Development of indicators for assessment of green infrastructure for a territorial network of ecological stability

  • J. Špulerová Institute of Landscape Ecology, Slovak Academy of Sciences
  • D. Štefunková Institute of Landscape Ecology, Slovak Academy of Sciences
  • C. Kulcsár Constantine the Philosopher University in Nitra
  • H. Kalivoda Institute of Landscape Ecology, Slovak Academy of Sciences
  • M. Vlachovičová Institute of Landscape Ecology, Slovak Academy of Sciences
  • D. Kočický ESPRIT spol. s r.o.
Keywords: landscape structure; biodiversity; nature conservation value; indicators; ecological networks.

Abstract

Landscape structure and biotic indicators have a significant role in assessing the green infrastructure of a landscape and design of a territorial ecological network. In this contribution, a methodological approach has been developed for assessing and defining indicators of current land use and biota that can be used for designing a territorial network of ecological stability. We used the assessment of ecological stability of the elements of the current landscape structure, an index of the ecological stability of a representative geo-ecosystem, the cumulative effect of high ecological stability landscape elements, and the Shannon Diversity Index (SHDI) to measure the degree of entropy, or landscape diversity. The assessment of biota was based on qualitative habitat field data and an evaluation of their overall nature conservation importance based on the type of land cover and habitats, the importance of habitats, their current conservation status, how many rare habitats are in a region, and how many vulnerable species are present in habitats. The assessment was applied on a local level, using the example of the Dolný Lopašov study area. The spatial distribution of green infrastructure is not balanced within the study area. The most significant elements of the ecological network consist of natural and semi-natural habitats that have a favourable conservation status. The Malé Karpaty Mountains, situated in the northern region, are forest-covered and have the highest ecological stability. Intensively cultivated fields are dominant in the central and southern parts of the study areas and are characterised by a low proportion of green infrastructure and low ecological stability. The results of the modelling of the cumulative impact of landscape elements on ecological stability by distance show that the cumulative impact of woodland elements positively affects the ecological stability of the area, especially in the area of intensively cultivated fields, an element with a low degree of ecological stability. Using selected indicators of current landscape structure and biota helps to assess the overall ecological stability of the area, identify the most stable areas, as well as areas with the lowest ecological stability, where it is necessary to complete and design new elements of green infrastructure to increase the function of the ecological network.

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Published
2023-05-02
Section
Articles