白龙江中游地震滑坡体植被初期的自然恢复能力——以陇南市武都区清水沟滑坡体为例
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
在野外样方调查的基础上,对陇南市武都区清水沟地震滑坡体上的植物群落组成以及物种多样性进行详细调查和统计分析。结果表明,1)研究区域内植被自然恢复以草本植物为主,有26种,占研究区植物总数的76.5%,灌木较少,有8种,无乔木分布,植物群落组成以草本和小灌木为主,其中优势种为狗牙根(Cynodon dactylon)、马唐(Digitaria sanguinalli)、黄茅(Heteropogon contortus)、芦苇(Phragmites australis)、骆驼蓬(Peganum harmala)等;2)由于环境因子的差异,不同立地条件植物群落物种组成、群落类型以及群落结构存在差异;3)不同立地条件的环境因子不同,特别是水热光照条件组合存在差异,导致不同立地条件下植物群落的自然恢复能力存在明显差异,其自然恢复能力和抗干扰能力指数大小表现为中坡位>下坡位>上坡位。
On the basis of field quadrat survey,a study was conducted on plant community composition and species diversity by the detailed investigation and statistical analysis in Qingshuigou earthquake landslide of Wudu District,Longnan City,Gansu Province.The results showed that: 1) There were 26 dominant species of herbs which occupied by 76.5% of the natural recovery vegetation in the study area,and there were 8 species of shrubs and no arbor species distribution,and herbs and small shrub plants were dominant in community composition,and the dominant species were Cynodon dactylon,Digitaria sanguinalli,Heteropogon contortus,Phragmites australis,Peganum harmala,etc.2) There were different in the composition of community species,community types and community structure of plants among various sites due to environmental factors; 3) It was especially different in the environmental factors of the hydrothermal and illumination combination at different sites,which caused the natural restoration ability of plant community exist obvious difference.It was that middle slope position>down slope position>up slope position in the sequences of natural restoration ability and anti-interference ability index.
引文
[1]杨涛,邓荣贵,刘小丽.四川地区地震崩塌滑坡的基本特征及危险性分区[J].山地学报,2002,20(4):456-460.
    [2]王来贵,章梦涛,王泳嘉,黄润秋.基岩振动干扰下的动力滑坡机制研究[J].工程地质学报,1997,5(2):137-142.
    [3]孔纪名,阿发友,吴文平.汶川地震滑坡类型及典型实例分析[J].水土保持学报,2009,23(6):66-70.
    [4]李树德.活动断层分段研究[J].北京大学学报(自然科学版),1999,35(6):32-34.
    [5]李树德,任秀生,岳升阳,徐海鹏.地震滑坡研究[J].水土保持研究,2001,8(2):24-25.
    [6]胡玉昆,李凯辉,阿德力·麦地,柳妍妍,范永刚,王鑫,高国刚.天山南坡高寒草地海拔梯度上的植物多样性变化格局[J].生态学杂志,2007,26(2):182-186.
    [7]王奎,岳方伟,朱力军.甘肃陇南市武都区小水沟泥石流治理防治工程[J].中国地质灾害与防治学报,2010(3):46-51.
    [8]张翔,王庆安,王文国,杨渺,佘红英,万鹏.汶川地震极重灾区植被恢复分区研究[J].中国水土保持,2010,4(5):48-51.
    [9]刘守江,张斌,杨清伟,胡翠华,舒成强.汶川地震非规范滑坡体上植被的自然恢复能力研究——以彭州银厂沟谢家店子滑坡体为例[J].山地学报,2010,28(3):373-378.
    [10]田佳,田涛,赵廷宁,高甲荣.微立地因子植被恢复法在汶川地震植被重建中的应用[J].中国水土保持科学,2008,6(5):16-20.
    [11]骆宗诗,陈永林,王志明,何飞,何建社,潘红丽.基于植物多样性指数对汶川地震灾区崩塌山体的微生境植被自然恢复力评价[J].四川林业科技,2013,34(6):52-55.
    [12]张继强,陈文业,康建军,吴三雄,袁海峰,王志广,陈徵尼.敦煌西湖盐化草甸芦苇群落特征及多样性沿水分梯度的分布格局[J].水土保持通报,2013,33(2):173-176.
    [13]焦菊英,马祥华,白文娟,焦峰,温仲明.黄土丘陵沟壑区退耕地植物群落与土壤环境因子的对应分析[J].土壤学报,2005,42(5):744-752.
    [14]张继强,陈文业,魏强,李广宇,王芳,康建军,邴丹珲,朱丽.玛曲高寒湿地植物群落特征及多样性分析[J].草业科学,2012,29(7):1153-1157.
    [15]班卫强,严成,尹林克,杨美琳,王忠臣.古尔班通古特沙漠南缘不同立地条件植物多样性和优势种群生态位特征研究[J].中国沙漠,2012,32(6):1632-1637.
    [16]Margalef R.Perspectives in Ecological Theory[M].Chicago:University of Chicago Press,1968.
    [17]Hill M O,Bunce R G H,Shaw M W.Indicator species analysis,a divisive polythetic method of classification,and its application to a suyvey of native pinewoods in Scotland[J].Journal of Ecology,1975,63:579-613.
    [18]宋成刚,张法伟,刘吉宏,孙建文,王建雷,李英年.青海湖东北岸草甸化草原植物群落特征及多样性分析[J].草业科学,2011,28(7):1352-1356.
    [19]王琼,辜再元,史春华,常智慧,韩烈保.废弃采石场植被自然恢复过程中物种多样性变化特征[J].环境科学研究,2009,22(11):1305-1311.
    [20]白文娟,焦菊英,马祥华,温仲明,焦峰.黄土丘陵沟壑区退耕地自然恢复植物群落的分类与排序[J].西北植物学报,2005,25(7):1317-1322.
    [21]Tilan D,Doeing J A.Biodiversity and stability in grasslands[J].Nature,1994,36(7):363-365.
    [22]Baskin Y.Ecosystem function of biodiversity[J].Bioscience,1994,44(10):657-660.
    [23]郭正刚,梁天刚,刘兴元,张洪江.新疆阿勒泰地区草地类型及植物多样性的研究[J].西北植物学报,2003,23(10):1719-1724.
    [24]阎桂琴,赵桂仿,胡正海.秦岭太白红杉群落特征及其物种多样性的研究[J].西北植物学报,2001,21(3):462-467.

版权所有:© 2023 中国地质图书馆 中国地质调查局地学文献中心