The initial effects of microclimate and invertebrate exclusion on multi-site variation in the mass loss of temperate pine and oak deadwoods

Seongjun Kim; Seung Hyun Han; Guanlin Li; Yujin Roh; Hyun Jun Kim; Yowhan Son

doi:10.1038/s41598-021-94424-w

The initial effects of microclimate and invertebrate exclusion on multi-site variation in the mass loss of temperate pine and oak deadwoods

Seongjun Kim, Seung Hyun Han, Guanlin Li, Yujin Roh, Hyun Jun Kim, Yowhan Son

Division of Environmental Science and Ecological Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Quantifying deadwood decomposition is prioritized by forest ecologists; nonetheless, uncertainties remain for its regional variation. This study tracked variations in deadwood decomposition of Korean red pine and sawtooth oak in three environmentally different regions of the Republic of Korea, namely western, eastern, and southern regions. After 24 months, dead pine and oak woods lost 47.3 ± 2.8% and 23.5 ± 1.6% in the southern region, 13.3 ± 2.6% and 20.2 ± 2.8% in the western region, and 11.9 ± 7.9% and 13.9 ± 2.3% in the eastern region, respectively. The regional variation in the decomposition rate was significant only for dead pine woods (P < 0.05). Invertebrate exclusion treatment reduced the decomposition rate in all region, and had the greatest effect in the southern region where warmer climate and concentrated termite colonization occurred. The strongest influential factor for the decomposition of dead pine woods was invertebrate exclusion (path coefficient: 0.63). Contrastingly, the decomposition of dead oak woods was highly controlled by air temperature (path coefficient: 0.88), without significant effect of invertebrate exclusion. These findings reflect the divergence in regional variation of deadwood decomposition between pine and oak, which might result from the different sensitivity to microclimate and decomposer invertebrates.

Original language	English
Article number	14840
Journal	Scientific reports
Volume	11
Issue number	1
DOIs	https://doi.org/10.1038/s41598-021-94424-w
Publication status	Published - 2021 Dec

Bibliographical note

Funding Information:
The present study was supported by the research grant of the National Research Foundation of the Republic of Korea (NRF2018R1A2B6001012, 2015R1D1A1A01057124). The authors gratefully thank the assistances from Jongyeol Lee, Hanna Chang, Jiae An, Hyungsub Kim, Gwangeun Kim, Jusub Kim, Sohye Lee, and Minji Park, and Jisoo Kim of Ecosystem Ecology Laboratory of Korea University during the field measurements and wood sample preparation. Prof. Choonsig Kim of Gyeongnam National University of Science and Technology helped select and establish the sites in southern region.

Publisher Copyright:
© 2021, The Author(s).

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10.1038/s41598-021-94424-w

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title = "The initial effects of microclimate and invertebrate exclusion on multi-site variation in the mass loss of temperate pine and oak deadwoods",

abstract = "Quantifying deadwood decomposition is prioritized by forest ecologists; nonetheless, uncertainties remain for its regional variation. This study tracked variations in deadwood decomposition of Korean red pine and sawtooth oak in three environmentally different regions of the Republic of Korea, namely western, eastern, and southern regions. After 24 months, dead pine and oak woods lost 47.3 ± 2.8% and 23.5 ± 1.6% in the southern region, 13.3 ± 2.6% and 20.2 ± 2.8% in the western region, and 11.9 ± 7.9% and 13.9 ± 2.3% in the eastern region, respectively. The regional variation in the decomposition rate was significant only for dead pine woods (P < 0.05). Invertebrate exclusion treatment reduced the decomposition rate in all region, and had the greatest effect in the southern region where warmer climate and concentrated termite colonization occurred. The strongest influential factor for the decomposition of dead pine woods was invertebrate exclusion (path coefficient: 0.63). Contrastingly, the decomposition of dead oak woods was highly controlled by air temperature (path coefficient: 0.88), without significant effect of invertebrate exclusion. These findings reflect the divergence in regional variation of deadwood decomposition between pine and oak, which might result from the different sensitivity to microclimate and decomposer invertebrates.",

author = "Seongjun Kim and Han, {Seung Hyun} and Guanlin Li and Yujin Roh and Kim, {Hyun Jun} and Yowhan Son",

note = "Funding Information: The present study was supported by the research grant of the National Research Foundation of the Republic of Korea (NRF2018R1A2B6001012, 2015R1D1A1A01057124). The authors gratefully thank the assistances from Jongyeol Lee, Hanna Chang, Jiae An, Hyungsub Kim, Gwangeun Kim, Jusub Kim, Sohye Lee, and Minji Park, and Jisoo Kim of Ecosystem Ecology Laboratory of Korea University during the field measurements and wood sample preparation. Prof. Choonsig Kim of Gyeongnam National University of Science and Technology helped select and establish the sites in southern region. Publisher Copyright: {\textcopyright} 2021, The Author(s).",

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AU - Kim, Hyun Jun

AU - Son, Yowhan

N1 - Funding Information: The present study was supported by the research grant of the National Research Foundation of the Republic of Korea (NRF2018R1A2B6001012, 2015R1D1A1A01057124). The authors gratefully thank the assistances from Jongyeol Lee, Hanna Chang, Jiae An, Hyungsub Kim, Gwangeun Kim, Jusub Kim, Sohye Lee, and Minji Park, and Jisoo Kim of Ecosystem Ecology Laboratory of Korea University during the field measurements and wood sample preparation. Prof. Choonsig Kim of Gyeongnam National University of Science and Technology helped select and establish the sites in southern region. Publisher Copyright: © 2021, The Author(s).

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N2 - Quantifying deadwood decomposition is prioritized by forest ecologists; nonetheless, uncertainties remain for its regional variation. This study tracked variations in deadwood decomposition of Korean red pine and sawtooth oak in three environmentally different regions of the Republic of Korea, namely western, eastern, and southern regions. After 24 months, dead pine and oak woods lost 47.3 ± 2.8% and 23.5 ± 1.6% in the southern region, 13.3 ± 2.6% and 20.2 ± 2.8% in the western region, and 11.9 ± 7.9% and 13.9 ± 2.3% in the eastern region, respectively. The regional variation in the decomposition rate was significant only for dead pine woods (P < 0.05). Invertebrate exclusion treatment reduced the decomposition rate in all region, and had the greatest effect in the southern region where warmer climate and concentrated termite colonization occurred. The strongest influential factor for the decomposition of dead pine woods was invertebrate exclusion (path coefficient: 0.63). Contrastingly, the decomposition of dead oak woods was highly controlled by air temperature (path coefficient: 0.88), without significant effect of invertebrate exclusion. These findings reflect the divergence in regional variation of deadwood decomposition between pine and oak, which might result from the different sensitivity to microclimate and decomposer invertebrates.

AB - Quantifying deadwood decomposition is prioritized by forest ecologists; nonetheless, uncertainties remain for its regional variation. This study tracked variations in deadwood decomposition of Korean red pine and sawtooth oak in three environmentally different regions of the Republic of Korea, namely western, eastern, and southern regions. After 24 months, dead pine and oak woods lost 47.3 ± 2.8% and 23.5 ± 1.6% in the southern region, 13.3 ± 2.6% and 20.2 ± 2.8% in the western region, and 11.9 ± 7.9% and 13.9 ± 2.3% in the eastern region, respectively. The regional variation in the decomposition rate was significant only for dead pine woods (P < 0.05). Invertebrate exclusion treatment reduced the decomposition rate in all region, and had the greatest effect in the southern region where warmer climate and concentrated termite colonization occurred. The strongest influential factor for the decomposition of dead pine woods was invertebrate exclusion (path coefficient: 0.63). Contrastingly, the decomposition of dead oak woods was highly controlled by air temperature (path coefficient: 0.88), without significant effect of invertebrate exclusion. These findings reflect the divergence in regional variation of deadwood decomposition between pine and oak, which might result from the different sensitivity to microclimate and decomposer invertebrates.

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The initial effects of microclimate and invertebrate exclusion on multi-site variation in the mass loss of temperate pine and oak deadwoods

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