Soil nutrients and water affect the age-related fine root biomass but not production in two plantation forests on the Loess Plateau, China

Chen Lili; Mu Xingmin; Yuan Zhiyou; Deng Qiang; Chen Yinglong; Yuan Lois Y.; Ryan Lock T.; Kallenbach Robert L.

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Soil nutrients and water affect the age-related fine root biomass but not production in two plantation forests on the Loess Plateau, China

机译：黄土高原上两个人工林的土壤养分和水分影响与年龄相关的细根生物量，但不影响产量

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Fine root production in forests heavily regulates belowground carbon allocation and nutrient cycling in terrestrial ecosystems. While the Grain for Green project substantially increased vegetation coverage on China's Loess Plateau, it remains unclear how this program altered fine root production in plantation forests. Here, we investigate fine root biomass, production, and turnover in relation to soil nutrient and water content in 10-, 25- and 40-year-old stands of coniferous (Pinus tabulaeformis) and broad-leafed (Robinia pseudoacacia) tree plantations on the Loess Plateau. Fine root biomass and production of P. tabulaeformis decreased with stand age, but fine root production of R. pseudoacacia increased with stand age. P. tabulaeformis had greater fine root biomass and production than R. pseudoacacia in only 10 and 25-year-old stands. Fine root biomass was more sensitive to soil water content in R. pseudoacacia than in P. tabulaeformis. Fine root turnover for both species was fastest in 10-year-old stands. Soil nitrogen was positively correlated to fine root biomass, but not fine root production. These results strongly support that fine root production and total biomass during vegetation recovery are not only species specific, but also reliant on adequate soil nutrients and water. (C) 2016 Elsevier Ltd. All rights reserved.

机译：森林中优良的根系生产极大地调节了陆地生态系统中地下碳的分配和养分循环。尽管“绿色换粮”项目大大增加了中国黄土高原的植被覆盖率，但仍不清楚该计划如何改变人工林细根的生产。在这里，我们调查了10、25和40岁的针叶树（Pinus tabulaeformis）和阔叶树（Robinia pseudoacacia）人工林的细根生物量，产量和周转率与土壤养分和水分的关系。黄土高原。油松的细根生物量和产量随林分龄而降低，而假阿拉伯金合欢的细根产量随林分龄而增加。在仅10岁和25岁的林分中，油松具有比拟金合欢更大的细根生物量和产量。细根生物量比拟油青冈对拟金合欢对土壤水分的敏感性更高。这两个物种的细根周转速度最快在10年的林分中。土壤氮与细根生物量呈正相关，但与细根产量无正相关。这些结果强烈支持植被恢复过程中优良的根系生产和总生物量不仅是物种特异性的，而且还依赖于充足的土壤养分和水。（C）2016 Elsevier Ltd.保留所有权利。

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来源
《Journal of arid environments》 |2016年第12期|173-180|共8页
作者
Chen Lili; Mu Xingmin; Yuan Zhiyou; Deng Qiang; Chen Yinglong; Yuan Lois Y.; Ryan Lock T.; Kallenbach Robert L.;
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作者单位

Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China|Univ Chinese Acad Sci, Beijing 100049, Peoples R China;

Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China|Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China;

Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China|Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China;

Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China|Univ Chinese Acad Sci, Beijing 100049, Peoples R China;

Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China|Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China;

Univ Toronto, Human Biol, 27 Kings Coll Circle, Toronto, ON M5S 1A1, Canada;

Univ Missouri, Div Plant Sci, 108 Waters Hall, Columbia, MO 65211 USA;

Univ Missouri, Div Plant Sci, 108 Waters Hall, Columbia, MO 65211 USA;

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收录信息美国《科学引文索引》(SCI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Fine roots; Pinus tabulaeformis; Production; Robinia pseudoacacia; Soil physicochemical properties; Stand age;

机译：细根;油松;生产;刺槐;土壤理化特性;年龄;

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1. Effects of soil physicochemical properties and stand age on fine root biomass and vertical distribution of plantation forests in the Loess Plateau of China [J] . Ruiying Chang, Bojie Fu, Guohua Liu, Ecological research . 2012,第4期

机译：黄土高原土壤理化性质和林分龄对人工林细根生物量和垂直分布的影响。
2. Relationship of soil erodibility, soil physical properties, and root biomass with the age of Caragana korshinskii Kom. plantations on the Hilly Loess Plateau, China. [J] . Li Qiang, Liu GuoBin, Xu MingXiang, Arid Land Research and Management . 2014,第3期

机译：土壤易蚀性，土壤物理性质和根系生物量与柠条锦鸡儿的年龄之间的关系。黄土丘陵区，中国的人工林。
3. Vertical distribution of fine roots in relation to soil factors in Pinus tabulaeformis Carr. forest of the Loess Plateau of China [J] . Zhengchao Zhou, Zhouping Shangguan Plant and Soil . 2007,第1a2期

机译：油松细根的垂直分布与土壤因子的关系黄土高原的森林
4. Soil Improvement of Seabuckthorn Plantations and Its Characteristics of the Roots in Loess Plateau [C] . Tu Xiaoning, An Baoli, Wen Xiufeng, International Soil Conservation Organization Conference vol.3; 20020526-31; Beijing(CN) . 2002

机译：黄土高原沙棘人工林的土壤改良及其根系特征。
5. Fine root dynamics for three distinct northern Ontario forests: A comparison of approaches used to estimate fine root biomass, productivity, and turnover. [D] . Pridoehl, Franc. 2010

机译：安大略省北部三种不同森林的细根动态：用于估算细根生物量，生产力和营业额的方法的比较。
6. Spatial Variation in the Storages and Age-Related Dynamics of Forest Carbon Sequestration in Different Climate Zones—Evidence from Black Locust Plantations on the Loess Plateau of China [O] . Taijun Li, Bowen Ren, Dahui Wang, -1

机译：不同气候带森林固碳的储量空间变化及其与年龄的动态关系-来自黄土高原黑刺槐人工林的证据
7. Effects of soil physicochemical properties and stand age on fine root biomass and vertical distribution of plantation forests in the Loess Plateau of China [O] . Chang Ruiying, Fu Bojie, Liu Guohua, 2012

机译：黄土高原土壤理化性质和林分龄对人工林细根生物量和垂直分布的影响。

Soil nutrients and water affect the age-related fine root biomass but not production in two plantation forests on the Loess Plateau, China

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