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SANITARY STATE OF NORWAY SPRUCE (PICEA ABIES [L.] H. KARST.) YOUNG STANDS IN HYLOCOMIOSA, OXALIDOSA AND AEGOPODIOSA
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O. Miezite;J. Ruba;L. Sisenis;I. Liepa
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1314-2704
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English
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19
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1.4
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According to national forest statistics data of 2018, Picea abies occupies 18% of the forest area of Latvia. As a result of intensive forestry management a forest productivity and the diverse anthropogenic influences on forest ecosystems are significantly increased. During the life a growth of spruce young stands can be influenced not only by abiotic but also by various biotic and anthropogenic factors. An aim of the research was to analyze sanitary condition of the artificially regenerated young forest stands of P. abies growing on normally wet mineral soils at Hylocomiosa, Oxalidosa and Aegopodiosa forest site types located in north-eastern Latvia. Empirical data were collected in 17 young stands of P. abies. Abiotic damage not exceeded 3%. Damage caused by Dendroctonus micans Kug was most significant between insect damage. More intense damage caused by Artiodactylawas detected in all stands with rare undergrowth. The relationship between a total occurrence of trees damaged by various factors and intensity of damaging effect can be described most closely by linear equation (R2 = 0.992, ?=0.05).
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 9 - 11 December, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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381-388
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9 - 11 December, 2019
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website
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cdrom
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6624
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Hylobius abietis;Dendroctonus micans; root rot; Artiodactyla
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