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Frontiers of Agricultural Science and Engineering

ISSN 2095-7505

ISSN 2095-977X(Online)

CN 10-1204/S

Postal Subscription Code 80-906

Front. Agr. Sci. Eng.    2024, Vol. 11 Issue (3) : 355-366    https://doi.org/10.15302/J-FASE-2023534
Pursuing the goal of carbon neutrality in China: path for realization of carbon sequestration in planted forests
Lei DENG1,2, Haitao HU3, Jiwei LI1,2, Xue LI4,5, Chunbo HUANG6, Zhijing YU2, Hailong ZHANG2, Qing QU5, Xiaozhen WANG1, Lingbo DONG1, Zhouping SHANGGUAN1,5()
1. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China
2. College of Soil and Water Conservation Science and Engineering (Institute of Soil and Water Conservation), Northwest A&F University, Yangling 712100, China
3. Shaanxi Forestry Survey and Planning Institute, Xi’an 710000, China
4. College of Landscape Architecture, Northeast Forestry University, Harbin 150040, China
5. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, China
6. Key Laboratory of Regional Ecology and Environmental Change, School of Geography and Information Engineering, China University of Geosciences, Wuhan 430074, China
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Abstract

● Analyzes the current situation of planted forests construction in China.

● Summarizes the dynamic and benefit of C sequestration in plantation forest.

● Proposes the enhancement path of C sequestration for planted forests in China.

● Provides the path for realization of forest C sink trading in China.

● Suggests some insights for C sequestration and emission reduction in planted forests.

Tree plantations are an important forest resource that substantively contributes to climate change mitigation and carbon sequestration. As the area and standing volume of tree plantations in China have increased, issues such as unreasonable structure, low productivity, limited ecological functionality and diminishing ecological stability have occurred, which hinder the ability of tree plantations to enhance carbon sequestration. This study outlined the trajectory of carbon sequestration and its associated benefits in tree plantations by examining the current state of tree plantation establishment and growth, elucidated the strategies for advantages of carbon sequestration and climate change mitigation in planted forests, and summarized the existing problems with tree plantations. This paper underscores the pressing need for concerted efforts to boost carbon sequestration within planted forests and proposes management and development strategies for Chinese tree plantations. In the future, it will be necessary to apply scientific theories to practice and develop multi-objective management optimization models for the high-quality development of tree plantations. This will involve establishing a cohesive national carbon trading market, improving the prediction of carbon sequestration, and identifying priority zones for afforestation and reforestation, to better serve China’s national strategy for achieving peak carbon and carbon neutrality.

Keywords Planted forest      carbon stock      carbon sequestration      carbon management      climate change      promotion path     
Corresponding Author(s): Zhouping SHANGGUAN   
Just Accepted Date: 28 December 2023   Online First Date: 24 January 2024    Issue Date: 17 July 2024
 Cite this article:   
Lei DENG,Haitao HU,Jiwei LI, et al. Pursuing the goal of carbon neutrality in China: path for realization of carbon sequestration in planted forests[J]. Front. Agr. Sci. Eng. , 2024, 11(3): 355-366.
 URL:  
https://academic.hep.com.cn/fase/EN/10.15302/J-FASE-2023534
https://academic.hep.com.cn/fase/EN/Y2024/V11/I3/355
Fig.1  Planted forest area and standing stocks (a) as well as the percentage of planted forest area to forest area in China (b) during the previous National Forest Inventories.
Fig.2  Distribution of planted forest area (a) and standing stock (b) by age groups. You, young age group; Mid, middle age group; PreM, near-mature age group; Mat, mature age group; PostM, over-mature age Group.
Forest typeC stock calculation
Pinus koraiensis111.75/(1 + 7.9541e?0.0360 Age)
Abies fabri178.71/(1 + 5.7382e?0.0295 Age)
Picea asperata142.94/(1 + 7.9541e?0.0360 Age)
Tsuga chinensis101.98/(1 + 4.8039e?0.0201 Age)
Cupressus funebris78.39/(1 + 10.5681e?0.0443 Age)
Larix gmelinii67.85/(1 + 2.6594e?0.0696 Age)
Pinus sylvestris105.35/(1 + 10.8787e?0.1059 Age)
Pinus densiflora25.26/(1 + 2.3436e?0.0985 Age)
Pinus thunbergii30.88/(1 + 3.36e?0.0823 Age)
Pinus tabuliformis45.81/(1 + 12.2360e?0.1144 Age)
Pinus armandii47.58/(1 + 3.2828e?0.0678 Age)
Keteleeria fortunei33.59/(1 + 0.6470e?0.0238 Age)
Pinus massoniana37.53/(1 + 2.1735e?0.0522 Age)
Pinus yunnanensis75.61/(1 + 5.3342e?0.0736 Age)
Pinus kesiya49.99/(1 + 2.0674e?0.0878 Age)
Pinus densata81.25/(1 + 3.6259e?0.0578 Age)
Cunninghamia lanceolata36.2/(1 + 2.4369e?0.0963 Age)
Cryptomeria fortunei58.06/(1 + 2.5125e?0.1113 Age)
Metasequoia glyptostroboides70.18/(1 + 12.3200e?0.2046 Age)
Fraxinus mandschurica (or Juglans mandshurica)102.73/(1 + 8.0670e?0.0607 Age)
Cinnamomum camphora58.99(1 + 5.4000e?0.0566 Age)
Phoebe zhennan104.16/(1 + 9.1857e?0.0615 Age)
Quercus98.62/(1 + 8.4907e?0.0422 Age)
Betula80.27/(1 + 7.4789e?0.0516 Age)
Hard broadleaf77.82/(1 + 10.3130e?0.0492 Age)
Tilia tuan117.14/(1 + 7.8232e?0.0586 Age)
Sassafras tzumu101.81/(1 + 24.99e?0.1708 Age)
Eucalyptus robusta46.94/(1 + 7.1493e?0.1432 Age)
Casuarina equisetifolia77.69/(1 + 6.4432e?0.0698 Age)
Populus35.07/(1 + 1.4920e?0.1434 Age)
Aluerites fordii51.84/(1 + 4.0946e?0.0505 Age)
Soft broadleaf65.54/(1 + 5.2755e?0.1302 Age)
Other broadleaf96.27/(1 + 20.7297e?0.3534t)
Mixed Conifer77.88/(1 + 20.8042e?0.1017 Age)
Mixed Conifer and broadleaf145.48/(1 + 8.5774e?0.0560 Age)
Mixed broadleaf116.41/(1 + 12.2721e?0.1677 Age)
Tab.1  Logistic equation between biomass C stock and forest age of 36 forest types in China
Forest age (yr)Pure forests (Mg·ha?1·yr?1)Mixed forests (Mg·ha?1·yr?1)
< 5?0.430.54
6–100.891.47
11?200.451.02
> 200.180.34
Tab.2  C sequestration rate of afforestation age groups in pure forests and mixed forests
Fig.3  Path for enhancement of C sequestration for planted forests in China.
Fig.4  Path for realization of forest C sink trading.
Fig.5  Positive and negative forest thinning effects on vegetation and soil. SMC, soil moisture content; ST, soil temperature; SOC, soil organic carbon; DOC, soil dissolved organic carbon; MBC, soil microbial biomass carbon; AGC, aboveground biomass carbon stock of trees; DBH, average diameter at breast height of stand; H, average stand height; UVC, carbon stock of understory vegetation biomass; LBC, carbon stock of litter biomass; and FRC, fine root biomass carbon stock.
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