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Title: GROUND VEGETATION BIOMASS AND CARBON POOL IN HEMIBOREAL OLD-GROWTH CONIFEROUS STANDS ON ORGANIC SOILS
GROUND VEGETATION BIOMASS AND CARBON POOL IN HEMIBOREAL OLD-GROWTH CONIFEROUS STANDS ON ORGANIC SOILS

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Valters Samariks; Ieva Jaunslaviete; Andis Adamovics; Sabine Dubasinska; Aris Jansons
10.5593/sgem2024v/3.2/s13.36
10.5593/sgem2024v/3.2
1314-2704
978-619-7603-76-7
English
24
3.2
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Forest Ecosystems and Sustainable Forestry
Forest ground vegetation biomass plays a significant role in carbon (C) storage and contributes to the overall carbon pool of forest ecosystems. Ground vegetation, including understory plants, shrubs, and grasses, not only affects carbon sequestration through photosynthesis but also contributes to the carbon cycle as it decomposes and release carbon into atmosphere and soil. This process adds to soil organic matter and affects it carbon dynamics. Understanding the above and below-ground biomass of forest ground vegetation and its associated carbon pool is essential for improving local and global estimates of carbon storage and cycling, especially in forests on organic soils where the information is scarce.
A total of 12 study sites were selected, with six stands dominated by Norway spruce (Picea abies (L.) H. Karst.) and six stands dominated by Scots pine (Pinus sylvestris L.). Of the selected stands, six were on drained organic soils and six on undrained organic soils. In each study site, four samples of ground vegetation biomass (both above- and below-ground) were collected in tree replicates. Each sample (above- and below-ground) was sorted into three groups (herbs, shrubs, trees), air-dried until reaching a constant weight, and then weighed to determine dry weight and carbon content.
Our study provides novel information on ground vegetation biomass and C pool estimates in old-growth stands dominated by different coniferous tree species in the hemiboreal region. Ground vegetation biomass and carbon pools were similar between drained and undrained stands.
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The study was funded by the European Regional Development Fund Project “Development of a decision support tool integrating information from old-growth semi-natural forest for more comprehensive estimates of carbon balance” (No. 1.1.1.1/16/A/130) and Rural Support Service project “The role of old-growth forests in climate change mitigating: information for forest sector policy makers in Latvia and the European Union” (No. 10.9.1-11/24/1841-e).
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https://doi.org/10.5593/sgem2024v/3.2/s13.36
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Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024
24th International Multidisciplinary Scientific GeoConference SGEM 2024, 27 - 30 November, 2024
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, 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.
285-294
27 - 30 November, 2024
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10080
climate change mitigation, overmature stands, peat soil, forest amelioration

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