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Article

Variations in Organic Carbon Content and Dehydrogenases Activity in Post-Agriculture Forest Soils: A Case Study in South-Western Pomerania

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Department of Soil Science and Land Reclamation, Poznań University of Life Sciences, Piątkowska 94, 60-649 Poznań, Poland
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Department of Construction and Geoengineering, Poznań University of Life Sciences, Pątkowska 94, 60-649 Poznań, Poland
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Author to whom correspondence should be addressed.
Academic Editors: Cezary Kabała, Ewa Blonska and Jarosław Lasota
Forests 2021, 12(4), 459; https://doi.org/10.3390/f12040459
Received: 15 February 2021 / Revised: 13 March 2021 / Accepted: 7 April 2021 / Published: 9 April 2021
Temperate forest soils of Europe are regarded as an important sink of carbon and thought to have potential to sequester CO2 from atmosphere. However, there are insufficient data not only on organic carbon (OC) content in forest soils and its temporal changes but also on microbiological activity and especially their relationship to carbon turnover. In this study seven research plots were located on afforested land in the north-western part of Poland in Tuczno Forest District (Western Pomerania) in order to examine seasonal variation in OC content and dehydrogenases activity (DHA) during 2012–2016. Based on the studies conducted, statistically significant seasonal variation of the OC content was observed. Higher amounts of OC in the A horizon were observed during spring and autumn seasons and lower in summer. However, no seasonal variation on OC content was observed in the organic horizon (O horizon). Although DHA is thought to exhibit strong seasonal variability, no seasonal variation on DHA was observed. However, a statistically significant difference was observed among studied years (2012–2016), a sharp drop of DHA was noted from spring 2014. Statistical analyses revealed that OC content in soils was a function of forest stand age and progressing acidification of soil. Moreover, OC content in O horizon was negatively correlated with soil moisture and DHA, suggesting that periods with higher microbial activity lead to lower accumulation of carbon in the O horizon. During 2012–2016 only for the O horizon was an increase in OC content was observed. View Full-Text
Keywords: temperate forest soil; soil organic carbon; dehydrogenases activity; change point analysis; seasonal variations temperate forest soil; soil organic carbon; dehydrogenases activity; change point analysis; seasonal variations
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MDPI and ACS Style

Wiatrowska, K.; Komisarek, J.; Olejnik, J. Variations in Organic Carbon Content and Dehydrogenases Activity in Post-Agriculture Forest Soils: A Case Study in South-Western Pomerania. Forests 2021, 12, 459. https://doi.org/10.3390/f12040459

AMA Style

Wiatrowska K, Komisarek J, Olejnik J. Variations in Organic Carbon Content and Dehydrogenases Activity in Post-Agriculture Forest Soils: A Case Study in South-Western Pomerania. Forests. 2021; 12(4):459. https://doi.org/10.3390/f12040459

Chicago/Turabian Style

Wiatrowska, Katarzyna, Jolanta Komisarek, and Janusz Olejnik. 2021. "Variations in Organic Carbon Content and Dehydrogenases Activity in Post-Agriculture Forest Soils: A Case Study in South-Western Pomerania" Forests 12, no. 4: 459. https://doi.org/10.3390/f12040459

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