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[1]廖 峰 郑江坤** 赵廷宁 史常青 郎登潇 王文武 付滟 任雨之.柏木次生林震后滑坡迹地物种多样性变化特征*[J].应用与环境生物学报,2018,24(06):1-11.[doi:10.19675/j.cnki.1006-687x.2017.12046]
 LIAO Feng,ZHENG Jiangkun**,ZHAO Tingning,et al.Species Diversity Variation of Cupressus?funebris Secondary Forest in Landslide Site after 5.12 Wenchuan Earthquake*[J].Chinese Journal of Applied & Environmental Biology,2018,24(06):1-11.[doi:10.19675/j.cnki.1006-687x.2017.12046]
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柏木次生林震后滑坡迹地物种多样性变化特征*()
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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:
1-11
栏目:
研究论文
出版日期:
2018-12-25

文章信息/Info

Title:
Species Diversity Variation of Cupressus?funebris Secondary Forest in Landslide Site after 5.12 Wenchuan Earthquake*
文章编号:
201712046
作者:
廖 峰 郑江坤1** 赵廷宁2 史常青2 郎登潇1 王文武1 付滟1 任雨之1
1四川农业大学林学院,水土保持与荒漠化防治四川省高校重点实验室 成都 611130
2北京林业大学水土保持学院 北京 100086
Author(s):
LIAO Feng1ZHENG Jiangkun1**ZHAO Tingning2SHI Changqing2LANG Dengxiao1FU Yan1&REN Yuzhi1
1 Key Laboratory of soil and water conservation and desertification combating of colleges and universities, college of forestry, Sichuan Agricultural University, Chengdu 611130, China?
2 College of Soil and Water Conservation, Beijing Forestry University, Beijing 100086, China
关键词:
汶川地震滑坡植被恢复重要值物种多样性
Keywords:
Wenchuan earthquake landslide vegetation restoration importance value Species diversity
DOI:
10.19675/j.cnki.1006-687x.2017.12046
摘要:
为探讨地质灾害作用下物种多样性的变化特征,以北川县擂鼓镇凤凰山柏木次生林为对象,采用样地调查法对震后滑坡迹地物种组成及多样性进行了研究。结果表明:滑坡区共记录植物93种,隶属42科78属,以菊科、豆科、禾本科为主,过渡区共记录植物97种,隶属39科80属,以菊科、禾本科、蔷薇科为主,未滑坡区共记录植物108种,隶属59科92属,以菊科、蔷薇科、禾本科为主,菊科、禾本科在震后滑坡迹地恢复过程中占据重要地位;草本层中未滑坡区Pielou均匀度指数(Jsw值)最高,Shannon-Wiener多样性指数(H值)和Simpson优势度指数(H’ 值)居中,丰富度指数(D值)最低,灌木层中未滑坡区D值、H值和H’ 值最高,Jsw 值最低,过渡区的物种多样性指数均高于滑坡区;乔木层中D值和H值表现为滑坡区最高,过渡区最低, H’ 值和Jsw值表现为过渡区最高,未滑坡区最低。植被分布大体上与表层土壤养分的空间分布规律保持一致,滑坡区群落演替较慢且处于初级阶段,马桑、雀儿舌头、矛叶荩草为先锋树种,可改良土壤,稳定坡面,再适当增植乔木可有效恢复植被、提升植物群落稳定性。(图2 表6 参33)
Abstract:
This article selects the typical landslide surface of Fenghuang Mountain, Leigu Town, Beichuan County, which was derived from the 5.12 Wenchuan earthquake. To explore characteristics of species diversity in Cupressus?funebris secondary forest under the effect of geological hazard. The results showed that 93 species belonged to 42 families and 78 genera were found in landslide area whose families were mainly Compositae, Leguminosae, Gramineae-based. 97 species in transition area belonged to 39 families and 80 genera, and main families were Compositae,Gramineae, Rosaceae -based. 108 species were recorded in non-landslide area which belonged to 59 families and 92 genera, whose families were mainly Compositae,Rosaceae and Gramineae -based. Compositae and Gramineae played important roles in the landslide recovery process after earthquake. The Pielou index(Jsw) was the highest in non-landslide area of the herb layer, while the richness index(D) was the lowest, while the Shannon-Wiener index(H) and Simpson index(H’) were in the middle. In the non-landslide area, the D, H and H’ were the highest in the shrub layer, while the Jsw was the lowest. Meanwhile, the species diversity index of the transitional area was higher than that of the landslide area. In the tree layer, the D and H were both the highest and the lowest in the landslide area and the transition area, respectively. Whereas, the H’ and Jsw were both the highest in the transition area and the lowest in the non-landslide area;The distribution of vegetation is generally consistent with the distribution of soil nutrients in the spatial distribution of surface soil nutrients. The succession of trees in the landslide area was relatively slow and in the initial stage, and the pioneer species were Coriaria?nepalensis, Leptopus?chinensis, Arthraxon?lanceolatus in this area. On the whole, the stability of the plant community can be improved by improving the soil and stabilizing the slope.

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备注/Memo

备注/Memo:
收稿日期: 2017-12-22 接受日期: 2018-01-22
*国家自然科学基金项目(41601028)、中国博士后科学基金面上项目(2012M511938)资助?
**通讯作者(E-mail:jiangkunzheng@126.com)
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更新日期/Last Update: 2018-06-05