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1 2012

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Negatywny wpływ rekreacji na wały przeciwpowodziowe Wielkiej Wyspy we Wrocławiu

Chmura K., Dzieżyc H., Piotrowski M., Zygnerska A.

Architektura Krajobrazu

2012

nr 4

40--48

Flood embankments, apart from their primary function, which is to protect against flooding, due to their unique nature and landscape value, serve also as a place of recreation. Some forms of recreation practiced on embankments and their surroundings may, however, have negative effects on the environment and, in particular, contribute to the formation of damage that worsen the condition of these structures. In the area of embankments of Wielka Wyspa in Wrocław covered by these studies the following phenomena were observed: accumulation of waste thrown out by resting people, burned out grass in the inter-embankment zone and on the slopes, loss of vegetation (trampling) within the crest and slopes and in areas of recreation as well as presence of stumps of dead trees planted in the past for recreational purposes on the slopes or crest. One of the most adverse phenomenon is destruction of herbaceous vegetation growing on the embankment slope, which is antierosion protection. It takes the form of losses of vegetation around barriers restricting movement of the motor vehicles on embankments as well as the form of "wild paths". The suggested solutions that will reduce the negative impact of recreation on the condition of Wielka Wyspa embankments include: continuous monitoring and maintenance of soil and vegetation with particular emphasis on areas exposed to human impact, rebuilding of barriers allowing pedestrians and cyclists to pass each other easily, creating hardened accesses to embankment in trampled areas (for example openwork plates or openwork pavement slabs).