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Determinants and Specificity of the Urban Recreational Areas of Curitiba

100%

Kijowska J. , Faryś M.

2015

tom 13(1)

163-184

Recreational areas, especially with a large proportion of varied vegetation cover, play a key role in the agglomeration. They provide multiple opportunities for active recreation and leisure in an urban environment with characteristics similar to natural ones, but created by man. Curitiba is a city which is a good example of the design “according to nature,” which was initiated in the seventies by Mayor Jamie Larmier. Now the city can boast a very high percentage of green areas per inhabitant (up to 51,5 m2 per capita). In 1996, the city was recognized by the World Forum for Habitat II as the most innovative city in the world, particularly in terms of communication, environmental, and social solutions. The aim of this article is to analyze the multicultural urban recreation area of Curitiba, in particular, urban parks, forest parks and other recreational facilities, as well as, the factors determining their development, presentation of their specificity and diversity in the context of new trends, and the needs of the development of recreation in the city.

Recreation Areas Optimisation and Nature Exploitation in Urban Ecosystems

86%

Bezuhla L. , Bieloborodova M. , Bondarenko L. , Herasymenko T.

2023

tom 93

nr 3

55-68

It has been substantiated that the increase in the concentration of heavy metals in the environment has especially aggravated in the conditions of military operations on the territory of Ukraine. The use of woody plants for the purposes of phytoremediation is one of the most effective options for optimising the state of the environment in urban ecosystems, regardless of the nature and source of contamination by metallic elements, which is of significant relevance in the conditions of post-war environmental restoration of Ukraine. The purpose of the study is to explore the peculiarities of some heavy metals accumulation by the assimilation apparatuses of the black locust (Robinia pseudoacacia L.) plants growing in the recreational areas of the city of Dnipro in order to further optimise tree plantings with the aim of improving the environment. The content of heavy metal elements (Cu, Zn, Pb, and Cd) in the biomass of the Robinia pseudoacacia L. leaves and in the soils of Dnipro recreation areas has been determined. The intensity of the accumulation of heavy metals in the phytomass of the Robinia pseudoacacia L. represents the following sequence Zn > Cu > Pb > Cd, which demonstrates a more intense absorption and accumulation in the phytomass of the leafy fraction of Zn and Cu in the phytomass of the deciduous fraction, and less significant of Pb and Cd. With the help of geo-information systems, cartographic material has been developed. It demonstrates the concentration gradient of Pb, Cu, Cd, and Zn in the assimilation organs of the black locust plants in the city of Dnipro recreational areas. Based on the cartographic analysis, it has been proved that the general condition of the soils in the recreation areas of Dnipro is characterised by significant disproportions in the level of pollution. The maps show the existing potential of the accumulative capacity of Robinia pseudoacacia L. to deposit Pb, Cu, Cd, and Zn, which allows for additional city functional zoning by considering phytoremediation functions of the existing and planned green spaces.