[1]宋于洋,赵自玉,杨振安,等.天山云杉种群数量动态研究[J].南京林业大学学报(自然科学版),2009,33(01):064-68.[doi:10.3969/j.jssn.1000-2006.2009.01.013]
 SONG Yu yang,ZHAO Zi yu,YANG Zhen an,et al.Population quantity and structure dynamics of plant population of Picea schrenkiana[J].Journal of Nanjing Forestry University(Natural Science Edition),2009,33(01):064-68.[doi:10.3969/j.jssn.1000-2006.2009.01.013]
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天山云杉种群数量动态研究
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
33
期数:
2009年01期
页码:
064-68
栏目:
研究论文
出版日期:
2009-01-30

文章信息/Info

Title:
Population quantity and structure dynamics of plant population of Picea schrenkiana
作者:
宋于洋1赵自玉2杨振安3张文辉3*
1.石河子大学农学院,新疆石河子832003;2.玛纳斯平原林场,新疆玛纳斯832206; 3.西北农林科技大学林学院,陕西杨凌712100
Author(s):
SONG Yuyang1 ZHAO Ziyu2YANG Zhenan3ZHANG Wenhui3*
1.College of Agriculture, Shihezi University, Shihezi 832003, China; 2.Flatland Forest Center of Manasi County, Manasi 832206, China;3.College of Forestry, Northwest SciTech University of Agriculture and Forestry, Yangling 712100, China
关键词:
天山云杉种群数量结构动态
Keywords:
Picea schrenkianapopulation quantitystructure dynamics
分类号:
S718
DOI:
10.3969/j.jssn.1000-2006.2009.01.013
文献标志码:
A
摘要:
选择了15个设在天山地区25m×25m的样地,通过样地调查和数据统计,研究了天山云杉(Picea schrenkiana)种群的年龄结构、静态生命表,运用时间序列预测模型分析了种群数量动态。种群年龄结构分析表明,种群的年龄结构呈倒J 型分布,个体数量主要集中在Ⅰ、Ⅱ龄级(个体数量比例占8270%),幼龄个体数量较多,中、老龄个体数量较少。种群生命表、亏损率曲线、存活曲线、死亡率曲线、生存函数曲线的分析表明:天山云杉有1个死亡高峰,出现在Ⅱ龄级的年龄阶段;存活曲线基本介于DeeveyⅡ和DeeveyⅢ型之间;引入生命表的几个函数能较好地说明种群的动态和结构变化。时间序列分析表明:在未来20、40、60、80、100、120和140年中,天山云杉种群幼龄级个体数量相对丰富,种群稳定。
Abstract:
Investigation and statistical analysis were conducted on 15 plots (25m×25m) of Picea schrenkiana, which were arranged on Tianshan Mountains. We studied their age structures and static life tables. The population dynamics were predicted using time sequence model. The analysis of age structure of P. schrenkiana populations showed that all populations were fluctuated in upside down “J” shapes, with most individuals (82.70%) concentrated in the 0—40 year age class. Young individuals were dramatically abundant. By contrast, there were few middle and old individuals. The analysis of life table, the curves of lose rate, survival rate, mortality rate and survival function of the population showed that the population had a peak of mortality at Ⅱ age class, and survival curve of the population was between DeeveyⅡand DeeveyⅢ. The functions used in static life table could explain the structure and dynamic of P. schrenkiana population well. Time sequence models predicted that young individuals would be relative rich, and population structure would be stable after 20,40,60,80,100,140 years in the future.

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备注/Memo

备注/Memo:
收稿日期:2008-01-08修回日期:2008-06-28 基金项目:新疆生产建设兵团重点公益林生物多样性保护及生态状况监测项目作者简介:宋于洋(1968—),副教授,博士。*张文辉(通讯作者),教授,研究方向为植物生态学及生物多样性。Email:zwhckh@163.com 引文格式:宋于洋,赵自玉,杨振安,等.天山云杉种群数量动态研究[J].南京林业大学学报:自然科学版,2009,33(1):6468.
更新日期/Last Update: 2009-05-06