Initial soil responses to experimental warming in two contrasting forest ecosystems, eastern tibetan plateau, china: nutrient availabilities, microbial properties and enzyme activities
文献类型：期刊论文
| 作者 | Xu, Zhen-feng1,2; Hu, Rong1; Xiong, Pei1; Wan, Chuan1; Cao, Gang1; Liu, Qing1 |
| 刊名 | Applied soil ecology
 |
| 出版日期 | 2010-10-01 |
| 卷号 | 46期号:2页码:291-299 |
| 关键词 | Experimental warming Microbial biomass Dissolved organic matter Soil enzyme Extractable nitrogen Eastern tibetan plateau Coniferous forest |
| ISSN号 | 0929-1393 |
| DOI | 10.1016/j.apsoil.2010.07.005 |
| 通讯作者 | Liu, qing(liuqing@cib.ac.cn) |
| 英文摘要 | In order to understand the effects of projected global warming on soils in different land-use types, we compared the impacts of warming on soils in two contrasting forest ecosystems (a dragon spruce plantation and a natural forest) using the open-top chamber (otc) method in the eastern tibetan plateau of china. the otc on average enhanced daily mean soil temperatures by 0.61 degrees c (plantation) and by 0.55 degrees c (natural forest) throughout the growing season, respectively. conversely, soil volumetric moisture declined by 4.10% in the plantation and by 2.55% in the natural forest, respectively. warming did not affect dissolved organic c (doc) and n (don) in the plantation but significantly increased them in the natural forest. elevated temperature significantly increased net n mineralization rates and extractable inorganic n pools in both sites. warming had no effects on microbial biomass c (mbc) and n (mbn) and their ratios (mbc/mbn) in the plantation and significantly increased mbc and mbn only late in the growing season in the natural forest. warming did not affect basal respiration in the plantation but significantly increased it in the natural forest. no clear change was observed in metabolic quotient between warming regimes for both forest types. experimental warming tended to increase invertase and urease in both forest soils. measured pools related to n turnover generally showed significant interactions in warming, forest type and sampling date. taken together, our results indicate that responses of soils to experimental warming depend strongly on forest managements and seasons. (c) 2010 elsevier b.v. all rights reserved. |
| WOS关键词 | DISSOLVED ORGANIC-CARBON ; MEDITERRANEAN SHRUBLAND ; PLANT-GROWTH ; ANNUAL GRASSLAND ; TEMPERATURE ; FERTILIZATION ; RESPIRATION ; PHOSPHATASE ; DYNAMICS ; DROUGHT |
| WOS研究方向 | Agriculture |
| WOS类目 | Soil Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000283977500017 |
| 出版者 | ELSEVIER SCIENCE BV |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2408361 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Liu, Qing |
| 作者单位 | 1.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, Zhen-feng,Hu, Rong,Xiong, Pei,et al. Initial soil responses to experimental warming in two contrasting forest ecosystems, eastern tibetan plateau, china: nutrient availabilities, microbial properties and enzyme activities[J]. Applied soil ecology,2010,46(2):291-299. |
| APA | Xu, Zhen-feng,Hu, Rong,Xiong, Pei,Wan, Chuan,Cao, Gang,&Liu, Qing.(2010).Initial soil responses to experimental warming in two contrasting forest ecosystems, eastern tibetan plateau, china: nutrient availabilities, microbial properties and enzyme activities.Applied soil ecology,46(2),291-299. |
| MLA | Xu, Zhen-feng,et al."Initial soil responses to experimental warming in two contrasting forest ecosystems, eastern tibetan plateau, china: nutrient availabilities, microbial properties and enzyme activities".Applied soil ecology 46.2(2010):291-299. |
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来源：中国科学院大学
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