[1]李宁宁,张光辉*,王 浩,等.黄土丘陵沟壑区浅层滑坡堆积体植被演替特征及土壤养分响应[J].山地学报,2018,(05):669-678.[doi:10.16089/j.cnki.1008-2786.000363]
 LI Ningning,ZHANG Guanghui*,WANG Hao,et al.Properties of Vegetation Succession on Shallow Landslide Deposits in Loess Hilly and Gully Region and the Related Response of Soil Nutrient[J].Mountain Research,2018,(05):669-678.[doi:10.16089/j.cnki.1008-2786.000363]
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黄土丘陵沟壑区浅层滑坡堆积体植被演替特征及土壤养分响应()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2018年05期
页码:
669-678
栏目:
山地环境
出版日期:
2018-11-30

文章信息/Info

Title:
Properties of Vegetation Succession on Shallow Landslide Deposits in Loess Hilly and Gully Region and the Related Response of Soil Nutrient
文章编号:
1008-2786-(2018)5-669-10
作者:
李宁宁1张光辉12* 王 浩1张宝军3杨寒月1
1.北京师范大学 地理科学学部,北京100875; 2.北京师范大学 地表过程与资源生态国家重点实验室,北京100875; 3.中国科学院 水利部 水土保持研究所,陕西 杨凌,712100
Author(s):
LI Ningning1 ZHANG Guanghui12* WANG Hao1 ZHANG Baojun3 YANG Hanyue1
1.Faculty of Geographical Science, Beijing Normal University, Beijing 100875 China; 2.State Key Laboratory of Earth Surface Process and Resource Ecology, Beijing Normal University,Beijing, 100875 China; 3.Institute of Soil and Water Conservation, Chines
关键词:
黄土丘陵沟壑区 浅层滑坡堆积体 植被演替特征 土壤养分
分类号:
S158
DOI:
10.16089/j.cnki.1008-2786.000363
文献标志码:
A
摘要:
为了明确黄土丘陵沟壑区浅层滑坡堆积体植被演替特征及其对土壤养分的影响,本文选取了6个演替年限依次增加的植物群落(猪毛蒿+茭蒿、野菊花+早熟禾、杠柳+猪毛蒿、铁杆蒿+达乌里胡枝子+早熟禾、铁杆蒿+早熟禾和铁杆蒿+达乌里胡枝子),以立地条件类似且未发生滑坡坡面上铁杆蒿群落为对照,通过野外调查和室内试验,研究了物种多样性、植被盖度、地上地下生物量、枯落物蓄积量及土壤养分指标有机质、全氮、全磷含量的变化特征,并对植被特征和土壤养分指标进行相关性分析。结果表明:(1)随着演替年限的增加,Simpson优势度指数D和Margalef丰富度指数Ma呈减小-增加-减小的趋势,Shannon-wiener多样性指数H'和Pielou均匀度指数Jp呈增大-减小-增大的趋势; 植被盖度、地上地下生物量、枯落物蓄积量、土壤有机质和全氮含量均呈增加趋势;(2)与对照组相比,演替初期植被盖度差异显著(P<0.05),地上生物量和枯落物蓄积量无明显差异(P>0.05),地下生物量差异极其显著(P<0.001);(3)表层土壤全氮、有机质含量与植物盖度、地上地下生物量和枯落物蓄积量均呈正相关,全磷含量仅与枯落物蓄积量呈正相关。研究结果深化了黄土丘陵沟壑区植被演替规律及土壤养分对植被恢复响应的认识,为该区浅层滑坡堆积体的治理与生态恢复提供理论指导。

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相似文献/References:

[1]唐政洪,蔡强国,陈宁,等.黄土丘陵沟壑区小流域不同地类的侵蚀产沙模型[J].山地学报,2001,(02):120.
[2]陈晓安,蔡强国,张利超,等.黄土丘陵沟壑区坡面土壤侵蚀的临界坡度[J].山地学报,2010,(04):415.

备注/Memo

备注/Memo:
收稿日期(Received date):2018-3-29; 改回日期(Accepted date):2018-6-21
基金项目(Foundation item):“十三五”国家重大研发计划(2017YFC0504702); 国家自然科学基金重点项目( 41530858); 国家自然科学基金创新研究群体项目( 41621061)。 [National Key R & D Program of China(2017YFC0504702); State Key Program of National Natural Science Foundation of China(41530858); Fund for Creative Research Groups of the National Natural Science Foundation of China(41621061)]
作者简介(Biography):李宁宁(1995-),女,甘肃武威人,硕士研究生,主要研究方向:土壤侵蚀。[LI Ningning( 1995-), female, born in Wuwei, Gansu province, M.Sc.candidate, research on soil erosion]E-mail: 201721170008@mail.bnu.edu.cn
*通讯作者(Corresponding author):张光辉(1969-),男,甘肃静宁人,博士,教授,主要研究方向:土壤侵蚀与水土保持。[ZHANG Guanghui(1969-), male, born in Jingning, Gansu province, professor, research on soil erosion and water and soil conservation]E-mail: ghzhang@bnu.edu.cn
更新日期/Last Update: 2018-11-30