Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1016/j.foreco.2018.08.001 |
Mycorrhizal associations differentiate soil respiration in five temperate monocultures in Northeast China | |
Wang, Xinqi; Wang, Chuankuan | |
2018-12-15 | |
发表期刊 | FOREST ECOLOGY AND MANAGEMENT |
ISSN | 0378-1127 |
EISSN | 1872-7042 |
出版年 | 2018 |
卷号 | 430页码:78-85 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Tree species associated with different mycorrhizal fungi play a crucial role in the carbon (C) cycling of forest ecosystems, while their effects on soil respiration (R-S) and the underlying mechanisms remain uncertain. In this study, we used a common garden experiment that included five monocultures (two arbuscular mycorrhizal - (AM) and three ectomycorrhizal-associated (ECM) temperate tree species) to explore the effects of mycorrhizal associations on the R-S and the driving factors. Our specific objectives were to (1) compare the R-S between the AM and ECM stands, and (2) explore the driving factors of the R-S. We found that the R-S in the AM stands was significantly greater (34.3%) than that in the ECM stands. The R-S was significantly and positively correlated with microbial biomass C (C-mic), fine roots biomass (B-root), or soil water content (W-5), but negatively with forest floor mass (F-mass) or soil dissolved organic C content (C-dis). The best-fitted models of R-S explained 46.3%, 38.3%, and 45.4% of the variations in the R-S for the AM stands, the ECM stands, and the combined dataset, respectively. However, the factors contributing to the R-S varied with mycorrhizal groups. The R-S of the AM stands was mainly influenced by C-mic, B-root, root C/N ratio, F-mass, and C-dis, whereas the R-S of the ECM stands was mainly affected by litter C/N ratio, C-dis, soil dissolved nitrogen content, soil temperature and W-5. These findings highlight the significance of shifts in AM or ECM tree abundance due to forest management and global change in forest C cycling. |
英文关键词 | Arbuscular mycorrhizae Ectomycorrhizae Tree species Soil CO2 flux Common garden Microbial biomass |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000449137300007 |
WOS关键词 | MICROBIAL BIOMASS ; FOREST SOILS ; AUTOTROPHIC COMPONENTS ; ARBUSCULAR MYCORRHIZAL ; ROOT RESPIRATION ; BOREAL FORESTS ; CARBON STOCKS ; COMMON GARDEN ; CO2 EFFLUX ; NITROGEN |
WOS类目 | Forestry |
WOS研究方向 | Forestry |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/23182 |
专题 | 气候变化 |
作者单位 | Northeast Forestry Univ, Ctr Ecol Res, 26 Hexing Rd, Harbin 150040, Heilongjiang, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, Xinqi,Wang, Chuankuan. Mycorrhizal associations differentiate soil respiration in five temperate monocultures in Northeast China[J]. FOREST ECOLOGY AND MANAGEMENT,2018,430:78-85. |
APA | Wang, Xinqi,&Wang, Chuankuan.(2018).Mycorrhizal associations differentiate soil respiration in five temperate monocultures in Northeast China.FOREST ECOLOGY AND MANAGEMENT,430,78-85. |
MLA | Wang, Xinqi,et al."Mycorrhizal associations differentiate soil respiration in five temperate monocultures in Northeast China".FOREST ECOLOGY AND MANAGEMENT 430(2018):78-85. |
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