Barniak, Joanna
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nauki o Ziemi i środowisku
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Item type:Article, Access status: Open Access , Atrakcyjność Pienińskiego Parku Narodowego w opinii turystów(Wydawnictwa AGH, 2018) Barniak, Joanna; Olucha, MaciejIn Poland national parks are places willingly visited by tourists. Among them the Pieniny National Park, which is one of the smallest national park in the country, is also very popular. Area of the Park covers a part of the Pieniny Mountains, visited by organized groups of tourists for almost 200 years. The Pieniny are characterized by natural values such as a specific geological structure, varied terrain and interesting vegetation cover. It is also characterized by the presence of cultural objects, viewpoints and organized events that can encourage tourists to visit. The purpose of the work was to identify the most attractive places and objects in the Park in the opinion of visitors. Survey research in the form of a diagnostic poll was carried out in the Park on the yellow trail from the Szopka Pass to the Krościenko. Landscape values and attractive hiking trails are the main advantages of the Park in tourists opinion. Three Crowns Mountain is the most attractive place, the Dunajec River Gorge rafting enjoys great popularity too. Tourists of the aged of 20 to 40 years old, with higher education who choose walking excursions, are persons mostly visiting the park. Short trips from 2 to 3 days long as well as day trip are the most popular stays in the Park. Respondents declare that they want to visit the Park again, which indicates its attractiveness. Taking into account above, it can be concluded that tourist traffic in the Pieniny National Park will increase.Item type:Article, Access status: Open Access , Impact of air pollution on forest stands in the vicinity of Wodzisław Śląski and Rybnik, Poland(Wydawnictwa AGH, 2019) Barniak, Joanna; Jureczko, AgnieszkaTree-ring analysis was used to investigate the impact of air pollution on forest stands in southern part of the Upper Silesia region of southern Poland. Four about 120 years old Scots pine stands located near Wodzisław Śląski and Rybnik were selected for study and 20 increment core samples from each stand were taken. All study stands were selected based upon their considerable exposure to air and dust pollution. The results of dendrochronological analysis showed strong and significant reductions in tree ring growth especially during the period from 1960 to 1990. A significant number of trees with reductions (85%) was observed in two Scots pine stands both of which are directly exposed to air pollution from mine-owned coking plant and power and heating plants. Since 1990s the improved growth of these pines was clearly noted. A comparison for the period 1970 to 1990 for stands located west from the main emitters’ versus stands east and directly exposed found fewer trees with growth reductions (ca. 40%). At the beginning of the 21$^{st}$ century, a large number of trees in these western stands were observed with growth reductions between 50 and 60%. Probably, these trees were affected by air pollution from a nearby power plant located immediately across the border in the Czech Republic. Relationships between periods of severe reductions in ring width growth or missing rings were noted in a large percentage of pine trees in all four stands, these cross-stand relationships suggested common weather related impacts. Missing rings were noted in 1956, 1963, 1968, 1970, 1971, 1973, 1976 and 1979.