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- W4206242273 abstract "粗死木质残体（CWD）是森林生态系统重要的结构性与功能性单元，作为连接植被碳库与土壤碳库的关键纽带，对全球森林生态系统碳循环发挥着重要而独特的作用，越来越多的学者开始关注CWD碳储量相关研究。系统阐述了国内外CWD碳储量研究的发展历程、研究范围与基本特征等内容，总结概括了CWD体积测算、CWD碳浓度估算等碳计量相关方法的研究进展。通过梳理发现：国内外学者对CWD碳储量的研究仍处于初级阶段，主要集中于探讨不同树种、不同林龄、不同腐解等级、不同海拔、不同存在形式的森林CWD碳储量分布特征，而较少关注CWD碳库对土壤碳库和植被碳库的作用机制以及对未来气候变化的响应和反馈机制；CWD碳计量方法较为单一，普遍采用的是传统的生物量-碳浓度法，而运用机器学习算法对CWD碳储量进行估算的研究尚不多见。此外，相对国外研究而言，国内研究主要局限于小尺度范围。文章据此提出未来CWD碳储量研究的发展方向：（1）拓展研究尺度，建立CWD碳储量长期观测体系；（2）深入开展不同森林生态系统CWD碳储量对气候变化的响应机制研究；（3）探索更加多元化的CWD碳储量计量方法；（4）深入探讨CWD碳库对土壤碳库与植被碳库的影响与作用机制。;Coarse woody debris (CWD) is an important structural and functional unit of forest ecosystems. As a key link between vegetation carbon pool and soil carbon pool, it plays an important and unique role in the global forest ecosystem carbon cycle. More and more researchers begin to pay attention to the research related to CWD carbon storage. In this paper, the development history, research scope and basic characteristics of CWD carbon storage research at home and abroad are systematically described, and the research progress of CWD volume measurement, CWD carbon concentration estimation and other related methods of carbon measurement are summarized. It is found that the research on CWD carbon storage by domestic and foreign researchers is still in its infancy stage, mainly focusing on the discussion of the distribution characteristics of forest CWD carbon storage in different tree species, different forest ages, different degradation levels, different altitudes, and different existing forms. Less attention is paid to the mechanism of CWD carbon pool on soil carbon pool and vegetation carbon pool, as well as the response and feedback mechanism to future climate change. The CWD carbon measurement method is relatively simple, and the traditional biomass-carbon concentration method is commonly used, while there are few studies using machine learning algorithms to estimate CWD carbon storage. In addition, compared with foreign research, domestic research is mainly limited to a small scale. Accordingly, the future development direction of CWD carbon storage research is proposed as follows:(1) Expanding the research scale and establishing a long-term observation system of CWD carbon storage; (2) Further research on the response mechanism of CWD carbon storage in different forest ecosystems to climate change; (3) Exploring more diversified CWD carbon storage measurement methods; and (4) Further discussion of the influence and mechanism of CWD carbon storage on soil carbon storage and vegetation carbon storage." @default.
- W4206242273 created "2022-01-25" @default.
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- W4206242273 date "2021-01-01" @default.
- W4206242273 modified "2023-10-01" @default.
- W4206242273 title "Research progress on carbon storage of coarse woody debris in forest ecosystems" @default.
- W4206242273 doi "https://doi.org/10.5846/stxb202012293309" @default.
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