Please wait a minute...
img

Wechat

Adv search
JOURNAL OF DESERT RESEARCH  2009, Vol. 29 Issue (5): 897-904    DOI:
生物土壤与生态     
Population Structure and Spatial Distribution Pattern of Populus euphratica in Degradation Regions of Desert Riparian Forest
LI Ji-mei1,2, XU Hai-liang1,3, ZHANG Qing-qing1,2, YANG Hong-mei 1,2 , NIU Jun-yong1,2,
ZHAO Xin-feng1,2, Kuerban·Keyimu4
1.Xinjiang Institute of Ecology and Geography Research, Chinese Academy of Sciences, Urumqi 830011, China; 2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 3.Key Laboratory of Oasis Ecology and Desert Environment of Chinese Academy of Sciences, Urumqi 830011, China; 4.Tarim River Basin Management Bureau, Kurle 841000, Xinjiang, China
Download:  PDF (1967KB) 
Export:  BibTeX | EndNote (RIS)      
Abstract  The study on population structure and spatial distribution pattern of P. euphratica was conducted in degradation regions of desert riparian forest at lower reaches of Tarim River, Xinjiang. The results showed that the population density followes a tendency of decreasing with the degradation level, with the greatest decease at the level from heavy degradation region to extremely degradation region. Meanwhile the number of accompanying species in the P. euphratica plot decreases with the increasing level of degradation. The distribution of the P. euphratica population was uneven. There relatively lack seedlings and saplings, but middle tree and old tree are rich. Individual P. euphratica population formed different distribution patterns under different environment conditions. Along with the degradation level increasing, the number of seedling and sapling of the P. euphratica population decrease, but the number of the middle and old tree increase. The distribution pattern of the P. euphratica population was generally in cluster, and the aggregation intensity increased with the degradation level increasing. The distribution pattern of the seedlings and saplings shifted from cluster to random. It is groundwater depth other than the shallow water content of soil that influences the structure and distribution pattern of the P. euphratica population.
Key words:  desert riparian forests      Populus euphratica      population structure      spatial distribution pattern      groundwater depth      soil shalow water content     
Received:  10 April 2008      Published:  07 September 2009
ZTFLH:  Q948.5  

Cite this article: 

LI Ji-mei;XU Hai-liang;ZHANG Qing-qing;YANG Hong-mei;;NIU Jun-yong;ZHAO Xin-feng;Kuerban·Keyimu. Population Structure and Spatial Distribution Pattern of Populus euphratica in Degradation Regions of Desert Riparian Forest. JOURNAL OF DESERT RESEARCH, 2009, 29(5): 897-904.

URL: 

http://www.desert.ac.cn/EN/     OR     http://www.desert.ac.cn/EN/Y2009/V29/I5/897

[1]李昌龙,马瑞君,王继和,等.甘肃民勤连古城自然保护区优势种种群结构和动态研究[J].西北植物学报,2005,25(8):1628-1636.
[2]韩路,王海珍,周正立,等.塔里木河上、中游胡杨种群结构与统计分析[J].生态学报,2007,27(4):1315-1322.
[3]赖江山,张谧,谢宗强.三峡库区常绿阔叶林优势种群的结构和格局动态[J].生态学报,2006,26(4):1073-1079.
[4]王本洋,余世孝.种群分布格局的多尺度分析[J].植物生态学报,2005,29(2):235-241.
[5]宋萍,洪伟,吴承祯,等.珍稀濒危植物桫椤种群结构与动态研究[J].应用生态学报,2005,16(3):413-418.
[6]赵峰侠,尹林克.荒漠内陆河岸胡杨和多枝柽柳幼苗种群空间分布格局及种间关联性[J].生态学杂志,2007,26(7):972-977.
[7]武玉珍,张峰.山西桑干河流域湿地植被优势种群分布格局研究[J].植物研究,2006,26(6):735-741.
[8]周国英,陈桂琛,韩友吉,等.青海湖地区盐地凤毛菊群落优势种群分布格局研究[J].中国生态农业学报,2006,14(4):38-40.
[9]韩路,王海珍,周正立,等.塔里木荒漠胡杨群落特征的研究[J].干旱区资源与环境,2007,21(8):163-168.
[10]张继义,赵哈林.科尔沁沙地草地植被恢复演替进程中群落优势种群空间分布格局研究[J].生态学杂志,2004,23(2):1-6.
[11]张绘芳,李霞.塔里木河下游胡杨种群空间分布格局分析[J].西北植物学报,2006,26(10):2125-2130.
[12]张金屯.植物种群空间分布的点格局分析[J].植物生态学报,1998,22(4):344-349.
[13]赵哈林,苏永中,周瑞莲.我国北方沙区退化植被的恢复机理[J].中国沙漠,2006,26(3):323-328.
[14]高润宏,董智,张昊,等.额济纳绿洲胡杨林更新及群落生物多样性动态[J].生态学报,2005,25(5):1019-1025.
[15]徐海量,叶茂,宋郁东.塔里木河源流区气候变化和年径流量关系初探[J].地理科学,2007,27(2):219-224.
[16]徐海量,叶茂,李吉玫.塔里木河下游输水后地下水动态变化及天然植被的生态响应[J].自然科学进展,2007,17(4):460-470.
[17]高前兆,屈建军,王润,等.塔里木河下游绿色走廊生态输水对沙漠化逆转的影响[J].中国沙漠,2007,27(1):52-58.
[18]孙永强,王德忠,尹林克,等.塔里木河下游环境退化的因子分析[J].中国水土保持科学,2005,3(3):22-26.
[19]曲仲湘.植物生态学[M].北京:高等教育出版社,1982:102-118.
[20]茹文明,张桂萍,毕润成,等.濒危植物脱皮榆种群结构与分布格局研究[J].应用与环境生物学报,2007,13(1):14-17.
[21]张金屯.数量生态学[M].北京:科学出版社,2004:87.
[22]何恒斌,张惠娟,贾桂霞.磴口县沙冬青种群结构和空间分布格局的研究[J].林业科学,2006,42(10):13-18.
[23]黄志伟,陈桂琛,等.青海湖几种主要湿地植物的种群分布格局及动态[J].应用与环境生物学报,2001,7(2):113-116.
[24]陈亚宁,张小雷,祝向民,等.新疆塔里木河下游断流河道输水的生态效应分析[J].中国科学(D辑),2004,34(5):475-482.
[25]宋郁东,樊自立,雷志栋,等.中国塔里木河水资源与生态问题研究[M].乌鲁木齐:新疆人民出版社,2000:213.
[26]徐海量,陈亚宁,杨戈.塔里木河下游生态输水对植被和地下水位的影响[J].环境科学,2003,24(4):18-22.
[27]孙书存,刘照光.岷江上游刺旋花种群格局研究[J].应用与环境生物学报,1997,3(3):193-193.
[28]赵文智,刘鹄.荒漠区植被对地下水埋深响应研究进展[J].生态学报,2006,26(8):2702-2708.
[29]王继和,马全林,杨自辉,等.干旱区沙漠化土地逆转植被的时空格局及其机制研究[J].中国沙漠,2004,24(6):729-733.
[30]马龙,刘廷玺.科尔沁沙地植物生态型与地下水位及土壤水分的关系研究[J].中国沙漠,2007,27(3):391-396.
[31]赵振勇,王让会,张慧芝,等.塔里木河下游荒漠生态系统退化机制分析[J].中国沙漠,2006,26(2):220-225.
No Suggested Reading articles found!