Comparative Analysis of Soil Respiration Dynamics and Heterotrophic Respiration Sensitivity to Warming in a Subalpine Coniferous Forest and a Subtropical Evergreen Broadleaf Forest in Southwest China

doi:10.1007/s42729-024-01852-4

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	Comparative Analysis of Soil Respiration Dynamics and Heterotrophic Respiration Sensitivity to Warming in a Subalpine Coniferous Forest and a Subtropical Evergreen Broadleaf Forest in Southwest China
	Phyo, Zayar; Wu, Chuansheng; Zhang, Yiping; Sha, Liqing; Song, Qinghai; Liu, Yuntong; Liang, Naishen; Myo, Sai Tay Zar; Lu, Zhiyun; Xu, Kung; Huang, Hua; Liu, Weiwei; Zhou, Wenjun
	2024
发表期刊	JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION
ISSN	0718-9508
卷号	24 期号:3 页码:4522-4537
摘要	To quantify variations in the components of soil respiration (Rs), elucidate the impact of warming on heterotrophic respiration (Rh) in subalpine coniferous forest (LJ) and in subtropical evergreen broadleaf forest (ALS), and discern differences in the dominant regulating factors of soil respiration components between the two forest ecosystems. This study used multichannel automated soil efflux chambers with three treatments: control (CK), trenching (NR), and trenching with warming (NRW) in LJ and ALS in Southwest China. The results reveal that Rs was higher in ALS than in LJ, and the ratio of Rh to Rs was significantly higher in LJ than in ALS. Although soil temperature (ST) and soil moisture (SM) also identified the main controlling factors of Rs, Rh, Ra, and the warming effect of Rh when considering carbon cycle modeling, the sensitivity of Rs to temperature (Q10) was not significantly different between Rs, Rh, and Ra for both forests. The greater warming effect on Rh in LJ than in ALS is due to the combination of lower temperatures, recalcitrant organic matter, and slower litter decomposition in subalpine coniferous forests. This study confirmed that Rs, Rh and Ra had positive correlation with ST and SM for two ecosystems. This study has proven that the greater the warming effect of Rh is, the greater the contribution of Rh to Rs becomes, and the lesser the contribution of Ra to Rs in LJ becomes compared to that of ALS.
DOI	10.1007/s42729-024-01852-4
WOS记录号	WOS:001250276500001
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/76376
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Phyo, Zayar,Wu, Chuansheng,Zhang, Yiping,et al. Comparative Analysis of Soil Respiration Dynamics and Heterotrophic Respiration Sensitivity to Warming in a Subalpine Coniferous Forest and a Subtropical Evergreen Broadleaf Forest in Southwest China[J]. JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION,2024,24(3):4522-4537.
APA	Phyo, Zayar.,Wu, Chuansheng.,Zhang, Yiping.,Sha, Liqing.,Song, Qinghai.,...&Zhou, Wenjun.(2024).Comparative Analysis of Soil Respiration Dynamics and Heterotrophic Respiration Sensitivity to Warming in a Subalpine Coniferous Forest and a Subtropical Evergreen Broadleaf Forest in Southwest China.JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION,24(3),4522-4537.
MLA	Phyo, Zayar,et al."Comparative Analysis of Soil Respiration Dynamics and Heterotrophic Respiration Sensitivity to Warming in a Subalpine Coniferous Forest and a Subtropical Evergreen Broadleaf Forest in Southwest China".JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION 24.3(2024):4522-4537.

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