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Soil organic carbon stock capacity in karst dolines under different land usesBreg Valjavec, Mateja ...The soil organic carbon (SOC) was determined in soils of enclosed karst depressions (dolines) (NW Dinaric Mts.) to define their potential for organic carbon sequestration. SOC was measured in the ... forest, succession (scrubland), and grassland plots at the bottom of dolines at four depths (0–40 cm) and for 40 cm soil layer SOC stock was calculated. We demonstrated that the prevailing fine soil fractions, the C/N ratio and soil thickness play a positive role in the storage capacity of SOC in dolines regardless land use type. Grasslands have the lowest SOC storage capacity (106 t/ha/40 cm), while the highest SOC storage capacity is in succession plots (130 t/ha/40 cm). The last are covered by shrub communities dominated by Prunus spinosa, forming dense communities, and are typical of abandoned croplands or meadows that have been impacted by high levels of nutrients during cultivation phase. At this stage, there is no additional nutrient input in studied plots, which lowers the nutrient content and increases the C/N ratio. C/N ratio is the highest in the forest, where SOC stock capacity is 116 t/ha/40 cm. Given the trend towards the abandonment of agricultural land at Kras Plateau (SW Slovenia), we can expect more overgrowth of dolines, and thus an increase in carbon stocks and stabilization of organic carbon in forest soils. In contrary, we noticed the alarming decrease in grasslands and increase in urban land. The SOC storage in 2020 was for 12,538 t/ha/40 cm lower than in 2002. Although grasslands showed the lowest SOC storage, their contribution to total SOC storage in dolines is very important. Since there is a lack of studies on carbon stocks in doline soils, our research is of great importance and a novelty and gives an important background for further research on SOC stock in karst landscapes worldwide.Source: Catena : an interdisciplinary journal of soil science, hydrology- geomorphology focusing on geology and landscape evolution. - ISSN 0341-8162 (Vol. 218 [article no. 106548], November 2022, str. 1-10)Type of material - article, component partPublish date - 2022Language - englishCOBISS.SI-ID - 118832387
Link(s):
https://reader.elsevier.com/reader/sd/pii/S0341816222005343?token=C5DD34F75D7C0EB6D43DFFD8D1BA22BE74B1C33CE34D6DD425F4846C9BC05087696B2A810896536DDE1B71F0988C68A3&originRegion=eu-west-1&originCreation=20220822201058
https://doi.org/10.1016/j.catena.2022.106548
DiRROS - Digital repository of Slovenian research organizations
DOI
Author
Breg Valjavec, Mateja |
Čarni, Andraž |
Žlindra, Daniel |
Zorn, Matija |
Marinšek, Aleksander
Topics
sekvestracija ogljika |
kras |
travišča |
gozdovi |
grmišča |
vrtače |
organic carbon sequestration |
karst |
grassland |
forests |
scrubland |
dolines
Author | Breg Valjavec, Mateja ... |
Title | Soil organic carbon stock capacity in karst dolines under different land uses |
Publication date | 2022-08-12 |
COBISS.SI-ID | 118832387 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
Geografija Slovenije | P6-0101-2015 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Biodiverziteta: vzorci, procesi, predikcije in ohranjanje | P1-0236-2018 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Gozdna biologija, ekologija in tehnologija | P4-0107-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Koncept soodvisnosti v krasu: povezanost vrtač in jam z vidika antropogenih vplivov | J6-2592-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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source: Catena : an interdisciplinary journal of soil science, hydrology- geomorphology focusing on geology and landscape evolution. - ISSN 0341-8162 (Vol. 218 [article no. 106548], November 2022, str. 1-10)
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Breg Valjavec, Mateja | 27510 |
Čarni, Andraž | 10194 |
Žlindra, Daniel | 21137 |
Zorn, Matija | 22245 |
Marinšek, Aleksander | 20842 |
Source: Personal bibliographies
and: SICRIS
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