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Type of publication: conference paper
Type of publication (PDB): Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Aleinikovienė, Jūratė;Armolaitis, Kęstutis;Ankuda, Jelena;Jakutis, Audrius;Sivojienė, Diana;Mishcherikova, Valeriia
Title: Land use change response on an allocation of organic carbon in mineral topsoil
Is part of: AgroEco 2020 : 3rd International scientific virtual conference : Agroecosystem sustainability : links between carbon sequestration in soils, food security and climate change, Vytautas Magnus University Agriculture Academy, Lithuania, 2–3 December, 2020 : programme and abstracts. [Akademija] : Vytautas Magnus University.Agriculture Academy, 2020
Extent: p. 17
Date: 2020
Keywords: Soil;Land-use change;Organic matter;Organic carbon;Soil microbial biomass
ISBN: 9786094674662
Abstract: Land-use change drives both the turnover of soil organic matter (SOM) and the changes in soil organic carbon (SOC) storage. Meanwhile, the objective of this study was to determine SOM allocation into the SOC and into the soil microbial biomass (SMB) along the land use change. Composite soil samples were collected from the mineral topsoil (in 0-10 cm of the depth) of cropland, abandoned agricultural land, managed and unmanaged grassland and adjacent middle-aged and premature forest stands of different tree species, mainly Scots pine (Pinus sylvetris L.) and silver birch (Betula pendula Roth). It was estimated, that mean allocation of decomposed SOM into the SOC was higher in the silver birch stands (22.0–4.2 mg C g-1 of dry soil) and were significantly decreasing in Scots pine stands (10.1–14.4 mg C g-1 DS) and cropland (9.8–13.7 mg C g-1 DS). However, the SOC in abandoned agricultural land and in grassland was varying in relatively high extent, respectively, from 15.6 to 20.5 mg C g-1 DS and from 15.0 to 23.5 mg C g-1 DS and was higher than in cropland. There were estimated the significant link between the SOM allocation into the SMB and the vegetation composition in the land use change experimental sites. Thus, SMB carbon was significantly increasing mainly in the mineral topsoil of managed and unmanaged grassland (449–496 μg C g-1 DS) and were by 1.6-2.3 folds higher than in cropland (217–280 μg C g-1 DS) and 1.4–1.7 times higher than in the Scots pine stands (289–314 μg C g-1 DS) This research work was carried out to obtain the results funded by the EEA Financial Mechanism Baltic Research Programme in Estonia
Affiliation(s): Agronomijos fakultetas
Lietuvos agrarinių ir miškų mokslų centras
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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