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DOI10.1016/j.foreco.2020.118665
Rubber-leguminous shrub systems stimulate soil N2O but reduce CO2 and CH4 emissions
Rao X.; Liu C.-A.; Tang J.-W.; Nie Y.; Liang M.-Y.; Shen W.-J.; Siddique K.H.M.
发表日期2021
ISSN0378-1127
卷号480
英文摘要Rubber plantations represent 13 million hectares in the world. Many researchers have focused on the environmental sustainability of rubber plantations, with rubber-legume systems better approach for ameliorating soil environments. This study investigated the effect of introducing Flemingia macrophylla (a leguminous shrub) to different-aged rubber plantations on the emissions of CO2, N2O, and CH4. As trees aged in the rubber plantations, the annual emissions of CO2, N2O, and CH4 significantly decreased. The introduction of F. macrophylla to different-aged rubber plantations significantly decreased CO2 and CH4 flux but increased N2O flux. The CO2 and N2O fluxes were mainly affected by soil temperature at 10 cm depth, and CH4 flux was mainly affected by both soil water content in the 0–10 cm soil layer and soil temperature at 10 cm depth. Compared to the same-aged rubber plantations, annual total CO2 flux of young and mature rubber–F. macrophylla plantations decreased 154,000 and 64000 kg ha−1, CH4 flux decreased 0.50 and 0.78 kg ha−1 (17.0 and 26.5 kg CO2 eq ha−1), and N2O flux increased 0.15 and 0.55 kg ha−1 (44.7 and 163.9 kg CO2 eq ha−1), respectively. The rubber-leguminous shrub systems significantly improved soil organic carbon sequestration rate, relative to the same aged rubber plantations. In conclusion, the emissions of CO2, N2O and CH4 decreased as the trees aged in the rubber plantations, and rubber-leguminous shrub systems could mitigate local climate warming by reducing reduce greenhouse gas emissions and improving soil organic sequestration rate. © 2020 Elsevier B.V.
英文关键词Carbon dioxide; Greenhouse gases; Methane; Nitrous oxide; Rubber; Xishuangbanna
语种英语
scopus关键词Carbon dioxide; Forestry; Gas emissions; Greenhouse gases; Organic carbon; Rubber; Soil moisture; Sustainable development; Temperature; CO2 fluxes; Environmental sustainability; Local climate; Soil environment; Soil layer; Soil organic carbon sequestration; Soil temperature; Soil water content; Rubber plantations; carbon dioxide; carbon emission; carbon sequestration; greenhouse gas; methane; nitrous oxide; radiocarbon dating; rubber; shrub; soil ecosystem; soil temperature; soil water; soil-vegetation interaction; Carbon Dioxide; Forestry; Greenhouse Gases; Plantations; Rubber; Systems; Temperature; Flemingia macrophylla
来源期刊Forest Ecology and Management
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/154846
作者单位CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun Town, Mengla CountyYunnan Province 666303, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, MenglaYunnan 666303, China; Center for Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Xishuangbanna, 666303, China; Center for Ecological and Environmental Sciences, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6009, Australia
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GB/T 7714
Rao X.,Liu C.-A.,Tang J.-W.,et al. Rubber-leguminous shrub systems stimulate soil N2O but reduce CO2 and CH4 emissions[J],2021,480.
APA Rao X..,Liu C.-A..,Tang J.-W..,Nie Y..,Liang M.-Y..,...&Siddique K.H.M..(2021).Rubber-leguminous shrub systems stimulate soil N2O but reduce CO2 and CH4 emissions.Forest Ecology and Management,480.
MLA Rao X.,et al."Rubber-leguminous shrub systems stimulate soil N2O but reduce CO2 and CH4 emissions".Forest Ecology and Management 480(2021).
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