Allocation of vegetation biomass across a climate-related gradient in the grasslands of Inner Mongolia
文献类型：SCI/SSCI论文
| 作者 | Fan J. W. ; Wang K. ; Harris W. ; Zhong H. P. ; Hu Z. M. ; Han B. ; Zhang W. Y. ; Wang J. B. |
| 发表日期 | 2009 |
| 关键词 | Biomass allocation Grassland transect Precipitation gradient Temperature gradient leymus-chinensis poaceae china transect nect root biomass primary productivity ponderosa pine use efficiency net primary plants dynamics ecosystems |
| 英文摘要 | Biomass was measured at 48 undefoliated grassland sites on a 1900-km transect in Inner Mongolia. Above-ground biomass was separated into leaf, stern, flower and fruit, and dead matter, and into the five dominant species at each site. Below-ground biomass was measured to a depth of 30 cm and separated into 10-cm layers. Changes of these biomass components and their ratios were examined in relation to gradients of temperature and precipitation, and to the classification of the sites into five grassland types. Total biomass decreased markedly as site mean annual temperature increased and to a smaller extent as mean annual precipitation decreased. Averaged over all sites 92% of biomass was below ground. The proportion of below-ground biomass increased as temperature decreased, and was least and distributed more deeply in desert grassland. As aridity of the grassland types increased, the proportion of biomass in the first dominant species and in stem relative to leaf tissue increased. The biomass measurements provide baseline data required for monitoring sustainable use of Inner Mongolia grassland for livestock production and its storage of carbon. |
| 出处 | Journal of Arid Environments |
| 卷 | 73 |
| 期 | 4-5 |
| 页 | 521-528 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 0140-1963 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/24079]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Fan J. W.,Wang K.,Harris W.,et al. Allocation of vegetation biomass across a climate-related gradient in the grasslands of Inner Mongolia. 2009. |
入库方式： OAI收割
来源：地理科学与资源研究所
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