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[1]吴建召 陈爱民 崔 羽 罗清虎 孙 凡 严思维 林勇明** 王道杰 吴承祯.干热河谷常见植物地表形态特征与泥沙拦截的关系*[J].应用与环境生物学报,2018,24(06):1-14.[doi:10.19675/j.cnki.1006-687x.2018.01024]
 WU Jianzhao,CHEN Aimin,CUI Yu,et al.The relationship between near-surface morphological traits of familiar plants of different growing periods and their ability for sediment retention in dry-hot valley *[J].Chinese Journal of Applied & Environmental Biology,2018,24(06):1-14.[doi:10.19675/j.cnki.1006-687x.2018.01024]
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干热河谷常见植物地表形态特征与泥沙拦截的关系*()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
24卷
期数:
2018年06期
页码:
1-14
栏目:
研究论文
出版日期:
2018-12-25

文章信息/Info

Title:
The relationship between near-surface morphological traits of familiar plants of different growing periods and their ability for sediment retention in dry-hot valley *
文章编号:
201801024
作者:
吴建召12 陈爱民12 崔 羽12 罗清虎12 孙 凡12 严思维12 林勇明12** 王道杰3 吴承祯24
1 福建农林大学林学院 福州 350002?
2 福建省高校森林生态系统过程与经营重点实验室 福州 350002?
3 中国科学院水利部成都山地灾害与环境研究所 成都 640001?
4 武夷学院生态与资源工程学院 南平 354300
Author(s):
WU Jianzhao12CHEN Aimin 12CUI Yu12LUO Qinghu12SUN Fan12YAN Siwei12LIN Yongming12** WANG Daojie3&WU Chengzhen24
1 College of ForestryFujian Agriculture and Forestry University, Fuzhou 350002, China ?
2 Key Laboratory for Forest Ecosystem Process and Management of Fujian Province, Fuzhou 350002, China?
3 Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Conservancy, Chengdu 610041, China?
4 College of Ecology and Resources Engineering, Wuyi University, Nanping 354300, China
关键词:
干热河谷水槽试验泥沙拦截地表形态特征
Keywords:
dry-hot valley flume experiment sediment trapping near-surface morphological traits
DOI:
10.19675/j.cnki.1006-687x.2018.01024
摘要:
为探究植物的泥沙拦截能力及其与植物地表形态特征的关系,以金沙江干热河谷区6种典型植物(乔木:新银合欢(Leucaena leucocephala)、苦楝(Melia azedarach);灌木:坡柳(Dodonaea viscose)、马桑(Coriaria sinica);草本:扭黄茅(Heteropogon contortus)、拟金茅(Eulaliopsis binate))为研究对象,进行水槽模拟试验。结果表明:(1)在水槽模拟试验下,6种植物初生苗和1年生苗均表现出不同的泥沙拦截能力。在初生苗期,马桑的泥沙拦截能力最强,扭黄茅和拟金茅最弱;在1年生期,马桑仍为泥沙拦截能力最强的植物,草本植物次之,乔木和坡柳最弱。(2)6种植物在初生和1年生时均表现出不同的地表茎形态特征、地表叶片形态特征、基部拦截体形态特征以及地上部分生物量的变化。(3)泥沙拦截量与植物贴地叶面积、基部最大冠长、基部最大冠宽、整体地上部分生物量和基部茎干物质密度呈极显著正相关,与茎-地面夹角呈极显著负相关,以上参数为影响植物泥沙拦截能力的主要地表形态特征因子。此外,植物基部茎表皮裂隙数、基部茎干物质含量、贴地叶片干物质含量和基部单位体积生物量与泥沙拦截量也具有显著的相关性。本研究认为该地区在采用植物措施治理水土流失和拦截泥沙时,应重点考虑上述植物地表形态特征以选取最优的植物种类。(图3表7参35)
Abstract:
To explore the sediment interception capacity of plants and its relationship with the surface morphological traits of plants, b ased on lab simulation and out-site flume experiment, we studied the ability for sediment retention of six familiar species ( Leucaena leucocephala (LL), Melia azedarach (MA), Dodonaea viscose (DV), Coriaria sinica (CS), Heteropogon contortus (HC), and Eulaliopsis binate (EB)) at two growing periods in dry-hot river valley of Jinsha River . We analyzed the relationship between near-surface morphological traits of six species individuals and their ability for sediment retention . The study results showed that: (1) Three-month seedlings and one-year old seedlings of the six species had different ability for sediment retention in this flume experiment. In the three-month seedlings, the ability for sediment retention of CS was the highest, followed by MA and LL, and the lowest in HC and EB. However, in one-year old seedlings, the ability for sediment retention of CS was also the highest, but the ability for sediment retention of HC and EB were better than MA and LL. In different growing periods, the ability for sediment retention of the six species had different changes. (2) The three-month seedlings and one-year old seedlings of the six species all showed different near-surface morphological traits. (3) The sediment mass was significantly positively correlated with near-surface leaf area, crown length, crown width, stem dry matter density in the interception volume and above-ground biomass, but significantly negatively correlated with the angle between stem and ground, indicating that they are the main near-surface morphological traits factors affecting the ability for sediment retention. In addition, the sediment mass was also correlated (positively and negatively) with stem epidermal crack number, stem dry matter content, leaf dry matter content in the interception volume and dry mass per unit volume of the interception volume, which could also reflect the ability of sediment retention. This study believes that in the area where plant measures are used to control soil erosion and intercept sediment, the above-mentioned plant surface morphological traits should be taken into consideration to select the optimal plant species.

相似文献/References:

[1]张信宝,陈玉德.云南元谋干热河谷区不同岩土类型荒山植被恢复研究[J].应用与环境生物学报,1997,3(01):13.
 Zhang Xinbao,Chen Yude.STUDY ON VEGETATION REHABILITATION ON THE SLOPES OF THE ARID AND HOT VALLEYS IN YUANMOU, YUNNAN[J].Chinese Journal of Applied & Environmental Biology,1997,3(06):13.
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备注/Memo

备注/Memo:
收稿日期: 2018-01-19 接受日期: 2018-03-08
*国家自然科学基金项目(41790434)、福建农林大学杰出青年科研人才计划项目(xjq201716)、福建农林大学科技创新专项基金项目(CXZX2016058和CXZX2017111)资助
**通讯作者(E-mail: monkey1422@163.com)
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更新日期/Last Update: 2018-07-12