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Dynamics of ecosystem carbon balance recovering from a clear-cutting in a cool-temperate forest

Aguilos, Maricar; Takagi, Kentaro; Liang, Naishen et al.

Agricultural and Forest Meteorology, 2014, 197, 26-39

Permalink : https://hdl.handle.net/2115/57455

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アクセス権
open access
URI
https://hdl.handle.net/2115/57455
タイトル
Dynamics of ecosystem carbon balance recovering from a clear-cutting in a cool-temperate forest
著者
Aguilos, Maricar ; Takagi, Kentaro ; Liang, Naishen ; Ueyama, Masahito ; Fukuzawa, Karibu ; Nomura, Mutsumi ; Kishida, Osamu ; Fukazawa, Tatsuya ; Takahashi, Hiroyuki ; Kotsuka, Chikara ; Sakai, Rei ; Ito, Kinya ; Watanabe, Yoko ; Fujinuma, Yasumi ; Takahashi, Yoshiyuki ; Murayama, Takeshi ; Saigusa, Nobuko ; Sasa, Kaichiro
著者名
Aguilos, Maricar
e-Rad_Researcher
20322844
著者名
Takagi, Kentaro
e-Rad_Researcher
50391173
著者名
Liang, Naishen
e-Rad_Researcher
60508373
著者名
Ueyama, Masahito
e-Rad_Researcher
10456824
著者名
Fukuzawa, Karibu
著者名
Nomura, Mutsumi
e-Rad_Researcher
00545626
著者名
Kishida, Osamu
著者名
Fukazawa, Tatsuya
著者名
Takahashi, Hiroyuki
著者名
Kotsuka, Chikara
著者名
Sakai, Rei
著者名
Ito, Kinya
e-Rad_Researcher
30532452
著者名
Watanabe, Yoko
著者名
Fujinuma, Yasumi
e-Rad_Researcher
70167485
著者名
Takahashi, Yoshiyuki
著者名
Murayama, Takeshi
e-Rad_Researcher
00251017
著者名
Saigusa, Nobuko
e-Rad_Researcher
70125318
著者名
Sasa, Kaichiro
言語
英語
キーワード
BIOME-BGC
Carbon budget
Carbon compensation point
Clear-cutting
Forest disturbance
Sasa
発行日
2014-10-15
出版者
Elsevier Science
収録物名
Agricultural and Forest Meteorology
巻(号)
197
ページ
26-39
抄録
A mixed forest in northern Japan, which had been a weak carbon sink (net ecosystem CO2 exchange [NEE] = -0.44 +/- 0.5 Mg C ha(-1) yr(-1)), was disturbed by clear-cutting in 2003 and was replaced with a hybrid larch (Larix gmelinii x L. kaempferi) plantation in the same year. To evaluate the impact of the clear-cutting on the ecosystem's carbon budget, we used 10.5 years (2001-2011) of eddy covariance measurements of CO2 fluxes and the biomass observation for each ecosystem component. BIOME-BGC model was applied to simulate the changes in the carbon fluxes and stocks caused by the clear-cutting. After clear-cutting in 2003, the ecosystem abruptly became a large carbon source. The total CO2 emission during the first 3 years after the disturbance (2003-2005) was 12.2 +/- (0.9-1.5; possible min-max range of the error) Mg C ha(-1), yet gradually decreased to 2.5 +/- (1-2) Mg C ha(-1) during the next 4 years. By 2010, the ecosystem had regained its status as a carbon sink (NEE = -0.49 +/- 0.5 Mg C ha(-1) yr(-1)). Total gross primary production, ecosystem respiration, and NEE during the 7 years after the clear-cutting (2003-2009) were 64.5 +/- (2.6-7), 79.2 +/- (2.6-7), and 14.7 +/- (1.3-3.5) Mg C ha(-1), respectively. From 2003 to 2009, the understory Sasa biomass increased by 16.3 +/- 4.8 Mg C ha(-1), whereas the newly planted larch only gained 1.00 +/- 0.02 Mg C ha(-1). The BIOME-BGC simulated observed carbon fluxes and stocks, although further modification on the parameter set may be needed according with the tree growth and corresponding suppression of Sasa growth. Ecosystem carbon budget evaluation and the model simulation suggested that the litter including harvest residues became a large carbon emitter (similar to 31.9 Mg C ha(-1)) during the same period. Based on the cumulative NEE during the period when the forest was a net carbon source, we estimate that the ecosystem will require another 8-34 years to fully recover all of the CO2 that was emitted after the clear-cutting, if off-site carbon storage in forest products is not considered. (C) 2014 Elsevier B.V. All rights reserved.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
PISSN
0168-1923
NCID
AA10499788
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1016/j.agrformet.2014.06.002