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Title: SUMMER-STORM DAMAGES OF EUROPEAN ASPEN STANDS IN HEMIBOREAL FORESTS
SUMMER-STORM DAMAGES OF EUROPEAN ASPEN STANDS IN HEMIBOREAL FORESTS

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A. Jansons; R. Rieksts-Riekstins; I. Jaunslaviete; I. Desaine; R. Kapostins
10.5593/sgem2021/3.1/s14.81
1314-2704
978-619-7603-24-8
English
21
3.1
• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Forest Ecosystems
European aspen (Populus tremula L.) is fast growing, almost exclusively naturally regenerated trees species, significant for biodiversity, but also with notable financial value. It is prone to browsing damages and rot. Limited information on traits important to wind resistance had been collected so far and used to adapt models predicting wind damages in stands of these tree species. Main storms affect Northern Europe during winter time (when trees are at leaf-less state), however, summer storms are becoming frequent common and, with climate change, the vegetation period is increasing. Therefore information on wind damages in such tree state are important. Aim of our study was to assess the damages caused by summer wind-storm in European aspen stands.
Information of aspen with diameter at breast height (DBH) between 6 and 75 cm was collected in stands affected by storm of June 2021 in Northern part of Latvia. Tree heights, height of the green crown base and DBH were measured for wind-affected and unaffected trees. For broken trees the damage height was measured, for leaning or bent – the tilt angle.
Tree-scale parameters affecting probability and type of wind damages were calculated and compared to the previous assessments from controlled tree pulling tests and primarily winter storms. The loss of financial value due to damaged assortments was calculated.
conference
https://www.sgem.org/index.php/jresearch-article?citekey=Jansons202114649656
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21st International Multidisciplinary Scientific GeoConference SGEM 2021
21st International Multidisciplinary Scientific GeoConference SGEM 2021, 16 - 22 August, 2021
Proceedings Paper
STEF92 Technology
SGEM International Multidisciplinary Scientific GeoConference
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci
491-498
16 - 22 August, 2021
website
cdrom
8028
wind damages; storm damages; stem breakage; uprooting; Populous tremula