Characteristics and dynamics analysis of populus euphratica populations in the middle reaches of tarim river
文献类型:期刊论文
作者 | Wu, JunXia1,2; Zhang, XiMing1; Deng, ChaoZhou1,2; Liu, GuoJun1,2; Li, Hong3 |
刊名 | Journal of arid land
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出版日期 | 2010-12-01 |
卷号 | 2期号:4页码:250-256 |
关键词 | Populus euphratica Population Static life table Survivorship curve Survival analysis Development index Time sequence |
ISSN号 | 1674-6767 |
DOI | 10.3724/sp.j.1227.2010.00250 |
通讯作者 | Zhang, ximing(zhxm@ms.xjb.ac.cn) |
英文摘要 | Populus euphratica oliv. is widely distributed along the tarim river. maintaining stability of p euphratica population is important to local development. this study explored the static life table, survivorship curves and four function curves (survival rate, cumulative mortality rate, mortality density, and hazard rate), and development index of p euphratica population in the middle reaches of tarim river. the results indicated that the age structure of p euphratica population belonged to positive pyramidal type, which meant young age-class individuals occupied most populations. the number of i - ii age classes accounted for 66.2% of whole population, and this indicated that there were abundant subsequent seedlings resources to support the growth of p euphratica population in the middle reaches of tarim river. the survivorship curve of p euphratica belonged to the deevey iii (concave-type) and the development index was 47.72%. four function curves revealed that the individuals of p euphratica sharply decreased at the initial stage and then leveled off at the late stage of survival curve. time sequence prediction models predicted that the number of midlife individuals would increase in future 10, 20, 30 years, and p euphratica population grew steadily as a result of rich saplings. |
WOS关键词 | AGE STRUCTURE ; FORESTS ; PATTERN ; OREGON ; RANGE |
WOS研究方向 | Environmental Sciences & Ecology |
WOS类目 | Environmental Sciences |
语种 | 英语 |
WOS记录号 | WOS:000293495900003 |
出版者 | SCIENCE PRESS |
URI标识 | http://www.irgrid.ac.cn/handle/1471x/2409619 |
专题 | 中国科学院大学 |
通讯作者 | Zhang, XiMing |
作者单位 | 1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.Xinjiang Acad Forestry, Urumqi 830000, Peoples R China |
推荐引用方式 GB/T 7714 | Wu, JunXia,Zhang, XiMing,Deng, ChaoZhou,et al. Characteristics and dynamics analysis of populus euphratica populations in the middle reaches of tarim river[J]. Journal of arid land,2010,2(4):250-256. |
APA | Wu, JunXia,Zhang, XiMing,Deng, ChaoZhou,Liu, GuoJun,&Li, Hong.(2010).Characteristics and dynamics analysis of populus euphratica populations in the middle reaches of tarim river.Journal of arid land,2(4),250-256. |
MLA | Wu, JunXia,et al."Characteristics and dynamics analysis of populus euphratica populations in the middle reaches of tarim river".Journal of arid land 2.4(2010):250-256. |
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来源:中国科学院大学
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