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Title: TREE LITTER PRODUCTION IN GREY ALDER (ALNUS INCANA) STANDS ON DRY AND WET MINERAL SOILS
TREE LITTER PRODUCTION IN GREY ALDER (ALNUS INCANA) STANDS ON DRY AND WET MINERAL SOILS

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Karlis Bickovskis; Aris Jansons; Valters Samariks
10.5593/sgem2023V/3.2/s14.43
10.5593/sgem2023v/3.2
1314-2704
978-619-7603-64-4
English
23
3.2
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Forest Ecosystems
Forests play an important role in carbon storage and global carbon cycling. The processes of litter decomposition, movement within the soil, and incorporation into different soil layers play a crucial role in the functioning of forest ecosystems. These activities are important in regulating the cycling of soil organic matter and the storage and release of carbon into the atmosphere. Soil carbon and carbon input via litter has been well-recognized, however studied relatively less compared to other carbon pools, but local estimates are necessary to reduce uncertainties and due to climate change mitigation goals. The aim of the study is to evaluate differences in tree litter production in different age classes and forest types in grey alder (Alnus incana) dominated forests. In total 12 grey alder stands were selected to represent each age class (10-year interval) in two different soil moisture regimes (dry and wet mineral soils). In each stand 4 litter collectors were placed in a transect and samples collected every month for a full year. Each sample was air dried until constant weight and weighted afterwards to determine litter dry-weight. Our study results indicate seasonal differences in litter production, however significant differences between average litter production of grey alder stands in dry and wet mineral soils was not observed. Moreover, litter production amount is lower for younger stands and increases with age, as study results indicate that main factor determining litter production is stand basal area.
The research was funded by ERDF project “Tool for assessment of carbon turnover and
greenhouse gas fluxes in broadleaved tree stands with consideration of internal stem
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conference
https://doi.org/10.5593/sgem2023V/3.2/s14.43
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Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 28-30 November, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
343-350
28-30 November, 2023
website
9426
carbon, hemiboreal, litterfall, litter flux

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