Walory przyrodniczo-krajobrazowe i kulturowe doliny rzeki Główna
Nature-landscape and cultural values of the Główna River valley

Summary/Abstract: The development and expansion of ecotourism can be enhanced considerably by attractive landscape areas situated in close neighbourhood of big towns and cities as exemplified by Wierzenica and its surroundings situated near Poznań. The village is associated with the patron of the Poznań Agricultural University. The study presents an assessment of the natural value of meadow communities which are found in the Główna River valley near Wierzenica. In addition, on the basis of literature data, floristic peculiarities of the nearby forests which form part of the Zielonka Primeval Forest were described. When evaluating the cultural significance of this region, the authors relied on their own observations, information obtained from interviews with inhabitants of the village and literature data. Moraine hillocks, picturesque small valleys, ditches and ravines as well as beautiful tree alleys harmonise perfectly with the existing monuments as well as the preserved original design of the village. The natural peculiarities of the area include: common oak trees (Quercus robur) with 500–630 cm circumference, a pine tree ravine, white poplar (Populus alba), while the occurring diversified site conditions contribute to the development of meadow communities of high index of floristic variation ranging from 1.96 to 3.51. Despite the fact that nearly 98% of plants were classified as plants of mezzohemorobe and euhemorobe sites and the synanthropisation index reached 78.6%, the natural and scenic as well as the cultural value of the Główna River valley allow and encourage various forms of ecotourism.

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