Carbon storage and its distribution pattern in the natural<i>Larix gmelinii</i>forests on Daxing'an mountains

Yawei, 魏亚伟 Wei; Wangming, 周旺明 Zhou; Li, 周莉 Zhou; Dapao, 于大炮 Yu; Yongbin, 周永斌 Zhou; Shengjin, 秦胜金 Qin; Limin, 代力民 Dai

doi:10.5846/stxb201407271520

Cited by 2 publications

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“…In this investigation, as soil depth increased, soil carbon storage under various thinning intensities declined. Additionally, surface layer soil bulk density is higher than bottom layer soil bulk density, which is consistent with earlier research and is linked to the action of plant roots and soil organisms that reduce soil depth-related carbon storage [52,53]. When the thinning intensity is 22%, soil carbon storage is improved, and ecosystem carbon storage can be significantly increased.…”

Section: Effect Of Thinning On Soil Carbonsupporting

confidence: 89%

Effects of Different Thinning Intensities on Carbon Storage in Pinus koraiensis Middle-Aged Plantations in Northeast China

Sakib,

Poudel,

Hao

et al. 2024

Forests

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Forest ecosystems are essential to the global carbon cycle because they are the biggest terrestrial carbon reserves. In the management of forests, thinning is a commonly employed strategy, impacting the respiration and biomass loss of trees, thereby modifying forest carbon dynamics. However, there is a lack of scientific research to confirm the impacts of thinning intensities on carbon storage in trees, soil layers, shrubs, and ground vegetation layers as well as its impact on wood production and growth rate. The goal of this study was to find the optimal thinning levels for increasing carbon sequestration during the growth stage of the Korean pine (Pinus koraiensis) middle-aged plantations in Northeast China. In this study, thinning intensity (0, 10, 11, 16, 18, and 22%) affected the carbon storage of trees, tree growth, volume, and, we suspected, soil layer, shrubs, and vegetation (herbs, litter, and grass) also. Specifically, after four years of thinning, the 18% treatment significantly increased total carbon storage, individual organ storage, growth, and tree volume (p < 0.05). These results give us abundant information about how thinning affects the dynamics of carbon storage, wood production, and the interactions between soil and plants in P. koraiensis plantations, contributing to multi-objective management strategies for optimizing carbon sequestration, wood production, and ecosystem health.

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Section: Effect Of Thinning On Soil Carbonsupporting

confidence: 89%

Effects of Different Thinning Intensities on Carbon Storage in Pinus koraiensis Middle-Aged Plantations in Northeast China

Sakib,

Poudel,

Hao

et al. 2024

Forests

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Carbon storage and carbon pool characteristics of Larix gmelinii forest in Daxing’anling, Inner Mongolia, China

Zhao,

Yue,

Qin

et al. 2024

Front. For. Glob. Change

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Larix gmelinii is an important ecological construction tree species in northern China, and its carbon storage and distribution characteristics are of great significance for evaluating the carbon balance and climate effect of forest ecosystems. However, at present, there is a lack of systematic research on the carbon storage of L. gmelinii forests and its change with forest age. In this paper, the biomass and carbon density of L. gmelinii forests at different ages and the distribution of carbon storage in vegetation and soil were analyzed by means of sample plot investigation and model simulation in the northern forest area of Daxing’anling, Inner Mongolia. The influence of forest age on the carbon storage and carbon pool distribution characteristics of L. gmelinii forests and the mechanism of influencing factors were also discussed. Results show that: (1) As forest age increased, the total amount of carbon pools initially increased and then decreased, and the distribution structure of carbon pools showed a trend of transferring from soil to trees. The proportion of soil carbon pools gradually decreased (72.72–51.87%), while the proportion of tree carbon pools gradually increased (23.98–39.33%). The proportion of shrub and grass carbon pools was also relatively stable (0.51–0.53%). (2) Soil carbon pool was affected by the input and output of soil organic matter, soil depth, soil carbon content, and soil bulk density, shrub–grass carbon pool was affected by undergrowth light conditions and soil moisture, litter carbon pool was affected by litter input and output, and the carbon pool of trees was affected by the growth rate and carbon balance of trees. This study provides scientific basis and management suggestions for the carbon storage capacity of L. gmelinii forests and the mitigation of climate change.

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Carbon storage and its distribution pattern in the naturalLarix gmeliniiforests on Daxing'an mountains

Cited by 2 publications

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Effects of Different Thinning Intensities on Carbon Storage in Pinus koraiensis Middle-Aged Plantations in Northeast China

Effects of Different Thinning Intensities on Carbon Storage in Pinus koraiensis Middle-Aged Plantations in Northeast China

Carbon storage and carbon pool characteristics of Larix gmelinii forest in Daxing’anling, Inner Mongolia, China

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