Successional Variation in the Soil Microbial Community in Odaesan National Park, Korea

Hanbyul Lee, Seung-Yoon Oh, Young Min Lee, Yeongseon Jang, Seokyoon Jang, Changmu Kim, Young Woon Lim and Jae-Jin Kim
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Hanbyul Lee: Division of Environmental Science & Ecological Engineering, College of Life Sciences & Biotechnology, Korea University, Seoul 02841, Korea
Seung-Yoon Oh: Department of Biology and Chemistry, Changwon National University, Changwon 51140, Korea
Young Min Lee: Division of Environmental Science & Ecological Engineering, College of Life Sciences & Biotechnology, Korea University, Seoul 02841, Korea
Yeongseon Jang: Division of Special Forest Production, National Institute of Forest Science, Seoul 02455, Korea
Seokyoon Jang: Division of Environmental Science & Ecological Engineering, College of Life Sciences & Biotechnology, Korea University, Seoul 02841, Korea
Changmu Kim: Microorganism Resources Division, National Institute of Biological Resources, Incheon 22689, Korea
Young Woon Lim: School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul 08826, Korea
Jae-Jin Kim: Division of Environmental Science & Ecological Engineering, College of Life Sciences & Biotechnology, Korea University, Seoul 02841, Korea

Sustainability, 2020, vol. 12, issue 11, 1-13

Abstract: Succession is defined as variation in ecological communities caused by environmental changes. Environmental succession can be caused by rapid environmental changes, but in many cases, it is slowly caused by climate change or constant low-intensity disturbances. Odaesan National Park is a well-preserved forest located in the Taebaek mountain range in South Korea. The forest in this national park is progressing from a mixed-wood forest to a broad-leaved forest. In this study, microbial community composition was investigated using 454 sequencing of soil samples collected from 13 different locations in Odaesan National Park. We assessed whether microbial communities are affected by changes in environmental factors such as water content (WC), nutrient availability (total carbon (TC) and total nitrogen (TN)) and pH caused by forest succession. WC, TC, TN and pH significantly differed between the successional stages of the forest. The WC, TC and TN of the forest soils tended to increase as succession progressed, while pH tended to decrease. In both successional stages, the bacterial genus Pseudolabrys was the most abundant, followed by Afipia and Bradyrhizobium . In addition, the fungal genus Saitozyma showed the highest abundance in the forest soils. Microbial community composition changed according to forest successional stage and soil properties (WC, TC, TN, and pH). Furthermore, network analysis of both bacterial and fungal taxa revealed strong relationships of the microbial community depending on the soil properties affected by forest succession.

Keywords: bacterial and fungal community; forest soil; microbial network; succession; vegetation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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