Abstract
Abstract The article highlights the problem of spreading of the invasive species Heracleum sosnovskyi in mountainous geosystems in the border district of Turka in the Lviv region of Ukraine particularly along the border with Poland. The aim of the article was to investigate the areas covered and peculiarities of the spread of Heracleum sosnovskyi. The research methodology consisted of three consecutive steps: preparation, field work, and cameral. The following general scientific methods were used: system analysis and synthesis, comparison, ranking, and the special methods of geoecological studies: field, cartographic, drone survey and photofixation. During the field studies, we sampled seven model areas, representing mountain geosystems with different types of economic use and the presence of Heracleum sosnovskyi: - river valleys, uncultivated agricultural land, narrow strips along roads, abandoned territories. In one of the model areas, a drone survey was conducted, on the basis of which we charted a map presented in the article. We also analysed the stock data and the current state of distribution of the spread Heracleum sosnovskyi in village councils and in the region as a whole. The main problem with the uncontrolled spread of Heracleum sosnovskyi in Turka district is the lack of true data as to the extent of the environmental disaster and the absence of a systematic and planned fight control measures. The article describes the main recommendations for the effective control fight against of this invasive species using foreign experience.
Highlights
The spread of Heracleum sosnovskyi is an extremely urgent problem for Ukraine and for other European countries (Poland, Czech Republic, Latvia, Belarus) and needs to be solved as soon as possible, since it threatens natural biodiversity, agricultural development, and people's health
According to the official data from the Department of Ecology of the Lviv Regional Administration, the largest areas covered by the invasive H. sosnovskyi in the region are concentrated in the Turka district, which is located in the south-western part of the region and in the west, it borders upon the Lublin voivodeship of Poland
In addition to boundary regions, the development and implementation of effective means to fight against the spread of this invasive species is required by the village councils with a higher average cover value of H. sosnovskyi areas in the Turka district – Borynya, Mokhnate, Yavora, Nizhnye Vysotske
Summary
The spread of Heracleum sosnovskyi is an extremely urgent problem for Ukraine and for other European countries (Poland, Czech Republic, Latvia, Belarus) and needs to be solved as soon as possible, since it threatens natural biodiversity, agricultural development, and people's health. In order to belongs to the group of invasive species, these are choose effective control measures for H. sosnovskyi, allochthonic species with a significant capacity it is important to take into account the geographical for expansion, which spread naturally or artificially peculiarities of the territory and the environmental with the help of people and constitute a significant properties of the species These integrated ecological threat to certain geosystems, competing with and geographic studies, which are systematic and autochthonal species for ecological niches, causing take into account the principle of regionality, the death of local species, and rendering it impossible make these problems more reliably solvable. The plant is Carpathians, Heracleum carpaticum, Heracleum waterloving, but it does not withstand waterlogging, spotilium, and occasionally Heracleum palmatum it is frost-hardy, and capable of producing 15-100 thousand seeds per year (SHTOIKO, 2017)
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