Understorey fine root mass and morphology in the litter and upper soil layers of three Chinese subtropical forests
文献类型：期刊论文
| 作者 | Wang, W; Wu, XG; Hu, K; Liu, JC; Tao, JP; Tao, JP (reprint author), Southwest Univ, Key Lab Ecoenvironm Three Gorges Reservoir Reg, Chongqing Key Lab Plant Ecol & Resources Res Thre, Minist Educ,Sch Life Sci, Chongqing 400715, Peoples R China. |
| 刊名 | PLANT AND SOIL
 |
| 出版日期 | 2016 |
| 卷号 | 406期号:42737页码:219-230 |
| 关键词 | Fine Root Mass Rootmorphology Litter Layer Understorey Subtropical Forests |
| DOI | 10.1007/s11104-016-2878-1 |
| 产权排序 | 3 |
| 文献子类 | Article |
| 英文摘要 | To quantitatively assess how fine root biomass and necromass of understorey species vary in the litter and upper mineral soil layers. The method combines in situ sampling of the litter layer with sequential coring during the root growth stage in three Chinese subtropical forests: coniferous forest, coniferous and broad-leaved mixed forest, and evergreen broad-leaved forest. Approximately 67-74 % of the total fine root mass occurred in the layer of decomposing litter (L2) and that of the top 7.5 cm of the soil (M1). Layer L2 was the preferential horizon for fine root growth, and the thickness of this horizon strongly affected the vertical fine root pattern. In addition, the fine root mass was positively correlated with total N concentration in layers L2 and M1. For all three forest types, most fine roots had diameters < 1 mm and clear decreasing trends in specific (mass-based) root length and tip number were observed from the litter layer to the soil and the N concentration of live roots also decreased with depth. Understorey roots show a soil exploitation pattern through which absorptive fine roots are arranged to maximize nutrient acquisition from the litter and upper soil layers and to avoid belowground competition with trees, especially in species-rich forests. |
| 学科主题 | Agriculture ; Plant Sciences |
| 语种 | 英语 |
| 资助机构 | Natural Science Foundation of Chongqing [cstc2013jcyjA20019] ; Natural Science Foundation of Chongqing [cstc2013jcyjA20019] ; Natural Science Foundation of Chongqing [cstc2013jcyjA20019] ; Natural Science Foundation of Chongqing [cstc2013jcyjA20019] |
| 源URL | [http://210.75.237.14/handle/351003/28111]  |
| 专题 | 成都生物研究所_生态研究 |
| 通讯作者 | Tao, JP (reprint author), Southwest Univ, Key Lab Ecoenvironm Three Gorges Reservoir Reg, Chongqing Key Lab Plant Ecol & Resources Res Thre, Minist Educ,Sch Life Sci, Chongqing 400715, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Wang, W,Wu, XG,Hu, K,et al. Understorey fine root mass and morphology in the litter and upper soil layers of three Chinese subtropical forests[J]. PLANT AND SOIL,2016,406(42737):219-230. |
| APA | Wang, W,Wu, XG,Hu, K,Liu, JC,Tao, JP,&Tao, JP .(2016).Understorey fine root mass and morphology in the litter and upper soil layers of three Chinese subtropical forests.PLANT AND SOIL,406(42737),219-230. |
| MLA | Wang, W,et al."Understorey fine root mass and morphology in the litter and upper soil layers of three Chinese subtropical forests".PLANT AND SOIL 406.42737(2016):219-230. |
入库方式： OAI收割
来源：成都生物研究所
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