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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Stravinskienė, Vida;Bartkevičius, Edmundas;Abraitienė, Jolita;Dautartė, Anželika
Title: Assessment of Pinus sylvestris L. tree health in urban forests at highway sides in Lithuania
Is part of: Global ecology and conservation. Amsterdam : Elsevier science BV, 2018, vol. 16
Extent: p. 1-10
Date: 2018
Note: article e00517
Keywords: Urban forests;Highway edges;Pinus sylvestris L;Condition;Health indicators
Abstract: Trees are often grown alongside roads in urban areas for their aesthetic and ecological values but are exposed to an array of natural and man-made stresses that impact on their overall health. The aim of this study was to determine the health of Scots pine ( Pinus sylvestris L.) trees growing in urban forests alongside the Vilnius e Kaunas e Klaip _ eda highway in Lithuania. Long-term monitoring was conducted between 1998 and 2014, when health indicators were evaluated in 714 trees at different distances from the high- way. The decrease of crown defoliation, amount of dead branches and foliage dis- colouration at all distances from the roadbed was detected. The results showed that trees furthest (450 e 500 m) from the roadbed were in better health than those growing close to the highway, exhibiting lowest crown defoliation (25.8 ± 1.6% in 1998, 12.3 ± 1.6% in 2014) compared with trees growing close to highway (47.2 ± 1.6% in 1998; 25.1 ± 1.7% in 2014), lowest foliage discolouration (14.8 ± 1.2% in 1998, 9.8 ± 0.8% in 2014), a lower amount of dead branches (14.8% ± 1.2% in 1998, 9.8% ± 0.8% in 2014) and a longer needle retention (3.2 ± 0.03 years in 2014 comparing with to 1.9 ± 0.02 close to the highway). The condition of the tree tops was good throughout the study period, with 77% of assessed trees being healthy. Statistically signi fi cant improvement in tree health was observed between 1998 and 2014, indicating an improvement in the overall health of the environment
Affiliation(s): Aplinkotyros katedra
Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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