Impacts of Wenchuan Earthquake-induced landslides on soil physical properties and tree growth
文献类型：期刊论文
| 作者 | Cheng, Song2; Yang, Gang3,4; Yu, Hui3,4 ; Li, Jiyue5; Zhang, Li1
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| 刊名 | ECOLOGICAL INDICATORS
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| 出版日期 | 2012-04-01 |
| 卷号 | 15期号:1页码:263-270 |
| 关键词 | Landslides Plant organ water contents Soil physical properties Root parameters Wenchuan Earthquake |
| ISSN号 | 1470-160X |
| 通讯作者 | Zhang, Li |
| 英文摘要 | How earthquake-induced landslides impact the growth of existing trees remains unknown worldwide. Therefore, we established an experiment with two tree species (Cupressus funebris, Cryptomeria fortunei) and two landslide conditions (non-impacted and impacted stands) near the northern section of the fault belt one year after the Wenchuan Earthquake (8.0M(s)) that occurred in China in 2008. At site I. two plots of each species were located in non-impacted stands. At site II, three plots of Cu. funebris were established in non-impacted stands, and three plots were established in impacted stands. At site III, three plots of Cr. fortunei were placed in non-impacted stands, while two plots were placed in impacted stands. All plots were 20m x 20m in size. At each plot, we measured the diameter at breast height and the height of each tree and used their mean values to select five trees representing average growth. Two to three small fine roots (<= 2.0 mm in diameter, >20 cm long) were sampled in just three of the five selected trees to investigate root parameters. Leaf, branch and root water contents of the sampled trees were also examined. Soil samples were collected from 0 to 10, 10 to 20 and 20 to 40 cm depths at the center and near the four corners of each plot to analyze soil physical properties. The study revealed that saturated water content, capillary moisture capacity, field water capacity, total porosity and capillary porosity were lower in the impacted stands than in the non-impacted stands. Conversely, bulk density was higher in the impacted stands, indicating that the soils in the impacted stands had become compacted and dry. Soil water content, saturated water content, capillary moisture capacity, field water capacity, total porosity, capillary porosity and non-capillary porosity were greater in Cr. fortunei stands than in Cu. funebris stands, while bulk density was lower, indicating that impacted stands of Cu. funebris were more compacted and dry than those of Cr. fortunei. In impacted Cu. funebris stands, mean tip length/length and mean tip length/biomass decreased, while plant organ water contents did not change. In impacted Cr. fortunei stands, in contrast, these root parameters as well as specific root area, specific root length and leaf water content increased. These patterns suggest Cr. funebris experiences a much higher root growth than Cu. funebris in landslide impacted stands. Survival and recovery may be more difficult for Cu. funebris than for Cr. fortunei. (C) 2011 Elsevier Ltd. All rights reserved. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 类目[WOS] | Biodiversity Conservation ; Environmental Sciences |
| 研究领域[WOS] | Biodiversity & Conservation ; Environmental Sciences & Ecology |
| 关键词[WOS] | YELLOW BIRCH ; SUGAR MAPLE ; FOREST ; ROOTS ; STRATEGIES ; COMPACTION ; RESPONSES ; SEEDLINGS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000298129100031 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/9897]  |
| 专题 | 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 成都山地灾害与环境研究所_山区发展研究中心 |
| 作者单位 | 1.Ohio State Univ, Columbus, OH 43202 USA 2.GeCheng Global Ecotech Inc, Columbus, OH 43200 USA 3.CAS, IMHE, Chengdu 610041, Peoples R China 4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China 5.S China Agr Univ, Coll Forestry, Guangzhou 510642, Guangdong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cheng, Song,Yang, Gang,Yu, Hui,et al. Impacts of Wenchuan Earthquake-induced landslides on soil physical properties and tree growth[J]. ECOLOGICAL INDICATORS,2012,15(1):263-270. |
| APA | Cheng, Song,Yang, Gang,Yu, Hui,Li, Jiyue,&Zhang, Li.(2012).Impacts of Wenchuan Earthquake-induced landslides on soil physical properties and tree growth.ECOLOGICAL INDICATORS,15(1),263-270. |
| MLA | Cheng, Song,et al."Impacts of Wenchuan Earthquake-induced landslides on soil physical properties and tree growth".ECOLOGICAL INDICATORS 15.1(2012):263-270. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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