气候变化领域集成服务门户(CCPortal): Effects of landscape fragmentation of plantation forests on carbon storage in the Loess Plateau, China

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DOI	10.1007/s40333-024-0005-3
	Effects of landscape fragmentation of plantation forests on carbon storage in the Loess Plateau, China
	Lei, Hangyu; Duan, Dantong; Chen, Yi; Guo, Huifeng; Li, Jiangtao; Li, Xiang
发表日期	2024
ISSN	1674-6767
EISSN	2194-7783
起始页码	16
结束页码	2
卷号	16 期号:2
英文摘要	Tree plantation and forest restoration are the major strategies for enhancing terrestrial carbon sequestration and mitigating climate change. The Grain for Green Project in China has positively impacted global carbon sequestration and the trend towards fragmentation of plantation forests. Limited studies have been conducted on changes in plantation biomass and stand structure caused by fragmentation, and the effect of fragmentation on the carbon storage of plantation forests remains unclear. This study evaluated the differences between carbon storage and stand structure in black locust forests in fragmented and continuous landscape in the Ansai District, China and discussed the effects of ecological significance of four landscape indices on carbon storage and tree density. We used structural equation modelling to explore the direct and indirect effects of fragmentation, edge, abiotic factors, and stand structure on above-ground carbon storage. Diameter at breast height (DBH) in fragmented forests was 53.3% thicker, tree density was 40.9% lower, and carbon storage was 49.8% higher than those in continuous forests; for all given DBH>10 cm, the trees in fragmented forests were shorter than those in continuous forests. The patch area had a negative impact on carbon storage, i.e., the higher the degree of fragmentation, the lower the density of the tree; and fragmentation and distance to edge (DTE) directly increased canopy coverage. However, canopy coverage directly decreased carbon storage, and fragmentation directly increased carbon storage and tree density. In non-commercial forests, fragmentation reduces the carbon storage potential of plantation, and the influence of patch area, edge, and patchy connection on plantation should be considered when follow-up trees are planted and for the plantation management. Thus, expanding the area of plantation patches, repairing the edges of complex-shaped patches, enhancing the connectivity of similar patches, and applying nutrients to plantation forests at regular intervals are recommended in fragmented areas of the Loess Plateau.
英文关键词	landscape fragmentation; plantation; carbon storage; tree allometry; tree density; structural equation modelling
语种	英语
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
WOS记录号	WOS:001190562600002
来源期刊	JOURNAL OF ARID LAND
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/304594
作者单位	Northwest A&F University - China
推荐引用方式 GB/T 7714	Lei, Hangyu,Duan, Dantong,Chen, Yi,et al. Effects of landscape fragmentation of plantation forests on carbon storage in the Loess Plateau, China[J],2024,16(2).
APA	Lei, Hangyu,Duan, Dantong,Chen, Yi,Guo, Huifeng,Li, Jiangtao,&Li, Xiang.(2024).Effects of landscape fragmentation of plantation forests on carbon storage in the Loess Plateau, China.JOURNAL OF ARID LAND,16(2).
MLA	Lei, Hangyu,et al."Effects of landscape fragmentation of plantation forests on carbon storage in the Loess Plateau, China".JOURNAL OF ARID LAND 16.2(2024).