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1 Journal of Ecological Engineering

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What Can We Learn from Monitoring of Monumental Trees – A Case Study of the Jasienica and Jaworze Communes (Silesia, South Poland)

Pietraszko Ewa, Żarnowiec Jan, Szafran Sylwia, Zalot Tomasz, Dziergas Grzegorz, Jarosz Przemysław

Journal of Ecological Engineering

2022

Vol. 23, nr 6

129--138

The data of monitoring of natural monuments in the Jasienica and Jaworze communes (Silesian Voivodeship) deriving from 1999, 2008 and 2019 were compared between the periods and communes. The conducted studies involved determining metric data (including tree height and diameter at breast height – DBH) and assessing health condition of monumental trees. A total of 65 trees were included in the research from 2019, dominated by Quercus robur (28 specimens) and Tilia cordata (9). The health condition of trees was the result of the damage that occurred. Monumental trees in the Jasienica commune were characterized by average (60%) or poor (40%) health condition. In the Jaworze commune, merely 14% of trees have poor state of health. The remaining trees were in average (38%), satisfactory (26%) and good (22%) health condition.