Comparisons of carbon and nitrogen dynamics of litterfall components in adjacent Pinus densiflora and Quercus variabilis stands

Byeonggil Choi, Gyeongwon Baek, Hyungsub Kim, Yowhan Son and Choonsig Kim
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Byeonggil Choi: Department of Forest Convergence Science, Gyeongsang National University, Jinju, South Korea
Gyeongwon Baek: Department of Forest Convergence Science, Gyeongsang National University, Jinju, South Korea
Hyungsub Kim: Division of Environmental Science and Ecological Engineering, Korea University, Seoul, South Korea
Yowhan Son: Division of Environmental Science and Ecological Engineering, Korea University, Seoul, South Korea
Choonsig Kim: Department of Forest Convergence Science, Gyeongsang National University, Jinju, South Korea

Journal of Forest Science, 2022, vol. 68, issue 8, 287-297

Abstract: This study aimed to determine the effects of the stand and month on the carbon (C) and nitrogen (N) concentrations and the inputs of the litterfall components in adjacent Pinus densiflora and Quercus variabilis stands. The monthly C concentrations of the litterfall components were significantly higher in the P. densiflora stand than in the Q. variabilis stand, whereas the monthly N concentrations of the leaf and miscellaneous litter were higher in the Q. variabilis stand than in the P. densiflora stand. The coefficient variations of the N concentrations were higher than those of C concentrations of the litterfall components. The monthly C and N inputs of the leaf litter showed a unimodal pattern in the Q. variabilis stand, whereas multimodal patterns in the P. densiflora stand could be seen. The annual total C inputs were not significantly different between the P. densiflora [2 691 kg(C).ha-1.yr-1] and Q. variabilis [2 439 kg(C).ha-1.yr-1] stands. However, the annual total N inputs were significantly higher in the Q. variabilis [44.5 kg(N).ha-1.yr-1] stand than in the P. densiflora [38.6 kg(N).ha-1.yr-1] stand. These results indicate that the C and N dynamics in the litterfall components were affected by the species and sampling months in adjacent P. densiflora and Q. variabilis stands.

Keywords: carbon; Korean red pine; litterfall components; nitrogen; oriental cork oak (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:68:y:2022:i:8:id:75-2022-jfs

DOI: 10.17221/75/2022-JFS

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