Nauka Przyroda Technologie

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2017 volume 11 issue 4, 427-444 http://dx.doi.org/10.17306/J.NPT.00198
Dorota Wrońska-Pilarek, Zenon Pilarek, Estera Jasińska, Krzysztof Konieczny, Nela Radzion, Jakub Jakubowski, Piotr S. Mederski
Updating the Inventory of Natural Monuments in the City of Poznań
Summary.

Background. According to the latest inventory by Batycki (2006), there were 34 natural monuments in Poznań. In 2016 the inventory was updated to determine qualitative and quantitative changes, to identify the most important threats and to make recommendations for protection.

Material and methods. The GPS location of all objects was given. The circumference and height of each tree was measured. Erratic boulders were inventoried. In addition, the health of the trees and the condition of the boulders was determined.

Results. In 2016 there were 32 natural monuments in Poznań, including eight avenues, five groups of trees, 16 individual trees and three erratic boulders, mainly located in the central and northern parts of the city. There were 906 objects protected by law, including 903 trees with the status of natural monuments (31 species) and three erratic boulders. Aesculus hippocastanum, Platanus ×hispanica and Tilia cordata were the most common tree species. The circumferences of the trees ranged from 14 to 590 cm, while the heights ranged from 2 to 34 m. The trees were usually in good, very good or in average health. The erratic boulders were in very good condition.

Conclusions. The condition of natural monuments in the city of Poznań was diversified. The most negative changes were noted in the avenues. Many trees require treatment and should be marked with new identification plates. The total number of natural monuments in Poznań was found to be very small. Therefore, actions should be taken to increase their number.

Key words: natural monuments, monumental trees, dendrological inventory, Poznań
PDFFull text available in Polish in Adobe Acrobat format:
http://www.npt.up-poznan.net/tom11/zeszyt4/art_40.pdf

http://dx.doi.org/10.17306/J.NPT.00198

For citation:

MLA Wrońska-Pilarek, Dorota, et al. "Aktualizacja inwentaryzacji pomników przyrody miasta Poznania." Nauka Przyr. Technol. 11.4 (2017): 427-444. http://dx.doi.org/10.17306/J.NPT.00198
APA Dorota Wrońska-Pilarek1, Zenon Pilarek2, Estera Jasińska1, Krzysztof Konieczny3, Nela Radzion1, Jakub Jakubowski2, Piotr S. Mederski4 (2017). Aktualizacja inwentaryzacji pomników przyrody miasta Poznania. Nauka Przyr. Technol. 11 (4), 427-444 http://dx.doi.org/10.17306/J.NPT.00198
ISO 690 WROńSKA-PILAREK, Dorota, et al. Aktualizacja inwentaryzacji pomników przyrody miasta Poznania. Nauka Przyr. Technol., 2017, 11.4: 427-444. http://dx.doi.org/10.17306/J.NPT.00198
Corresponding address:
Dorota Wrońska-Pilarek
Katedra Botaniki Leśnej
Uniwersytet Przyrodniczy w Poznaniu
ul. Wojska Polskiego 71 D
60-625 Poznań
Poland
e-mail: pilarekd@up.poznan.pl
Accepted for print: 30.11.-0001