with suitable land use. //

Raziskovalci analizirajo stanje rabe tal in trende spreminjanja ter skušajo ugotoviti, kakšna struktura je okoljsko najbolj sprejemljiva. V prispevku smo se osredotočili na analizo rabe tal treh gričevnatih območij severovzhodne Slovenije (Slovenske gorice, Haloze in Goričko) z vidika stopnje naravnosti s pomočjo geoinformacijskih metod. Raba tal je namreč eden najbolj nazornih pokazateljev človekovega delovanja v pokrajini. Določiti smo želeli posamezna območja porečij, ki jih lahko označimo za bolj naravna, in območja, ki so manj naravna. Porečja smo razdelili na hidrogeografska območja in jih analizirali glede na indeks urbanosti. Glede na izračunane indekse so bila v povprečju leta 2018 najmanj naravna območja v Slovenskih goricah, najbolj pa v Halozah. Indeks urbanosti se je od leta 2002 do 2018 sicer povsod zmanjšal, razen na dveh območjih. Vzrok za povečanje stopnje naravnosti v povprečju gre predvsem na račun zaraščanja oziroma spreminjanja nekoč kmetijskih zemljišč v zemljišča v zaraščanju. Z ustrezno rabo tal lahko omilimo naravne nesreče, na primer pojav poplav in povečane erozije.

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Published
2019-12-15
Section
Articles/članki